Block 3598, lot 009

3700 20th St

City’s use: Multi-Family Residential
Built: 1925
Stories: 3
Units: 25
Rooms: 25 bathrooms
Building: 15,369 sq ft
Lot: 5,919 sq ft
Zoning: RM2
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

16 permits filed for this property since 2000.

CompletedIn progressNever finaledExpired or cancelled

Filed	Outcome	Address	Contractor	Work described on the permit	Declared cost
Feb 27, 2026	Completed final sign-off Mar 2026	3700 20th St	Master Roofing Systems Inc.	tear off, install bitumen by torch down. Details Permit 202602276644 Status complete Filed Feb 27, 2026 Permit issued Feb 27, 2026 Final sign-off Mar 18, 2026 Declared cost $35,000 Address 3700 20th St tear off, install bitumen by torch down. Open the permit page	$35,000
Feb 14, 2024	Completed final sign-off Dec 2024	3700 20th St	Rf Fire Alarm Llc	replace (e) fire alarm system. install new alarm control unit, new wireless alarm radio communicator, 7 smoke detectors, 6 pull stations, 3 monitoring modules, 7 wall mount horn strobe and 30 sounders. Details Permit 202402145909 Status complete Filed Feb 14, 2024 Permit issued Feb 14, 2024 Final sign-off Dec 17, 2024 Declared cost $31,000 Address 3700 20th St replace (e) fire alarm system. install new alarm control unit, new wireless alarm radio communicator, 7 smoke detectors, 6 pull stations, 3 monitoring modules, 7 wall mount horn strobe and 30 sounders. Open the permit page	$31,000
Nov 3, 2023	Expired or cancelled cancelled Oct 2024	3700 20th St	B R S Construction	exploratory demolition prior to all work start. separate permit will follow for fire alarm system upgrade to comply with sffc 1103.7.6.1 and voluntary sprinkler system upgrade in garage and storage area basement. Details Permit 202311030081 Status cancelled Filed Nov 3, 2023 Permit issued Nov 3, 2023 Declared cost $2,000 Address 3700 20th St exploratory demolition prior to all work start. separate permit will follow for fire alarm system upgrade to comply with sffc 1103.7.6.1 and voluntary sprinkler system upgrade in garage and storage area basement. Open the permit page	$2,000
Jul 10, 2019	Completed final sign-off Aug 2019	3700 20th St	B R S Construction	unit 30: kitchen (10'x10') remodel, electrical/plumbing/cabinets/countertops/appliances; bathroom (10'x8') remodel, electrical/plumbing/cabinets/tiles. no structural work Details Permit 201907105476 Status complete Filed Jul 10, 2019 Permit issued Jul 10, 2019 Final sign-off Aug 7, 2019 Declared cost $25,000 Address 3700 20th St unit 30: kitchen (10'x10') remodel, electrical/plumbing/cabinets/countertops/appliances; bathroom (10'x8') remodel, electrical/plumbing/cabinets/tiles. no structural work Open the permit page	$25,000
Apr 2, 2019	Completed final sign-off May 2019	3700 20th St	B R S Construction	unit 31: 8x8 kitchen remodeling with new cabinets, countertops, appliances, electrical and plumbing upgrade/no structural work 6x6 bathroom remodeling with new tiles, toilet, vanity, plumbing work and electrical work upgrade. Details Permit 201904026928 Status complete Filed Apr 2, 2019 Permit issued Apr 2, 2019 Final sign-off May 9, 2019 Declared cost $15,000 Address 3700 20th St unit 31: 8x8 kitchen remodeling with new cabinets, countertops, appliances, electrical and plumbing upgrade/no structural work 6x6 bathroom remodeling with new tiles, toilet, vanity, plumbing work and electrical work upgrade. Open the permit page	$15,000
Aug 3, 2018	Completed final sign-off Aug 2018	3700 20th St	O'connor Plumbing & Fire Protection	residential fire sprinkler system - partial 14 sprinklers maher na Details Permit 201808036445 Status complete Filed Aug 3, 2018 Permit issued Aug 8, 2018 Final sign-off Aug 27, 2018 Declared cost $7,000 Address 3700 20th St residential fire sprinkler system - partial 14 sprinklers maher na Open the permit page	$7,000
May 23, 2018	Never finaled issued May 2018, no final	3700 20th St		street space Details Permit M930388 Status issued Filed May 23, 2018 Permit issued May 23, 2018 Address 3700 20th St street space Open the permit page
Feb 20, 2018	Never finaled issued Feb 2018, no final	3700 20th St		street space Details Permit M891007 Status issued Filed Feb 20, 2018 Permit issued Feb 20, 2018 Address 3700 20th St street space Open the permit page
Jun 15, 2017	Completed final sign-off Dec 2018	3700 20th St	B R S Construction	add accessory dwelling unit in association with soft story upgrade appln #201601126931 per ord #162-16 Details Permit 201706159411 Status complete Filed Jun 15, 2017 Permit issued Feb 20, 2018 Final sign-off Dec 17, 2018 Declared cost $20,000 Address 3700 20th St add accessory dwelling unit in association with soft story upgrade appln #201601126931 per ord #162-16 Open the permit page	$20,000
Jun 24, 2016	Never finaled issued Jun 2016, no final	3700 20th St	B R S Construction	electrical upgrade during and after soft sotry work, new garage wiring for openers, exit, emergency and regular led lights, new outlets and new panel for garage, storage and laiundry. no building. only electrical work. Details Permit 201606240891 Status issued Filed Jun 24, 2016 Permit issued Jun 24, 2016 Declared cost $5,000 Address 3700 20th St electrical upgrade during and after soft sotry work, new garage wiring for openers, exit, emergency and regular led lights, new outlets and new panel for garage, storage and laiundry. no building. only electrical work. Open the permit page	$5,000
Jan 12, 2016	Completed final sign-off Aug 2016	3700 20th St	B R S Construction	soft storty retrofit to comply with sfbc chap 34b based on iebc appendix a4. n/a ordinance #155-13 Details Permit 201601126931 Status complete Filed Jan 12, 2016 Permit issued Jan 14, 2016 Final sign-off Aug 19, 2016 Declared cost $148,500 Address 3700 20th St soft storty retrofit to comply with sfbc chap 34b based on iebc appendix a4. n/a ordinance #155-13 Open the permit page	$148,500
Dec 8, 2015	Completed final sign-off Feb 2016	3700 20th St	B R S Construction	unit #19. kitchen remodeling-no structural work, electrical and plumbing upgrade, new cabinets, counter tops, appliances, led light fixtures. bathroom upgrade-no demolition, replace toilet w/1.28 gallon. new vanity, tile over (e) walls, no eelctrical work, no rough plumbing. Details Permit 201512084449 Status complete Filed Dec 8, 2015 Permit issued Dec 8, 2015 Final sign-off Feb 22, 2016 Declared cost $17,500 Address 3700 20th St unit #19. kitchen remodeling-no structural work, electrical and plumbing upgrade, new cabinets, counter tops, appliances, led light fixtures. bathroom upgrade-no demolition, replace toilet w/1.28 gallon. new vanity, tile over (e) walls, no eelctrical work, no rough plumbing. Open the permit page	$17,500
Jul 23, 2015	Completed final sign-off Aug 2015	3700 20th St	B R S Construction	unit #35: kitchen remodel: new cabinets, counter top, appliances, electrical, plumbin, title 24, lights. no structural work or removing walls. infield-close one kitchen door and window. Details Permit 201507232243 Status complete Filed Jul 23, 2015 Permit issued Jul 23, 2015 Final sign-off Aug 21, 2015 Declared cost $15,000 Address 3700 20th St unit #35: kitchen remodel: new cabinets, counter top, appliances, electrical, plumbin, title 24, lights. no structural work or removing walls. infield-close one kitchen door and window. Open the permit page	$15,000
Feb 24, 2014	Completed final sign-off Apr 2014	3700 20th St	B R S Construction	one (1) kitchen remodeling, electrical and plumbing upgrade. no change of wall, windows and doors. compliance with maher ordinance # 155-13 does not apply. Details Permit 201402249162 Status complete Filed Feb 24, 2014 Permit issued Feb 24, 2014 Final sign-off Apr 21, 2014 Declared cost $10,000 Address 3700 20th St one (1) kitchen remodeling, electrical and plumbing upgrade. no change of wall, windows and doors. compliance with maher ordinance # 155-13 does not apply. Open the permit page	$10,000
Nov 17, 2008	Completed final sign-off May 2009	3700 20th St	Schoepp Construction Inc	comply with nov 200881553-bid. dryrot repair per nov 200881553-bid at interior courtyard & existing entry way wall. approx 3' x 6'. Details Permit 200811176668 Status complete Filed Nov 17, 2008 Permit issued Nov 17, 2008 Final sign-off May 7, 2009 Declared cost $4,000 Address 3700 20th St comply with nov 200881553-bid. dryrot repair per nov 200881553-bid at interior courtyard & existing entry way wall. approx 3' x 6'. Open the permit page	$4,000
Sep 30, 2008	Never finaled issued Sep 2008, no final	3700 20th St		street space only Details Permit M135753 Status issued Filed Sep 30, 2008 Permit issued Sep 30, 2008 Address 3700 20th St street space only Open the permit page

Who worked here

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

Contractors: B R S Construction (9), Master Roofing Systems Inc., O'connor Plumbing & Fire Protection, Rf Fire Alarm Llc, Schoepp Construction Inc
Architects: Harvey Hacker
Authorized agent-otherss: Chang Yong Lee

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