Block 3620, lot 065

3609 21st St

City’s use: Single Family Residential
Built: 1940
Stories: 3
Units: 1
Rooms: 3 bedrooms, 3 bathrooms
Building: 2,177 sq ft
Lot: 2,848 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

6 permits filed for this property since 2000.

CompletedIn progressNever finaledExpired or cancelled

Filed	Outcome	Address	Contractor	Work described on the permit	Declared cost
Oct 29, 2025	Completed final sign-off Nov 2025	3609 21st St	Shek's Construction Co	partial bathroom remodel in kind for (2) bathrooms - remove second floor & third floor bathroom floor tiles and replace with new tiles in same area, in kind. no change to wall layout. no change to floor layout. no structural work. Details Permit 202510298392 Status complete Filed Oct 29, 2025 Permit issued Oct 29, 2025 Final sign-off Nov 25, 2025 Declared cost $8,000 Address 3609 21st St partial bathroom remodel in kind for (2) bathrooms - remove second floor & third floor bathroom floor tiles and replace with new tiles in same area, in kind. no change to wall layout. no change to floor layout. no structural work. Open the permit page	$8,000
Aug 31, 2021	Never finaled issued Aug 2021, no final	3609 21st St	Jemico Llc Dba Renewal By Andersen Of Sf	replacing (1) non-street facing windows and (2) non-street facing patio doors. same size, same location. replacement fenestration max u-factor = 0.40 Details Permit 202108317517 Status issued Filed Aug 31, 2021 Permit issued Aug 31, 2021 Declared cost $28,432 Address 3609 21st St replacing (1) non-street facing windows and (2) non-street facing patio doors. same size, same location. replacement fenestration max u-factor = 0.40 Open the permit page	$28,432
Nov 22, 2016	Never finaled issued Nov 2016, no final	3609 21st St		street space permit Details Permit M741108 Status issued Filed Nov 22, 2016 Permit issued Nov 22, 2016 Address 3609 21st St street space permit Open the permit page
Sep 17, 2004	Never finaled issued Nov 2004, no final	3609 21st St	Royal Lyon Construction	revision to permit app 200003214926- to allow a skylight in a 1-hour roof encroaching 10 1/2" into t Details Permit 200409174461 Status issued Filed Sep 17, 2004 Permit issued Nov 1, 2004 Declared cost $1,000 Address 3609 21st St revision to permit app 200003214926- to allow a skylight in a 1-hour roof encroaching 10 1/2" into t Open the permit page	$1,000
Jun 14, 2004	Completed final sign-off Mar 2005	3609 21st St		appl#200003214926 rev. foundation detail @ front steel moment frame Details Permit 200406146360 Status complete Filed Jun 14, 2004 Permit issued Jun 14, 2004 Final sign-off Mar 1, 2005 Address 3609 21st St appl#200003214926 rev. foundation detail @ front steel moment frame Open the permit page
Mar 21, 2000	Completed final sign-off Mar 2005	3609 21st St	Royal Lyon Construction	new 3rd floor over part of existing structure w/balcony & stairs at rear Details Permit 200003214926 Status complete Filed Mar 21, 2000 Permit issued May 11, 2004 Final sign-off Mar 1, 2005 Declared cost $136,800 Address 3609 21st St new 3rd floor over part of existing structure w/balcony & stairs at rear Open the permit page	$136,800

Who worked here

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

Contractors: Royal Lyon Construction (2), Jemico Llc Dba Renewal By Andersen Of Sf, Shek's Construction Co

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