PROPERTY OVERVIEW
APN: 6602031
Address: 457 DUNCAN ST
Block / Lot: 6602 / 031
Land Use: Single Family Residential
Lot Area: 2850.0
OWNERSHIP & ASSESSMENT
Owner: Unknown
Assessed Land Value: 1456560.0
Assessed Improvement Value: 624240.0
Total Assessed Value: 2080800.0
SALES & TRANSFER HISTORY
Last Sale Date: 2021-07-16
Last Sale Price: Unknown
PERMIT ACTIVITY (DBI)
Summary: complete: 2, issued: 1
Recent Permits:
2025-08-11 | 202507211234 | issued (2026-03-17) | Issued: 2026-03-17 | additions alterations or repairs | 457 Duncan St | 1st flr-horizontal addition @ rear yard w/ bedrm,bathrm,office & storage;convert (e)garage area into (conditioned space w/ laundry rm & mud…
2008-04-30 | 200804300941 | complete (2008-07-25) | Issued: 2008-04-30 | otc alterations permit | 457 Duncan St | remodel (e) kitchen, new countertops, sink, appliances, hardwd flrs over (e) sub flr. upgrade electrical outlets & move others. remove old…
1998-10-01 | 9819944 | complete (1998-11-05) | Issued: 1998-10-01 | otc alterations permit | 457 Duncan St | termite repair
PLANNING CASES (ACCELA)
2025-003318PRJ | Closed - Approval Ltr Issued | 457 DUNCAN ST 94131 | Horizontal addition at rear yard with bedroom, bathroom, office and storage at 1st floor. Convert existing garage area into new conditioned space with laundry…
ADMINISTRATIVE & PLANNING CONTEXT
Analysis Neighborhood: Noe Valley
Supervisor District: 8
Planning District: Central (7)
Police District: INGLESIDE (Company H)
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 6602031 as 457 DUNCAN ST 94131, located in the Noe Valley area, Supervisor District 8, Planning District Central (7), and SFPD INGLESIDE District (Company H).
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.