3878 A 21St St

APN: 3603024 Address: 799 CASTRO ST Block / Lot: 3603 / 024 Land Use: Multi-Family Residential Lot Area: 2650.0

Owner: Unknown Assessed Land Value: 1140000.0 Assessed Improvement Value: 760000.0 Total Assessed Value: 1900000.0

Last Sale Date: 2007-06-01 Last Sale Price: Unknown

Summary: cancelled: 1, complete: 2, filed: 1, issued: 17, withdrawn: 5 Recent Permits: 2025-10-29 | 202510298365 | issued (2025-10-29) | Issued: 2025-10-29 | otc alterations permit | 3880 21st St | new fence and gate for side yard entrance. 2025-10-29 | 202510298365 | issued (2025-10-29) | Issued: 2025-10-29 | otc alterations permit | 3878 21st St | new fence and gate for side yard entrance. 2025-10-16 | 202510167476 | issued (2025-10-16) | Issued: 2025-10-16 | otc alterations permit | 3880 21st St | reconfigure 3rd fl. bathroom wall to relocate vanity reinstate permit # 2023-0872-4905 2025-10-16 | 202510167476 | issued (2025-10-16) | Issued: 2025-10-16 | otc alterations permit | 3878 21st St | reconfigure 3rd fl. bathroom wall to relocate vanity reinstate permit # 2023-0872-4905 2025-10-10 | 202510107199 | issued (2025-10-10) | Issued: 2025-10-10 | otc alterations permit | 3878 21st St | re-roofing: remove and replace roofing material / existing roofing material (in-kind) 2025-08-28 | 202508284147 | issued (2025-08-29) | Issued: 2025-08-29 | otc alterations permit | 3878 21st St | revision to 202308224905- comply with nov 202540942 to include repair (e) decks at rear. in kind not visible from street. less than 50%. 2025-08-28 | 202508284147 | issued (2025-08-29) | Issued: 2025-08-29 | otc alterations permit | 3880 21st St | revision to 202308224905- comply with nov 202540942 to include repair (e) decks at rear. in kind not visible from street. less than 50%. 2025-06-23 | 202506239198 | filed (2025-06-23) | Issued: Unknown | otc alterations permit | 3878 21st St | as built for fire sprinkler work. ref fire sprinkler permit 202411195264, bldg permit 202503101889, original permit 201704043134.

2017-004562PRJ | Closed | 799 CASTRO ST 94114 | Conditional Use Authorization to permit the demolition of a dwelling unit from an existing commercial/residential building and establish a new single family ho… 2012.1487 | Withdrawn | 799 CASTRO ST 94114 | To merge two units into one unit. WITHDRAWN. Superseded by 2017-004562PRJ 2012.1409 | Closed | 799 CASTRO ST 94114 | Conditional Use Authorization to permit the demolition of a dwelling unit from an existing commercial/residential building and establish a new single family ho… 2008.0410 | Closed | 799 CASTRO ST 94114 | 799 Castro Street: change of use from commercial to residential, addition of three stories. 3878 21st Street: Addition to the existing residential structure no…

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 3603024 as 799 CASTRO 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 Multi-Family Residential, a reported lot area of 2650.0, 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.