The importance of a house’s roof to its longevity

In thinking of houses in light of both recent tornado activity in the Chicago area and reading the book The World Without Us, I was reminded of the importance of the roof for a building. Here is how author Alan Weisman puts it when discussing an abandoned home:

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The resin in your cost-conscious choice of a woodchip roof, a waterproof goo of formaldehyde and phenol polymer, was also applied along the board’s exposed edges, but it fails anyway because moisture enters around the nails. Soon they’re rusting, and their grip begins to loosen. That presently leads not only to interior leaks, but to structural mayhem. Besides underlying the roofing, the wooden sheathing secures trusses to each other. The trusses – premanufactured braces held together with metal connection plates – are there to keep the roof from splaying. But when the sheathing goes, structural integrity goes with it.

As gravity increases tension on the trusses, the 1/4-inch pins securing their now-rusting connector plates pull free from the wet wood, which now sports a fuzzy coating of greenish mold. Beneath the mold, threadlike filaments called hyphae are secreting enzymes that break cellulose and lingin down into fungi food. The same thing is happening to the floors inside. When the heat went off, pipes burst if you lived where it freezes, and rain is blowing in where windows have cracked from bird collisions and the stress of sagging walls. Even where the glass is still intact, rain and snow mysteriously, inexorably work their way under sills. As the wood continues to rot, trusses start to collapse against each other. Eventually the walls lean to one side, and finally the roof falls in. That bard roof with the 18-by-18-inch hole was likely gone inside of 10 years. Your house’s lasts maybe 50 years; 100, tops. (19)

The roof helps connect all of the walls and hold the house together and it also serves to keep the elements out from above. Once a hole begins and air, sun, rain, snow, and creatures can get in through the roof, it is just a matter of time before it all starts falling apart. Without a functioning roof, a house may not last long.

Granted, the scenario above discusses when homes are abandoned, an unlikely outcome in many communities. At the same time, this provides a reminder of the need to stay vigilant about roofs. For many homeowners, this is not an easy task: it might be hard to view all of the roof from the ground or from inside the house, accessing the roof might be difficult, and not everyone regularly looks at the underside of the roof depending on the layout of the home and the access.

So when people complain about the build quality of homes or McMansions, I wonder how much they consider the roof. If a mass produced McMansion truly is inferior in quality, would the roof go first or the siding or the walls or the foundation or something else? All could be problematic for the longevity of a home but the roof in particular presents important problems.

Who has returned to the Chicago highways after COVID-19 is a little different

As traffic returns to pre-pandemic levels across the United States, data from Chicago suggests the composition of vehicles has changed a bit:

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Travel times have already returned mostly to normal on Chicago’s expressways, according to the Illinois Department of Transportation. On the Eisenhower, it’s taking drivers an average of 40 minutes to get from Wolf Road to the Jane Byrne Interchange during morning rush hour, compared with 32 minutes in June 2019. Drivers taking the Kennedy from downtown to O’Hare International Airport in the afternoon spent about an hour on the road in both June 2019 and 2021.

Who’s on the road might be changing, though. Truck traffic is up, and more people are working remotely. Among those heading out, more people who were taking public transit before the pandemic seem to be driving, IDOT spokesman Guy Tridgell said.

On one hand, more people are working from home. On the other hand, another long-term change might be that those who used to take mass transit regularly will not go back to that for a long time or ever. What will it take for mass transit ridership to come back to pre-COVID-19 levels? When will people feel comfortable again on trains, buses, and subways? Multiple cities are trying to address this but, as I argued last week, mass transit is already is less preferable for many commuters even before COVID.

Imagine a post-COVID-19 traffic nightmare: trucks all over the place delivering goods as the economy continues to rebound. More cars on the roads because of fears about mass transit. People who were home for months and/or were used to less congestion on the road now stuck in worse traffic. Are there any good short and long-term solutions to addressing this while the mass transit efforts also continue?

Urbanism in board game form, 7 Wonders Duel edition

I am intrigued when the topics I study as a sociologist intersect with board games. Here is another example: the highly rated two person 7 Wonders Duel game includes a token that through science gains you can acquire called “urbanism”:

The way it works is that it immediately provides the player 6 coins and then each time they acquire a building for free, possible if you have already constructed a building linked to the proposed structure, they gain 4 additional coins. In short, you get more coins for constructing free buildings. Hence, urbanism as you are building your city faster.

There is little doubt that urbanism is one of the most important forces in human history. This is about the process of cities developing as well as a particular way of life that emerged in and around cities. Urbanism was important in multiple time periods. This includes the last two centuries as megacities developed around the globe concurrently with industrial, economic, and societal change. It is also the case in the last five or so millennia as population centers around the globe emerged. This is the period that 7 Wonders is covering as ancient wonders are constructed and denser permanent centers of political, religious, and economic life emerge. Most of these cities are not the size of cities today yet their permanence and way of life transformed human and societal fortunes.

In playing the game, having free buildings also contribute free coins is a helpful bonus. More buildings beget more buildings and wealth.

Increasing residential segregation in the Bay Area

A new report shows an increase in residential segregation in the Bay Area over recent decades:

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The Bay Area has become more racially segregated since 1990, mirroring a long-running national trend of cities and neighborhoods dividing more starkly along ethnic lines, according to a new study by UC Berkeley researchers.

Oakland, Fremont, San Francisco and San Jose are all among cities ranked as “highly segregated” by the university’s Othering & Belonging Institute…

Menendian said land use policies, including restrictions on denser housing and apartments, have driven segregation, particularly in the Bay Area. “It’s crystal clear that excessive restrictive zoning plays a significant role.”…

The impact of segregation, Berkeley researchers say, is clear: residents in communities of color have lower future economic gains, educational achievement and poorer health.

The full report includes a number of interesting sections.

In some ways, the Bay Area is seen as a success story. Exciting cities and and cultural opportunities. Proximity to Silicon Valley and the tech industry. Diversity. A striking setting. But, this report hints at a darker side of this success: an ongoing process of homogenization. Divisions by location based on race and class. Zoning that keeps uses and people separate.

Do the two trends – success and division – necessarily go together? One does not have to lead to the other or vice versa. The same project found high levels of residential segregation in cities in the Midwest and Northeast, places without the same level of success as the Bay Area in recent years.

One way to think about this is to look at how the region as a whole could address this. Individual municipalities could address particular topics – like affordable housing or zoning issues – but might only help so many people and push the problem into other communities. A region-wide approach would help think about how gains can be shared and how concerns can be addressed by all. Even the biggest cities cannot go it alone when they rely on nearby places for workers and amenities.

Another matter to think about as addressed in the final paragraph above: residential segregation has cascading effects that can last for a long time. Where people live affects many aspects of life, ranging from what jobs can be accessed, the quality of housing, what is available through local schools and other institutions, and more. This is not an issue of people choosing to live some places rather than others; residential segregation speaks to patterns that can become reified and can physically establish different social worlds.

Finally, I am reminded of the Emerson and Smiley book Market Cities, People Cities. Is the long-term goal of the region to put the economy first? Or, is there enough interest in promoting more people friendly policies? The reputation and history of the area suggests there are resources and collectives to move toward more people oriented policies. However, this is a difficult move for any American city as social, political, and economic forces push toward placing the economy first.

Getting people back to mass transit after COVID-19 – and a deck stacked against mass transit

Mass transit agencies across the United States are trying different strategies to try to get people back after COVID-19:

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Agencies in Boston, Cleveland, Las Vegas, the San Francisco Bay Area, and New Orleans are offering reduced fares or free rides, temporarily, to lure people back onto transit. Others are considering abolishing fares altogether. Los Angeles is exploring a 23-month pilot that would give students and low-income residents free rides. The Kansas City Area Transportation Authority scrapped fares in March 2020 and doesn’t plan to bring them back. “The return on investment for empathy, compassion, for social equity, far outweighs the return on investment for concrete and asphalt,” Robbie Makinen, the agency’s CEO, told Stateline last week.

Others are taking aim at an even more sacred cow: rush hour service…

Agencies are using the murky period of pandemic recovery to usher in schedule changes. In Los Angeles, officials for Metra, the local commuter rail, said this month they would test new schedules that “step away” from the pre-pandemic, rush hour norm, “in favor of a more balanced approach” that spaces trains more evenly throughout the day. In Boston, officials in April went ahead with pre-pandemic plans and began running more frequent commuter trains outside the schedules of the 9-to-5ers. It’s part of a bigger vision to transform the system into a more equitable regional rail network that serves more than the traditional office worker. Off-peak riders are more likely to be immigrants, women, people of color, and lower income. The pandemic, as the local advocacy group TransitMatters has observed, may have given the local agency the “political space” to make long-planned changes. There are fewer people now to complain that operators took away their specific train.

Just as the aftermath of COVID-19 offers an opportunity to think about housing, here is an opportunity to reconsider mass transit strategies. Why keep doing things the same old ways when the world has changed? If different cities and regions experiment with different tractics, they might find a few that work and that can be widely adopted.

At the same time, mass transit does not just face COVID-19 fallout. If given the choice, many Americans would prefer not to use mass transit. If needing to travel, they would prefer to drive unless this is really inconvenient. Driving offers more individual freedom to come and go and offers completely personal space (outside of seeing other drivers and passengers in nearby vehicles). American governments have spent a lot of money in the last century paying for roads and driving infrastructure while investments in mass transit have lagged or mass transit is often tied to driving (an emphasis on buses).

Additionally, if a post-COVID-19 world means that working from home is more of an option, more people simply will not need mass transit and/or will enjoy not having to use it. Mass transit could still be useful for going out but if it is not needed for work for as many people, this will mean losing a lot of regular riders.

More broadly, this gets at bigger questions in the United States about development, density, transportation, and thriving communities. An ongoing commitment to cars has consequences as would a shift toward a different kind of mass transit or constructing more dense places where mass transit makes more sense. If the best that can be done now is to prioritize transit-oriented development in denser pockets in urban areas, it will take a long time to swing trips toward mass transit compared to driving.

Looking toward the end of COVID-19 housing help

COVID-19 led to pauses on mortgage and rent payments and moratoriums on evictions. As deadlines for regulations near, several data sources suggest fewer owners and renters will be affected:

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The share of mortgage borrowers in forbearance programs fell below 4% as of June 8, the lowest level since the onset of the Covid-19 pandemic, according to Black Knight Inc., a company in Jacksonville, Fla., that provides data and software to mortgage lenders and servicers…

In August, Census projected that there were 1.7 million American adults living in households that weren’t current on their mortgage payments and who thought it was very or somewhat likely that they would lose their homes in the next two months. By just before Christmas that was up to 1.9 million. It fell to 1.2 million by March and was around 900,000 in the latest survey covering May 26 to June 7.

The trend is similar for renters. In August Census projected that there were 3.8 million American adults living in households that were behind on the rent and who thought it was very or somewhat likely that they would lose their homes in the next two months. Just before Christmas the total was 5.2 million. It dropped to 3 million in March. In the latest period it edged back up to 3.2 million.

This is still a large number of people and there are additional concerns:

That’s not to say all is well. Many people fall through the cracks. In an analysis of the latest Census data, the Center on Budget and Policy Priorities says that one in five renters in households with children were behind on the rent as of the May 26-June 7 survey. There are also disparities by race. While 10% of non-Latino White households were behind on the rent, 16% of Latino households and 24% of Black households were behind on the rent.

COVID-19 helped bring to the forefront the issue of housing facing many Americans. On one hand, someone could say that COVID-19 was such an unusual event that affected so many jobs. On the other hand, there are other social changes – think automation or the decline of major sectors in the economy – that could also affect the ability for many Americans to find and keep decent housing. Add to this the other oddities of the COVID-19 housing market, including those with resources could leave cities and the limited supply of housing, and there are numerous issues to consider.

More broadly, this offers an opportunity to discuss housing in the United States. Should people be afraid for their housing in a time of crisis? Where is more affordable housing going to come from? What should landlords, builders, and investors expect in times of economic trouble? Is housing itself a primary driver in the inequality in wealth and access to housing? How much should income be tied to the quality of housing?

These are not new questions but perhaps ones that are more pressing in light of current events. Of course, addressing housing at a national scale is not easy. Yet, the number of people still in a housing lurch in the coming months might help move the conversation on housing forward.

Would city residents rather live next to a 6,000 sq foot teardown McMansion or a fourplex?

With one proposal in San Francisco to tear down a 1,200 square foot older home and replace it with a 6,000 square foot home, the neighbors say they would rather have a fourplex in its place:

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The even crazier part? One super-rich family can live in 6,000 square feet, but the same-size box in Noe Valley and the majority of San Francisco could not include homes of 1,500 square feet apiece for four families. (This proposal would include an in-law unit, but the city doesn’t check whether they’re occupied, and it’s believed there are thousands of vacant units around the city.)…

“We would 100% support this if it was four families,” said Schwarz, who bought his own home in 2004.

So would his neighbor Steve Boeddeker, who said he’s irked developers are scooping up homes all over the neighborhood to turn them into McMansions and resell them for many millions…

The current rules for McMansions aren’t working. They’re allowed, though neighbors can file a discretionary review application, arguing there are “exceptional and extraordinary circumstances” that require more analysis. Five families have done that for the Noe Valley home, including Shannon Hughes and her husband, Schwarz.

This is an interesting case as San Francisco is often considered ground-zero for issues of overpriced housing, the need for affordable housing, and NIMBY responses to new development.

At least in public comment, few people would say they want to live next to a teardown McMansion. The extra-large size of the new home in comparison to the existing older homes plus the new and poorly regarded architectural design mean that plenty of neighbors do not like the new land use. The teardown is a threat to the existing character of the neighborhood.

At the same time, relatively few residents want to have a single-family neighborhood convert land into higher density residential units. Even as one fourplex is not that many more units, Americans often have negative ideas about renters in apartments or feel that increased density will threaten their property values and neighborhood feel.

My guess is that plenty of urban homeowners would prefer that neither option arrive next door: keep the teardowns and the conversions into multiple units somewhere else. But, if the choice is between the two, the McMansion may be the worst option.

The power of local politics to shape national outcomes

A deep look at the changing political tides in suburban Oakland County, Michigan ends with this:

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Such a post-mortem would likely reveal that the party’s disinterest in holding onto the suburbs prevents the rise of new Pattersonian Republicans with their own identities separate from Trumpism and that this will have long-term historical consequences.

“There are dozens, if not hundreds of these local or regional-level political power brokers who shape the outcomes of how our cities and regions function in ways that just aren’t visible to most people,” says Delmont, the Dartmouth historian. “We spend so much time talking about who’s in the White House or even who’s in Congress. But it might be the L. Brooks Pattersons of the world who actually determine, like: Do we have affordable housing? Do we have segregated cities? Do we have police forces that are militarized? The people who actually operate the levers of power are probably much more positioned like a Brooks Patterson than a President Trump or President Biden.”

National politics are indeed often built on smaller units of government. While a lot of attention goes to presidential elections (and this article also focuses on Donald Trump and how this connects to local politics), there is a lot of work that happens at the Congressional, state, and other levels that undergird the larger outcomes. A candidate or political party is going to struggle without grassroots, lower-level support.

This reminds me of my blog post Thursday about addressing housing issues municipality by municipality. We often look at particular issues at a national level. How to provide affordable housing? How to explain the rise and fall of Donald Trump? There are multiple levels of analysis possible and needed. In this post and on Thursday, the reminder is that the local level matters. Does Oakland County and all the local machinations about county seats and redestricting determine who will be president or which political party will control Congress? No, but add up a lot of counties in important areas – particularly with suburban voters who can be swayed election to election – and this can start to matter.

Another side to this is how American residents approach local government. Particularly in suburban areas, they like the idea of local control. Yet, local voting can be very low with turnout around 15-20%. If elections for county boards in places like suburban Detroit matter for national outcomes, shouldn’t suburbanites pay more attention local elections?

Neighborhood change via highway construction and the resulting change in local character

Neighborhood or community change happens over time. Yet, as this look back at a Black Dallas neighborhood that was drastically altered by the construction of a highway in the late 1960s suggests, it was not just that the physical aspects of the neighborhood that changes: the intangible yet experienced character of a community matters.

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That is why these three forgotten old News stories about Deep Ellum are so important. Almost unintentionally, they document what was really lost when I-345 was built. Sure, the neighborhood lost shops, hotels, and historic buildings. But the most significant loss was something more intangible. Call it memory, or character, or spirit. Call it a continuity of shared experience, or sense of identity shaped by the ebbs and flows of prosperity and decline.

Whatever you call it, that intangible quality is the real ingredient that makes cities and neighborhoods great. You can’t plan it or build it. You can’t fund it through philanthropy or market it in a tourism brochure. It isn’t “walkability” or “urbanism.” It takes generations to take shape. If you’re lucky, you capture it by carefully preserving all the beautifully ugly conditions that feed it life.

But if you lose it, it’s gone forever.

This helps explain the anger and protests in the last sixty years or so about highways bulldozing their way through urban neighborhoods. The particular form of highways – wide, noisy, made to help people speed through the community rather than visit or stop – and consequences – often bisecting lively places, erecting a barrier, destroying important structures, and furthering connections for wealthier and suburban residents at the expense of others – could be very detrimental.

More broadly, this hints at the delicate nature of neighborhood or community character. Change will happen but it matters how quickly the change happens, what form it takes, and who drives the process. Highways do not do well in these three metrics: they tend to go from bulldozing to construction to use within a few years, it is difficult to rebuild street life around it, and it is pushed on a community by others. Could highways support neighborhood character in any form? Perhaps not. But, it is a question asked not just of highways: the issue of character comes up with structures and development of a different form including denser housing among single-family homes, a major height differential such as a 20 story tall building in a community with a current max of five story buildings, or a new kind of land use. It could be easy to write off the concerns of local residents and leaders as NIMBY concerns but they may have a point in that new construction could change the character.

And, as noted above, the character of a place is vitally important. The people who live and work there have a particular understanding of what it is. When it is threatened by something as characterless as a highway, this can be particularly painful.

Large actors in the US housing market and building more homes

Derek Thompson argues those interested in more housing in the United States should be more concerned with local NIMBY activity than private investment firms buying up homes to rent:

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Far worse than corporations taking a few thousand units off the market for owners are the governments and noisy NIMBYish residents taking millions of units off the market for owners and renters alike—by blocking construction projects in the past few decades. (California alone has an estimated shortage of 3 million housing units.) From New York to California, deep-blue cities and states have amassed a pitiful record of blocking housing construction and failing to meet rising demand with adequate supply. Many of the people tweeting about BlackRock are represented by city councils and state governments, or are surrounded by zoning laws and local ordinances that make home construction something between onerous and impossible.

One of the issues at play here is a numbers one: who exactly is acting within the US housing market and how much sway do they have. Concerns about corporations and housing can be placed in the larger context of how many housing units there are and how many are being built. Here are the numbers Thompson provides:

The U.S. has roughly 140 million housing units, a broad category that includes mansions, tiny townhouses, and apartments of all sizes. Of those 140 million units, about 80 million are stand-alone single-family homes. Of those 80 million, about 15 million are rental properties. Of those 15 million single-family rentals, institutional investors own about 300,000; most of the rest are owned by individual landlords. Of that 300,000, BlackRock—largely through its investment in the real-estate rental company Invitation Homes—owns about 80,000. (To clear up a common confusion: The investment firm Blackstone established Invitation Homes, in which BlackRock, a separate investment firm, is now an investor. Don’t yell at me; I didn’t name them.)

If I am calculating correctly, institutional investors currently own 2% of the single-family rentals. Of course, this number could grow if these firms find this to be a good investment.

Also of interest is the number of new homes being constructed. Thompson links to figures from the National Association of Home Builders that shows 6.8 million new single-family units were created in the 2010s. So, concerns about big investors buying homes could be considered alongside housing construction: if the investors are buying more quickly than new homes are being built, this could be an issue.

Thompson settles on local actors – governments and residents – as holding back housing construction. In this numbers game, restrictions on a local level collectively are holding back the construction of single-family housing. If these restrictions were lifted or lessened, concerns about institutional investors would presumably diminish because there is a larger supply of houses to choose from.

One problem I see with this among the larger numbers: while local actors might in the aggregate have oversight over millions of units, they individually have control over relatively few units. Let’s say a particular suburb in the Bay Area (and this NIMBY argument often comes back to California) is against building new single-family homes. Depending on the size of the community and the availability of land, this might affect just a few homes to several thousand. This is not many. Zoom out to the whole region and many suburbs doing this adds up to tens of thousands of potential homes. Do this across all of California’s metro areas and the numbers add up. Similarly, you could do this across all the metro areas in the United States.

However, convincing all these municipalities to act in the interests of the region, state, or country as a whole regarding housing is a difficult task. Housing is local and this makes legislation at the state or federal level very difficult. California’s recent efforts with SB 50 did not go through. Illinois just recently gave some teeth – but not all the teeth – to affordable housing guidelines for communities set almost two decades ago. Federal guidelines are met with the suggestions that the suburbs are going to be abolished. One reason Americans like suburbs in the first place is that local government, presumably more responsive to the needs of residents, has the power to exclude (particularly on race and social class) and protect the existing single-family homes.

All of this does not necessarily mean Thompson is wrong. Yet, to get to the numbers of new homes constructed that would make a significant difference – whether in reducing the need many metro areas have for more affordable housing or outweighing the actions of investment firms – would require a lot of change across many communities. State or federal legislation may or may not be successful and would be unpopular in many places without a significant public groundswell of support that this is an issue that all or even most communities need to address.

Together, municipal changes regarding zoning and NIMBY could add up. But, changes would need to come across communities to make a big difference.