US homes by city in plain terms, 2027 edition

This guide to US homes by city in plain terms starts with the lot, not the facade. The lot was drawn before the house was designed. It decides more about the result than the architect did.

Change the lot and you change the house: where the windows go, which way the rooms face, how many floors make sense. The car, the garden and the front door follow the same lines.

This 2027 edition reads six cities that way. It names no residence and no occupant. Everything here can be seen from public ground.

What to take away

Six cities, six answers to the same question

Almost any city contains more than one of these, often within a few blocks.

New York: the lot that forces a plan into a slot

The Manhattan and Brooklyn row house sits on a lot roughly 20 to 25 feet wide and 100 feet deep. The side walls are shared, so windows can only face front and back. That single fact produces the plan: rooms in a line, a stair in the dark middle, and a service floor below.

The raised principal floor is not a style choice. It puts the living rooms above the street noise and above the flood line of an older city. How the narrow lot shapes the block is set out in New York homes.

Rows in Park Slope and the Upper West Side still show the type: brownstone fronts, stoops, and a garden level below the raised parlor. A brownstone is a row house with a sandstone front, often three or four stories over a basement.

Los Angeles: the lot that ran out of flat land

Los Angeles built on wide, shallow lots with detached houses and the garden behind. When the flat land ran out, the same city kept building on slopes. The house changed completely: entry at the top, rooms stepping down, structure reaching for firm ground.

That second phase is the subject of Los Angeles homes. The two halves of the city are the clearest single lesson in how much the ground decides.

Craftsman bungalows in Angelino Heights and Highland Park sit on the wide shallow lots. Hillside houses in Silver Lake and the Hollywood Hills step down the slope with garages at street level or below.

Boston: the lot that was water first

Boston's Back Bay and South End sit on filled ground. The lots are small and irregular because the fill followed old shorelines rather than a surveyor's grid. The answer was three full floors on a tight footprint, a flat roof, and no side yard at all.

The flat roof is a snow decision as much as a space one. A shallow roof that a person can walk on is easier to clear than a steep one nobody can reach.

Triple-deckers in Dorchester, Roxbury and East Boston stack three flats, one per floor, with wooden porches on the back. The form fits the small filled lots and the need for rental income in the same building.

Chicago: the lot that was standardized

Chicago sold lots by the 25 by 125 foot standard. The house that fits it is the long narrow plan with a basement and a gangway down one side to the back yard. The alley behind the lot is where the garage went.

The basement is close to free here. Footings have to go below the frost line anyway, so the hole is already dug. That is why the extra floor appears in Chicago and not in Phoenix.

Greystones in Wicker Park and two-flats across the bungalow belt repeat the pattern. A two-flat holds one unit upstairs and one down, often with a basement unit and a rear porch.

Phoenix: the lot that fights the sun

Phoenix lots are large and level, and the constraint is sun rather than rain or frost. The house goes low and wide, with walls and courts doing the work that eaves do elsewhere. Rooms arrange around shaded outdoor space because the outdoor room is only usable in shade.

Ranch houses in Encanto and postwar tracts across central Phoenix show the type. Block walls, gravel yards and covered patios replace lawns and deep porches.

Miami: the lot that fights the wind

Miami lots are small and level, and the constraint is wind. The result is concrete block, a hipped roof with short eaves, and shutters. A wide overhang is the first thing a hurricane lifts, so the roof profile is clipped.

The construction is masonry rather than timber frame. That choice is also why the city looks different from a frame-and-stucco suburb of the same age.

Mediterranean Revival houses in Coral Gables and Miami Modern apartments in the MiMo district share the small lots. In Little Havana and Little Haiti, concrete block houses with hipped roofs and shutters still line the streets.

The street pattern is a date

You can read the age of a district from a map before you arrive. The topographic products that show the ground under the pattern are distributed through the National Map.

A tight grid with small blocks and alleys behind the lots is a city built for people on foot. Everything had to be close, so the blocks are short. The alley exists because deliveries, stables and later garages needed a way in that was not the front.

A wider grid with longer blocks and no alleys is usually a streetcar district. The main road carried the line; the side streets filled in behind it at a walking distance from the stop.

Streets that curve and follow contours, with garages facing the road, are from the era of the car. Where they end in loops and dead ends, the district was designed to keep through traffic out, which only makes sense once most households have a car.

Where a grid stops abruptly and the streets begin to wander, you are usually at the edge of the flat land. The buildings beyond that line are a different structural problem from the ones behind it.

Climate rewrites the roof and the base

Land sets the plan; climate edits it. The edits are consistent enough to read on sight.

The foundation. Where the ground freezes deeply, footings go below the frost line, which makes a full basement almost free once the hole is dug. Where the ground never freezes, a slab on grade or a shallow crawl space is enough, and the house sits low.

The roof. Most local requirements descend from a model document that each state and city then amends, the residential code described at the International Residential Code page. Snow load produces steep pitches that shed. Sun produces low pitches, deep overhangs and shading. Hurricane exposure produces hipped roofs with short eaves.

The porch. In humid heat the porch is a room, deep enough to sit in, on the side that catches the breeze.

In cold cities it shrinks to a vestibule, a double door that keeps the weather out while the inner door opens.

In dry heat it becomes a courtyard or a shaded terrace, because the problem is sun rather than rain.

The wall. Masonry where the tradition and the winters justified its mass; timber frame where it was quick and cheap and, in seismic country, safer.

Stucco over frame is a hot-climate finish because it is a cheap skin on a light building.

Brick in a warm city is often a veneer over the same frame, and you can tell at a corner or a window reveal.

Planning a visit

Arrive with a question about the city rather than a list of buildings. A few that work anywhere:

Keep to public ground and public buildings. Civic buildings, parks, streets, squares, and historic houses that run as ticketed institutions carry all the evidence you need. Each institution publishes its own opening arrangements.

Nothing on this site will tell you where a private person lives. A map organized around who owns what is not a map this site makes.

Common questions

Why do two houses in the same style look so different in different cities?

Because style travels and constraints do not. The same drawn elevation gets a basement in Chicago and a slab in Phoenix. It gets a steep roof in Boston and a flat one in Miami. A brick wall here becomes a stucco skin over a frame there. The composition survives; the building underneath is local.

Which matters more, the lot or the climate?

The lot. Climate changes details you can list. The lot changes the plan, and the plan is the building.

Is there a single feature that identifies a city's houses fastest?

The relationship between the front door and the car. Where the two are on opposite sides of the house, the district predates the car. Where they share a facade, it does not.

Can a lot be read from a satellite view?

The pattern of a district can, and that is a legitimate use: block size, alley or none, grid or curve. Using an aerial view to study an individual private house is a different act, closer to a survey than to sightseeing, and it is not something this site does or encourages.