PROPERTY OVERVIEW
APN: 3584089
Address: 3931 18TH ST
Block / Lot: 3584 / 089
Land Use: Multi-Family Residential
Lot Area: 2848.0
OWNERSHIP & ASSESSMENT
Owner: Unknown
Assessed Land Value: 1310904.0
Assessed Improvement Value: 561816.0
Total Assessed Value: 1872720.0
SALES & TRANSFER HISTORY
Last Sale Date: Unknown
Last Sale Price: Unknown
PERMIT ACTIVITY (DBI)
Summary: cancelled: 1, complete: 3, filed: 1, issued: 1
Recent Permits:
2025-11-25 | 202511250371 | filed (2025-11-25) | Issued: Unknown | otc alterations permit | 3931 18th St | interior remodel of 2nd fl, reconfigure partitions, add full bath, remodel (e) kitchen & bath. add (n) tankless water heater, add (n) elec…
2010-05-12 | M201826 | issued (2010-05-12) | Issued: 2010-05-12 | otc alterations permit | 3931 18th St | street space
2002-10-09 | 9808684 | cancelled (2002-10-09) | Issued: Unknown | additions alterations or repairs | 3931 18th St | add storage at rear of bldng on ground lvel/add porch roof
1999-11-08 | 9923698 | complete (2000-03-08) | Issued: 1999-11-08 | otc alterations permit | 3931 18th St | reroofing
1999-03-04 | 9904213 | complete (1999-06-07) | Issued: 1999-03-04 | otc alterations permit | 3931 18th St | cap foundation & dry rot work
1998-11-09 | 9823003 | complete (1999-03-12) | Issued: 1998-11-09 | otc alterations permit | 3931 18th St | correct work completed without a building permit
PLANNING CASES (ACCELA)
1998.802 | Closed | 3931 - 3933 18TH ST, SAN FRANCISCO, CA 94114 | Legalize existing unit by obtaining a variance for insufficient parking.
ADMINISTRATIVE & PLANNING CONTEXT
Analysis Neighborhood: Castro/Upper Market
Supervisor District: 8
Planning District: Central (7)
Police District: MISSION (Company D)
NEIGHBORHOOD SIGNALS (LAST 90 DAYS)
Police Incidents in Police District: Unknown
Top Incident Categories: Unknown
311 Cases in Supervisor District: Unknown
Top 311 Categories: Unknown
EXECUTIVE SUMMARY
This report identifies parcel 3584089 as 3931 - 3933 18TH ST, SAN FRANCISCO, CA 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 2848.0, 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.