450 Townsend St

APN: 3785004A Address: 135 BLUXOME ST Block / Lot: 3785 / 004A Land Use: Industrial Lot Area: 41830.0

Owner: Unknown Assessed Land Value: 5012163.0 Assessed Improvement Value: 5989270.0 Total Assessed Value: 11001433.0

Last Sale Date: 2014-10-31 Last Sale Price: Unknown

Summary: cancelled: 3, complete: 32, expired: 11, filed: 2, issued: 8 Recent Permits: 2026-02-25 | 202602256523 | filed (2026-02-25) | Issued: Unknown | otc alterations permit | 444 Townsend St | add light manufacturing use. interior renovation to (e) office space. 2 new conference rooms, new shop spaces for minor repairs to personal… 2017-10-02 | 201710020123 | complete (2019-01-25) | Issued: 2017-10-04 | otc alterations permit | 135 Bluxome St | interior t.i. on 1/f & 2/f. improvements include removal of uncessessary toilets on 1/f and replacement with a mother's room, expansion of… 2017-10-02 | 201710020123 | complete (2019-01-25) | Issued: 2017-10-04 | otc alterations permit | 145 Bluxome St | interior t.i. on 1/f & 2/f. improvements include removal of uncessessary toilets on 1/f and replacement with a mother's room, expansion of… 2017-09-22 | M834347 | issued (2017-09-22) | Issued: 2017-09-22 | otc alterations permit | 135 Bluxome St | street space 2017-09-22 | M834347 | issued (2017-09-22) | Issued: 2017-09-22 | otc alterations permit | 145 Bluxome St | street space 2017-05-10 | 201705106179 | complete (2019-03-01) | Issued: 2017-05-10 | otc alterations permit | 444 Townsend St | as-built revision for 2016-1107-2089, relocated smoke detector/relay module at roof top elevator machine room 2017-03-15 | M768327 | issued (2017-03-15) | Issued: 2017-03-15 | otc alterations permit | 135 Bluxome St | street space 2016-11-07 | 201611072089 | complete (2019-03-01) | Issued: 2016-12-28 | additions alterations or repairs | 444 Townsend St | fire alarm install new panel, smoke horn strobe, strobe, duct detector connect to existing device from 135 bluxome office. n/a for maher or…

2019-015122PRJ | Withdrawn | 444 TOWNSEND ST 94107 | Project sponsor proposes conversion of 49,240 square feet to office use on the first and second floors.

Analysis Neighborhood: Mission Bay Supervisor District: 6 Planning District: South of Market (9) Police District: SOUTHERN (Company B)

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

This report identifies parcel 3785004A as 444 TOWNSEND ST 94107, located in the Mission Bay area, Supervisor District 6, Planning District South of Market (9), and SFPD SOUTHERN District (Company B). Public assessor roll attributes available for this parcel indicate land use of Industrial, a reported lot area of 41830.0, 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.