Skip to content
General ConstructionInner SunsetPermit issued

Additions & Alterations at 20 Graystone Tr, San Francisco

20 Graystone Tr, Inner Sunset, 94114

Winston

Sinra's conciergeOnline now

Planning general construction work near Inner Sunset? I’ll scope it, price it, and line up the right pro.

Reported project cost

$871,000

As declared on the permit filing. Additions & Alterations · 1 Family Dwelling.

Issued
September 11, 2026
Expires
—
License
—

What was permitted

This permit covers significant additions and alterations to a single-family home in the Inner Sunset neighborhood. The project includes a new concrete slab foundation, conditioned space on the first floor, and infill of existing lightwells, indicating a substantial expansion and remodel.

Issued on September 11, 2026, this project had an estimated cost of $871,000. The contractor for this extensive work was Crown Construction San Francisco.

Plan a similar project

Want work like this done at your place?

Tell us what you have in mind. We scope it, price it against work like this in Inner Sunset, and lines up the right contractor. You approve; we handle the back-and-forth.

View the official permit record

Tracking number, work description, cost and dates

Tracking number202605010494
Work permit #—
Job filing number—
Work typeAdditions & Alterations · 1 Family Dwelling
Statusissued
Job descriptionnew mat slab foundation with new conditioned space at 1st floor,including new area under 2nd floor kitchen footprint; new exterior stairs;infill 2 levels of existing lightwell; limited interior remodel.
Floor / unit—
Estimated cost$871,000
ApprovedSeptember 11, 2026
IssuedSeptember 11, 2026
Expires—
BBL—
BIN—

Related searches

additions and alterations1 family dwellingInner SunsetSan Franciscofoundationremodel$871,000 project cost