431 B Pierce St

APN: 0825036 Address: 427 A PIERCE ST Block / Lot: 0825 / 036 Land Use: Multi-Family Residential Lot Area: 3765.0

Owner: Unknown Assessed Land Value: 166602.0 Assessed Improvement Value: 736010.0 Total Assessed Value: 902612.0

Last Sale Date: Unknown Last Sale Price: Unknown

Summary: complete: 2, expired: 1, issued: 3 Recent Permits: 2025-05-16 | 202505166682 | issued (2025-05-16) | Issued: 2025-05-16 | otc alterations permit | 431 Pierce St | recomencement and completion of work approved under previous pa# 202208160613. fire only. 2022-08-16 | 202208160613 | issued (2022-09-16) | Issued: 2022-09-16 | otc alterations permit | 431 Pierce St | nfpa 13 fire sprinklers at new baement level living area per 201702179711. fire only water service, back flow underground piping sep permit 2021-06-17 | 202106172725 | issued (2021-08-11) | Issued: 2021-08-11 | otc alterations permit | 431 Pierce St | nfpa 13 fire sprinkler system installed at new basement level living area per #2017-0217-9711. work includes fire-only water service/backfl… 2017-02-17 | 201702179711 | expired (2026-03-18) | Issued: 2019-12-16 | additions alterations or repairs | 431 Pierce St | under ordinance 162-16, add (1)(n) residential unit @ basement. (2) bedroom, (2) bath, (8) windows @ rear yard. ** maher: n/a ** 2007-07-27 | 200707277993 | complete (2008-02-21) | Issued: 2007-07-27 | otc alterations permit | 431 Pierce St | repairing exterior decks. dry rot repair wood decking and handrails will be replaced.structural members repaired as needed for dryrot. repa… 2007-07-27 | 200707277993 | complete (2008-02-21) | Issued: 2007-07-27 | otc alterations permit | 427 Pierce St | repairing exterior decks. dry rot repair wood decking and handrails will be replaced.structural members repaired as needed for dryrot. repa…

2017-004068PRJ | Closed | 427 PIERCE ST 94117 | UNDER ORDINANCE 162-16, ADD (1)(N) RESIDENTIAL UNIT @ BASEMENT. (2) BEDROOM, (2) BATH, (8) WINDOWS @ REAR YARD. ** MAHER: N/A **

Analysis Neighborhood: Hayes Valley Supervisor District: 5 Planning District: Western Addition (5) Police District: PARK (Company F)

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

This report identifies parcel 0825036 as 427 PIERCE ST 94117, located in the Hayes Valley area, Supervisor District 5, Planning District Western Addition (5), and SFPD PARK District (Company F). Public assessor roll attributes available for this parcel indicate land use of Multi-Family Residential, a reported lot area of 3765.0, 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.