Permit GraphShortlistSan Francisco building permits since 2000

Block 1020, lot 002

421 Walnut St

City’s use
Single Family Residential
Built
1916
Stories
1
Units
1
Rooms
1 bedroom, 1 bathroom
Building
725 sq ft
Lot
3,841 sq ft
Zoning
RM1
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

4 permits filed for this property since 2000.

CompletedIn progressNever finaledExpired or cancelled
FiledOutcomeAddressContractorWork described on the permitDeclared cost
Jan 17, 2023Completed
final sign-off Oct 2024
421 Walnut Strevision to 201908023659: change window in main bedroom to sliding dr, remain same opening. change window in the hall to door on 2nd fl. changes request for roof maintaning.
Details
Permit
202301170272
Status
complete
Filed
Jan 17, 2023
Permit issued
Jan 18, 2023
Final sign-off
Oct 9, 2024
Declared cost
$200
Address
421 Walnut St

revision to 201908023659: change window in main bedroom to sliding dr, remain same opening. change window in the hall to door on 2nd fl. changes request for roof maintaning.

Open the permit page

$200
Aug 1, 2022Completed
final sign-off Oct 2024
421 Walnut StDliu Constructionrev to pa201708023959: revise 1/f bathroom location, additional skylihgt, change to framing based on revision & existing field conditions.
Details
Permit
202208019641
Status
complete
Filed
Aug 1, 2022
Permit issued
Sep 2, 2022
Final sign-off
Oct 9, 2024
Declared cost
$2,800
Address
421 Walnut St

rev to pa201708023959: revise 1/f bathroom location, additional skylihgt, change to framing based on revision & existing field conditions.

Open the permit page

$2,800
Aug 2, 2017Completed
final sign-off Jul 2024
421 Walnut StDliu Constructionvertical addition. 1-story addition above existing single family home. add 3 bedrooms, 2 bathrooms, new family room & laundry room.
Details
Permit
201708023659
Status
complete
Filed
Aug 2, 2017
Permit issued
Feb 23, 2021
Final sign-off
Jul 10, 2024
Declared cost
$60,000
Address
421 Walnut St

vertical addition. 1-story addition above existing single family home. add 3 bedrooms, 2 bathrooms, new family room & laundry room.

Open the permit page

$60,000
May 28, 2014Never finaled
issued May 2014, no final
421 Walnut Ststreet space and sidewalk repair
Details
Permit
M491167
Status
issued
Filed
May 28, 2014
Permit issued
May 28, 2014
Address
421 Walnut St

street space and sidewalk repair

Open the permit page

Who worked here

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

Contractors
Dliu Construction (2)
Architects
Ryan Knock (3)
Engineers
Jefferson Chen

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.