Block 1379, lot 034
100 20th Ave
- City’s use
- Multi-Family Residential
- Built
- 1916
- Stories
- 3
- Units
- 9
- Rooms
- 9 bathrooms
- Building
- 7,848 sq ft
- Lot
- 3,250 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
5 permits filed for this property since 2000.
| Filed | Outcome | Address | Contractor | Work described on the permit | Declared cost |
|---|---|---|---|---|---|
| Jun 10, 2025 | Completed final sign-off Jun 2025 | 100 20th Av | Sure Roofing Systems/R.O.Choy | reroofing. hot works. no work to (e) roof structural sheathing.Details
reroofing. hot works. no work to (e) roof structural sheathing. | $75,000 |
| Nov 13, 2024 | Completed final sign-off May 2025 | 100 20th Av | Byington Electric Corp | replacement of fire alarm system like for like to meet ca/sf fire marshall code interpreation 1103.7.6.1 & the low frequency horns indide of the unitsDetails
replacement of fire alarm system like for like to meet ca/sf fire marshall code interpreation 1103.7.6.1 & the low frequency horns indide of the units | $20,000 |
| Jul 5, 2022 | Completed final sign-off Jul 2022 | 100 20th Av | Deleon Builders Inc | kitchen remodel (replace cabinets only).Details
kitchen remodel (replace cabinets only). | $10,000 |
| Jun 20, 2018 | Completed final sign-off Dec 2018 | 100 20th Av | A J O Group Build Inc | comply with sf wood frame seismic retrofit program (soft story) sfbc chapter 4d, per 2016 cebc appx a4Details
comply with sf wood frame seismic retrofit program (soft story) sfbc chapter 4d, per 2016 cebc appx a4 | $45,000 |
| Aug 24, 2017 | Expired or cancelled withdrawn Jun 2018 | 100 20th Av | soft story retrofit per sfebc chapter 4d. engineering criteria asce 41-13.Details
soft story retrofit per sfebc chapter 4d. engineering criteria asce 41-13. | $90,000 |
Who worked here
Everyone with a license on these permits, by role, with how many permits each is on.
- Contractors
- A J O Group Build Inc, Byington Electric Corp, Deleon Builders Inc, Sure Roofing Systems/R.O.Choy
- Engineers
- Dr. Amin Ghafooripour, Giuseppe Sircana
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.