Permit GraphShortlistSan Francisco building permits since 2000

Block 3602, lot 021

4126 20th St

City’s use
Single Family Residential
Built
1905
Stories
1
Units
1
Rooms
1 bathroom
Building
1,420 sq ft
Lot
2,448 sq ft
Zoning
RH1
Construction type
D

From the assessor's latest secured roll, which can lag recent work. Lot plans, zoning and planning history on the city’s Property Information Map

Permits filed here

1 permit filed for this property since 2000.

CompletedIn progressNever finaledExpired or cancelled
FiledOutcomeAddressContractorWork described on the permitDeclared cost
Dec 4, 2025Completed
final sign-off Mar 2026
4126 20th StOlcan Construction Incdry rot repair to siding on first fl. at rear of building aprox 160 sf. 2 new doors and repair to deck lss than 50% all work at rear of building not visible from street
Details
Permit
202512040916
Status
complete
Filed
Dec 4, 2025
Permit issued
Dec 4, 2025
Final sign-off
Mar 13, 2026
Declared cost
$10,000
Address
4126 20th St

dry rot repair to siding on first fl. at rear of building aprox 160 sf. 2 new doors and repair to deck lss than 50% all work at rear of building not visible from street

Open the permit page

$10,000

Who worked here

Everyone with a license on these permits, by role, with how many permits each is on.

Contractors
Olcan Construction Inc

Find contractors for work like this

Starts from the last permit filed here; change it to describe your own project. Results cover single-family homes like this one.