2174 20Th Ave

APN: 2198019 Address: 2172 20TH AVE Block / Lot: 2198 / 019 Land Use: Single Family Residential Lot Area: 3000.0 Zoning District: RH-1 Zoning Name: RESIDENTIAL- HOUSE, ONE FAMILY Zoning General Type: Residential

Owner: Unknown Assessed Land Value: 452041.0 Assessed Improvement Value: 301361.0 Total Assessed Value: 753402.0

Last Sale Date: 1999-08-03 Last Sale Price: Unknown

Summary: complete: 5, expired: 2, withdrawn: 3 Recent Permits: 2025-08-08 | 202508082668 | complete (2025-12-19) | Issued: 2025-08-15 | otc alterations permit | 2172 20th Av | addressing permit only. refer to pa# 2023-0428-6737 to legalize ground floor unit. add a new address 2172 20th ave to the ground floor lega… 2023-04-28 | 202304286737 | complete (2025-12-15) | Issued: 2024-06-05 | additions alterations or repairs | 2174 20th Av | revision to pa 2017-0919-9022 remodel & legalize ground floor unit; remodel main floor unit; to comply with 201791662 & 201791661. add 2 ba… 2023-03-13 | 202303133598 | withdrawn (2025-07-09) | Issued: Unknown | otc alterations permit | 2174 20th Av | to comply with 202173697: open all walls for complete rewire, new insulation and repiping replace all plaster with 5/8 drywall. no framing… 2019-02-27 | 201902273944 | withdrawn (2023-07-14) | Issued: Unknown | additions alterations or repairs | 2174 20th Av | nov #201791662. remove an illegal 2nd unit 2018-07-10 | 201807104097 | withdrawn (2023-07-14) | Issued: Unknown | otc alterations permit | 2174 20th Av | interior alterations to 2 units in a 2 story house. legalizations of 2nd unit under sep permit. 2017-09-27 | 201709279704 | complete (2018-01-31) | Issued: 2018-01-23 | otc alterations permit | 2174 20th Av | to comply w/nov #201789761, remove roof structure over front stairs. maher na 2017-09-19 | 201709199022 | complete (2025-09-19) | Issued: 2022-11-21 | additions alterations or repairs | 2174 20th Av | to legalize an existing illegal second unit per ordinance 43-14. to comply with nov #201791662. install new rear spiral stairs. 2014-09-16 | 201409166372 | expired (2021-02-25) | Issued: 2014-09-24 | otc alterations permit | 2174 20th Av | replace 20 windows like for like with anderson wood clad visible from street in kind same construction as existing u factor >= .32, bedroom…

2023-003910PRJ | Closed | 2174 20TH AVE 94116 | Revision to approved building permit #2017-0919-9022 to remodel and legalize ground floor unit. Current scope is to legalize lightwell infill at second floor a… 2019-004645PRJ | Closed | 2174 20TH AVE 94116 | Legalization of UDU. 2017-012524PRJ | Closed | 2174 20TH AVE 94116 | Legalization of an illegal dwelling unit.

Analysis Neighborhood: Sunset/Parkside Supervisor District: 4 Planning District: Outer Sunset (15) Police District: TARAVAL (Company I)

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

This report identifies parcel 2198019 as 2174 20TH AVE 94116, located in the Sunset/Parkside area, Supervisor District 4, Planning District Outer Sunset (15), and SFPD TARAVAL District (Company I). Public assessor roll attributes available for this parcel indicate land use of Single Family Residential, a reported lot area of 3000.0, 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.