3977 20Th St

APN: 3605056 Address: 3977 20TH ST Block / Lot: 3605 / 056 Land Use: Single Family Residential Lot Area: 2850.0 Zoning District: RH-1 Zoning Name: RESIDENTIAL- HOUSE, ONE FAMILY Zoning General Type: Residential

Owner: Unknown Assessed Land Value: 2272232.0 Assessed Improvement Value: 1267114.0 Total Assessed Value: 3539346.0

Last Sale Date: 2021-10-25 Last Sale Price: Unknown

Summary: cancelled: 1, complete: 9, expired: 5, withdrawn: 1 Recent Permits: 2025-06-09 | 202506098271 | complete (2025-06-11) | Issued: 2025-06-09 | otc alterations permit | 3977 20th St | to obtain final inspection for work approved under pa202203079387. all work is complete. 2024-08-12 | 202408128467 | complete (2024-09-13) | Issued: 2024-08-12 | otc alterations permit | 3977 20th St | to obtain final inspection for work approved under pa#: 202206307542, 202207229183 and 202207299593 all work is complete 2022-11-23 | 202211237176 | complete (2024-09-13) | Issued: 2022-12-02 | otc alterations permit | 3977 20th St | construction revision to previously approved pa# 202207229183 to clarify shearwall nailing schedules. no change to interior layouts or exte… 2022-07-29 | 202207299593 | expired (2024-09-13) | Issued: 2023-01-17 | otc alterations permit | 3977 20th St | revision to 202207229183 and 202211237176 to reduce scope of seismic upgrade work prior to final framing inspection before sheetrock coveru… 2022-07-22 | 202207229183 | expired (2024-09-13) | Issued: 2022-08-05 | otc alterations permit | 3977 20th St | revision to bpa#202206307542 to add gradebeam work w/new plywood wall nailing schedule & add 25' reinforced concrete foundation. no change… 2022-06-30 | 202206307542 | expired (2024-09-13) | Issued: 2022-07-01 | otc alterations permit | 3977 20th St | remodel of extg 2 story, single family dwelling. interior remodel with voluntary seismic upgrade to include widening garage at front and in… 2022-05-19 | 202205194621 | withdrawn (2022-06-29) | Issued: Unknown | additions alterations or repairs | 3977 20th St | no change to (e) building envelope. remode (e) 2 story wood frame sfd. expansion of (e) garage with (e) building envelope. interior remodel… 2022-03-07 | 202203079387 | expired (2025-06-11) | Issued: 2022-05-16 | otc alterations permit | 3977 20th St | interior remodel of an existing 2 story wood frame sfr including: removal / replacement/relocation of miscellaneous fixtures, faucets and a…

2022-005980PRJ | Withdrawn | 3977 20TH ST 94114 | Two-story, single family home - No change to (e) building envelope. Remodel (e) 2 story wood frame. Expansion of (e) garage with (e) building envelope. Interio…

Analysis Neighborhood: Castro/Upper Market Supervisor District: 8 Planning District: Central (7) Police District: MISSION (Company D)

Police Incidents in Police District: Unknown Top Incident Categories: Unknown 311 Cases in Supervisor District: Unknown Top 311 Categories: Unknown

This report identifies parcel 3605056 as 3977 20TH ST 94114, located in the Castro/Upper Market area, Supervisor District 8, Planning District Central (7), and SFPD MISSION District (Company D). Public assessor roll attributes available for this parcel indicate land use of Single Family Residential, a reported lot area of 2850.0, and assessed land and improvement values from the most recent assessor roll year. Permit activity is summarized from DBI permit records when parcel block and lot can be matched, and planning entitlement activity is retrieved from the San Francisco Planning Accela case feed when available. Neighborhood signals are summarized at the district level for context and are not parcel specific.