Block 2750, lot 044
4407 20th St
- City’s use
- Multi-Family Residential
- Built
- 1900
- Stories
- 3
- Units
- 3
- Rooms
- 4 bedrooms, 5 bathrooms
- Building
- 3,133 sq ft
- Lot
- 2,435 sq ft
- Zoning
- RH2
- 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
14 permits filed for this property since 2000.
| Filed | Outcome | Address | Contractor | Work described on the permit | Declared cost |
|---|---|---|---|---|---|
| Sep 8, 2020 | Never finaled issued Sep 2020, no final | 4407 20th St | Redwood Security Systems Inc | sprinkler flow monitoringDetails
sprinkler flow monitoring | $2,000 |
| Aug 26, 2020 | Completed final sign-off Aug 2021 | 4409 20th St | Modern Construction Inc | interior remodel of 3rd fl apartment unit including new bathroom, new kitchen island, and remodel existing bathroom.Details
interior remodel of 3rd fl apartment unit including new bathroom, new kitchen island, and remodel existing bathroom. | $60,000 |
| Mar 2, 2020 | Never finaled issued Mar 2020, no final | 4407 20th St | Project Contractor Inc | installation of sprinkler system per nfra 13 at ground fl. (n) unit and related egress pa# 201812198794. total 12 sprinkler heads.Details
installation of sprinkler system per nfra 13 at ground fl. (n) unit and related egress pa# 201812198794. total 12 sprinkler heads. | $7,000 |
| Dec 11, 2019 | Never finaled issued Dec 2019, no final | 4407 20th St | street spaceDetails
street space | ||
| Jul 19, 2019 | Completed final sign-off Aug 2020 | 4407 20th St | Modern Construction Inc | revision to voluntary seismic retrofit 2018-0525-0265 due to change in engineering and engineer of record and layour of shear walls. this permit cost is for the additional structural work for the adu only (lower slab & replace foundation).Details
revision to voluntary seismic retrofit 2018-0525-0265 due to change in engineering and engineer of record and layour of shear walls. this permit cost is for the additional structural work for the adu only (lower slab & replace foundation). | $50,000 |
| Apr 4, 2019 | Completed final sign-off Aug 2020 | 4407 20th St | Modern Construction Inc | remodel 2nd fl apartment unit. replace existing rear windows.Details
remodel 2nd fl apartment unit. replace existing rear windows. | $60,000 |
| Dec 19, 2018 | Completed final sign-off Aug 2020 | 4407 20th St | Modern Construction Inc | add unit per ord #162-16. remodel ground floor to accommodate 1 new studio apartment unit. soft story permit is approved & issued 201805250265.Details
add unit per ord #162-16. remodel ground floor to accommodate 1 new studio apartment unit. soft story permit is approved & issued 201805250265. | $95,000 |
| May 25, 2018 | Never finaled issued Dec 2018, no final | 4407 20th St | voluntary seismic uprade per ab 094Details
voluntary seismic uprade per ab 094 | $64,600 | |
| Dec 1, 2017 | Expired or cancelled cancelled Jan 2026 | 4407 20th St | create new office by opening wall. remodel kitchenDetails
create new office by opening wall. remodel kitchen | $21,500 | |
| Oct 12, 2017 | Expired or cancelled withdrawn Jun 2018 | 4407 20th St | install structural moment frame.Details
install structural moment frame. | $18,000 | |
| Feb 2, 2017 | Never finaled issued Feb 2017, no final | 4409 20th St | California Builders & Foundations | pull/replace bathroom, 5'x12'Details
pull/replace bathroom, 5'x12' | $15,000 |
| Dec 19, 2014 | Completed final sign-off Dec 2015 | 4407 20th St | Westech Roofing Co | reroofingDetails
reroofing | $16,500 |
| Jun 29, 2010 | Completed final sign-off Sep 2010 | 4409 20th St | San Francisco Design Build | repair e rear deck, add new windows, doors, skylights to e rear room. replace e rear stairs in kindDetails
repair e rear deck, add new windows, doors, skylights to e rear room. replace e rear stairs in kind | $15,000 |
| May 23, 2001 | Completed final sign-off Nov 2001 | 4407 20th St | Spark Construction | stairs replacement and garage entrance replacementDetails
stairs replacement and garage entrance replacement | $40,000 |
Who worked here
Everyone with a license on these permits, by role, with how many permits each is on.
- Contractors
- Modern Construction Inc (4), California Builders & Foundations, Project Contractor Inc, Redwood Security Systems Inc, San Francisco Design Build, Spark Construction, Westech Roofing Co
- Architects
- Heidi Liebes (3), Francisco Matos
- Engineers
- Julia Chen (2)
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.