Permit GraphShortlistSan Francisco building permits since 2000

Block 1451, lot 061

354 20th Ave

City’s use
Single Family Residential
Built
1919
Stories
2
Rooms
4 bedrooms, 3 bathrooms
Building
2,147 sq ft
Zoning
NA
Construction type
NA

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

2 permits filed for this property since 2000.

CompletedIn progressNever finaledExpired or cancelled
FiledOutcomeAddressContractorWork described on the permitDeclared cost
Apr 15, 2026In progress
filed Apr 2026, not yet issued
354 20th AvExterior Perfection Builders Incproposing a new aluminum sunroom attached to the existing house wall and on the existing, retaining wall. with 4 lights, 1 switch and 3 outlets wired to an existing gfci outlet
Details
Permit
202602206258
Status
filed
Filed
Apr 15, 2026
Declared cost
$25,000
Address
354 20th Av

proposing a new aluminum sunroom attached to the existing house wall and on the existing, retaining wall. with 4 lights, 1 switch and 3 outlets wired to an existing gfci outlet

Open the permit page

$25,000
Oct 12, 2017Completed
final sign-off Oct 2017
354 20th AvLingruen Associatesperform repairs as per lingruen assoc termite report#78200 item 3a.
Details
Permit
201710121062
Status
complete
Filed
Oct 12, 2017
Permit issued
Oct 12, 2017
Final sign-off
Oct 17, 2017
Declared cost
$3,000
Address
354 20th Av

perform repairs as per lingruen assoc termite report#78200 item 3a.

Open the permit page

$3,000

Who worked here

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

Contractors
Exterior Perfection Builders Inc, Lingruen Associates

Find contractors for work like this

Starts from the last permit filed here; change it to describe your own project. Results cover apartment buildings like this one.