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POTRERO HILL · 94107 · ACROSS THE CITY
Concrete contractor on Potrero Hill
Potrero Hill is the sunny one, with views of downtown and the Bay and a crooked block of Vermont Street that rivals Lombard. The hill is rock under thin soil, the streets are steep, and the houses range from 1880s cottages to new modern builds. Concrete work here usually starts with digging into the hill.
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SCOPE OF WORK · POTRERO HILL
Concrete work on Potrero Hill
Most Potrero Hill projects fall into one of three categories. Each links to the full service page.
Retaining walls
Lots cut into the hill need walls that hold soil and let water through. Walls with a house, driveway, or steep slope above them need engineering and a permit.
Retaining Walls service → STEEP STREETSDriveways & garage aprons
Garages cut into steep blocks need driveways designed so cars clear the transitions, with water sent to the gutter instead of the garage.
Concrete Driveway service → FRONT ENTRIESEntry stairs
Houses perched above the sidewalk need stairs with even risers and a finish that holds traction. We rebuild them to code and to last.
Concrete Stairs service →LOCAL KNOWLEDGE · POTRERO HILL
Building into rock
Potrero Hill’s bedrock sits close to the surface across much of the hill. That’s good for foundations and hard on excavation.
△ Rock close to the surface
Digging for a garage, a wall, or a footing often hits rock. It holds well once you’re on it, but getting there can take breakers instead of shovels.
We look at nearby cuts and any soils report before pricing excavation, so rock isn’t a surprise.
§ Serpentine on the slopes
Parts of the hill, especially toward the south and east, contain serpentine rock, which can carry naturally occurring asbestos.
Where excavation disturbs it, state and air-district dust rules apply. We plan for that when the soils report or the site points to it.
⌂ Cottages next to new builds
The fire didn’t reach the hill in 1906, so older cottages and Victorians sit beside postwar houses and new construction.
An older house next door may be on a shallow foundation, so excavation near a property line is planned with the neighbor’s footing in mind.
COMMON QUESTIONS
Potrero Hill concrete questions
Why does excavation on Potrero Hill cost more?
Does every retaining wall need an engineer?
Do you handle the permit for a rebuilt garage apron?
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Tell us what’s cracking, settling, or waiting to be built. We’ll walk the site, measure it, and hand you a written price — free, and good whether you hire us or not.
Call now — (415) 687-3728