Block 3607, lot 066
3751 20th St
- City’s use
- Single Family Residential
- Built
- 1900
- Stories
- 2
- Units
- 1
- Rooms
- 1 bathroom
- Building
- 1,820 sq ft
- Lot
- 2,848 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 |
|---|---|---|---|---|---|
| Dec 23, 2025 | Completed final sign-off Jan 2026 | 3751 20th St | Acri Ddc | to obtain final inspection for work approved under pa 201808177643,202101253251,202105250999. all work is complete.Details
to obtain final inspection for work approved under pa 201808177643,202101253251,202105250999. all work is complete. | |
| Dec 23, 2025 | Completed final sign-off Jan 2026 | 3751 20th St | Acri Ddc | to obtain final inspection for work approved under pa# 201506038013. all work is complete.Details
to obtain final inspection for work approved under pa# 201506038013. all work is complete. | |
| May 23, 2025 | Completed final sign-off Jan 2026 | 3751 20th St | Acri Ddc | restore brick finish @ retaining wall, replace tile @ extension with stucco, restore front door transom all per planning nov pa#2023-004187-prj revision to pa#2015-0603-8013 s1-r1Details
restore brick finish @ retaining wall, replace tile @ extension with stucco, restore front door transom all per planning nov pa#2023-004187-prj revision to pa#2015-0603-8013 s1-r1 | $20,000 |
| Apr 27, 2023 | Completed final sign-off Nov 2023 | 3751 20th St | Crime Watch Security Sys Llc | installation of new sprinkler monitoring system, ref pa# 202108126308.Details
installation of new sprinkler monitoring system, ref pa# 202108126308. | $4,000 |
| Aug 12, 2021 | Completed final sign-off Nov 2023 | 3751 20th St | Fire Guard Protection Inc. | install fire sprinkler system (78 heads) in all floors per nfpa-13, includes underground. ref app#201506038013 s1 r-1Details
install fire sprinkler system (78 heads) in all floors per nfpa-13, includes underground. ref app#201506038013 s1 r-1 | $21,000 |
| May 25, 2021 | Expired or cancelled expired Jan 2026 | 3751 20th St | Acri Ddc | revision to bpa#201506038013. replace (e) aluminum window w/ (n) wood window to match (e) rough opening dimentions. window is visible from street. top floor windowDetails
revision to bpa#201506038013. replace (e) aluminum window w/ (n) wood window to match (e) rough opening dimentions. window is visible from street. top floor window | $2,000 |
| Jan 25, 2021 | Expired or cancelled expired Jan 2026 | 3751 20th St | Acri Ddc | replaced damaged sidingDetails
replaced damaged siding | $15,000 |
| Oct 1, 2019 | Never finaled issued Oct 2019, no final | 3751 20th St | street space onlyDetails
street space only | ||
| Mar 11, 2019 | Never finaled issued Mar 2019, no final | 3751 20th St | street space onlyDetails
street space only | ||
| Aug 17, 2018 | Expired or cancelled expired Jan 2026 | 3751 20th St | Add A Garage Inc., Acri Ddc | provide temp shoring to facilitate excavation and construction of the proposed basement addition ref 201506038013Details
provide temp shoring to facilitate excavation and construction of the proposed basement addition ref 201506038013 | $80,000 |
| Jun 3, 2015 | Expired or cancelled expired Jan 2026 | 3751 20th St | S F Garage Company Inc., Matarozzi/Pelsinger Builders Inc., Acri Ddc | new 3-story horizontal addition at rear. new living level below (e) structure. new below-grade garage at street level. new retaining walls at rear yard. replace existing gable window(alum) w/ new wood window. repair/replace existing wood window sashes where indicated.new living room,bedrooms,bath.Details
new 3-story horizontal addition at rear. new living level below (e) structure. new below-grade garage at street level. new retaining walls at rear yard. replace existing gable window(alum) w/ new wood window. repair/replace existing wood window sashes where indicated.new living room,bedrooms,bath. | $1,500,000 |
| Feb 26, 2008 | Never finaled filed Feb 2008, never issued | 3751 20th St | comply nov 200684102: e deck stair to be removed from 2nd to 3rd story. n stairs to be relocated as shown in plans. new deck support unter stair. fill in railing at n work onlyDetails
comply nov 200684102: e deck stair to be removed from 2nd to 3rd story. n stairs to be relocated as shown in plans. new deck support unter stair. fill in railing at n work only | ||
| Feb 19, 2008 | Completed final sign-off Sep 2008 | 3751 20th St | comply with nov# 200684102-(e) deck stair to be removed from 2nd to 3rd story. new stairs to be relocated as shown in plans, new deck support under stair, fill in railing at new work onlyDetails
comply with nov# 200684102-(e) deck stair to be removed from 2nd to 3rd story. new stairs to be relocated as shown in plans, new deck support under stair, fill in railing at new work only | $6,000 | |
| Feb 23, 2007 | Expired or cancelled expired Apr 2013 | 3751 20th St | Design Carpentry Construction | replace approx 10' stair stringers x 2 and stair treds. less than 50% of total per nov #200684012 in kind.Details
replace approx 10' stair stringers x 2 and stair treds. less than 50% of total per nov #200684012 in kind. | $1,000 |
Who worked here
Everyone with a license on these permits, by role, with how many permits each is on.
- Contractors
- Acri Ddc (7), Add A Garage Inc., Crime Watch Security Sys Llc, Design Carpentry Construction, Fire Guard Protection Inc., Matarozzi/Pelsinger Builders Inc., S F Garage Company Inc.
- Architects
- Joshua Lowe (3), Josh Lowe
- Engineers
- Benjamin Lai
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