Permit GraphShortlistSan Francisco building permits since 2000

Block 2186, lot 008

2131 31st Ave

City’s use
Single Family Residential
Built
1939
Stories
1
Units
1
Rooms
3 bedrooms, 2 bathrooms
Building
1,887 sq ft
Lot
2,996 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

2 permits filed for this property since 2000.

CompletedIn progressNever finaledExpired or cancelled
FiledOutcomeAddressContractorWork described on the permitDeclared cost
Sep 10, 2025In progress
issued Sep 2025
2131 31st AvArmstrong Installation Servicere-roofing: remove and replace roofing material / existing roofing material (in-kind)
Details
Permit
202509105007
Status
issued
Filed
Sep 10, 2025
Permit issued
Sep 10, 2025
Declared cost
$12,500
Address
2131 31st Av

re-roofing: remove and replace roofing material / existing roofing material (in-kind)

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$12,500
May 23, 2001Completed
final sign-off Jul 2001
2131 31st Avnew bedrm, family rm &bath to be added at ground floor.
Details
Permit
200105239819
Status
complete
Filed
May 23, 2001
Permit issued
May 23, 2001
Final sign-off
Jul 23, 2001
Declared cost
$13,500
Address
2131 31st Av

new bedrm, family rm &bath to be added at ground floor.

Open the permit page

$13,500

Who worked here

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

Contractors
Armstrong Installation Service

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