San Francisco · Townsend St
510 Townsend St, San Francisco
21 home-service permits on record at 510 Townsend St, San Francisco; the roof was last permitted on Jul 7, 2022 at a declared value of $35,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Jun 2, 2023 | otc alterations permit: as-built permit for fire only work on the phase 1 remodel for floors 1-7; 16 duct detectors added to the initial work for this job, ref pa# 202207289462 & 202207279365 | Heating and cooling | $42,864 | — | Finaled Jun 17, 2025 | 202306029088 |
| May 26, 2023 | otc alterations permit: 3rd/f phase 2: as-built for fire only work: 4 duct detectors added to initial work. ref to 202207289493 | Heating and cooling | $10,716 | — | Finaled Jun 28, 2023 | 202305258578 |
| May 25, 2023 | otc alterations permit: built permit for the fire only work on the floor 1 phase 2 remodel, 3 duct detectors added to the initial work for this job. ref 202212239141 | Heating and cooling | $8,037 | — | Finaled Jun 17, 2025 | 202305258545 |
| May 25, 2023 | otc alterations permit: built permit for the fire only work on the floor 2 phase 2 remodel, 3 duct detetors added to the initial work for this job. ref 202212239136 | Heating and cooling | $5,358 | — | Finaled May 15, 2025 | 202305258544 |
| Mar 17, 2023 | otc alterations permit: basement - revision to previously approved arch pa 2022-0712-8306. add bike storage and food service storage. electrical deferred | Electrical | $30,000 | — | issued | 202301200479 |
| Jan 24, 2023 | otc alterations permit: 6th fl - electrical & plumbing deferred permit to support approved arch permit. new lighting and power systems. structural revision to strengthened slab included. ref pa# 202208019661. new dishwasher type ii hood | Plumbing | $75,000 | — | issued | 202211166666 |
| Nov 29, 2022 | otc alterations permit: 2nd fl - mep submittal to support approved arch permit. demo and install ductwork and install ductwork and hvac. ref pa 2022-0718-8709 | Heating and cooling | $50,000 | — | issued | 202210265240 |
| Nov 8, 2022 | otc alterations permit: 1st/f mep deferred submittal to support approved arch permit. demo and install hvac & ductwork. new lighting. ref to 202207188695 | Heating and cooling | $170,000 | — | expired | 202211076004 |
| Nov 2, 2022 | otc alterations permit: 4/f: mep deferred submittal to support approved architectural. demo and install hvac and ductwork, new lighting. ref permit 202207279365 | Heating and cooling | $130,000 | — | Finaled Sep 8, 2023 | 202211025724 |
| Nov 1, 2022 | otc alterations permit: 7/f: mep deferred submittal to support approved architectural permit. demo/install new hvac & ductwork. ref bpa#202208170721 | Heating and cooling | $15,000 | — | expired | 202211015646 |
| Oct 31, 2022 | otc alterations permit: 3/f: plumbing/electrical only deferred submittal to support approved archictural permit. ref bpa#202207289493 | Plumbing | $25,000 | — | Finaled Aug 11, 2023 | 202210315533 |
| Oct 27, 2022 | otc alterations permit: 5/f: mep submittal to support approved arch bpa#202207289462. demo/install duct work & hvac | Heating and cooling | $50,000 | — | Finaled Sep 8, 2023 | 202210265203 |
| Jul 7, 2022 | otc alterations permit: this project involes the installation of guard rails around skylights on the roof deck | Roofing | $35,000 | — | Finaled Feb 17, 2023 | 202201055419 |
| Jun 1, 2018 | additions alterations or repairs: fire alarm work for the stripe remodel on floor 2, additions are 1 smoke detector, 53 duct detectors, 6 modules, 25 speakers, 56 speaker/strobes, 15 strobes, and 3- 2 way call boxes. ref pa# 201705/23/7372. ** maher: n/a ** | Heating and cooling | $149,900 | — | Finaled Jun 4, 2018 | 201805250270 |
| Feb 14, 2018 | otc alterations permit: fire alarm work for the "stripe" remodels on floors 6 and 7; additions are 7 smoke detectors, 29 duct detectors, 2 strobe power supplies, 12 speakers, 43 speaker/strobes and 2 strobes. ref pa 2017-0627-0517. maher na | Heating and cooling | $83,085 | — | Finaled Jun 4, 2018 | 201802120984 |
| Feb 14, 2018 | otc alterations permit: 5th fl-fire alarm work for the "stripe" remodel; additopns are duct detectors, speakers, speaker/strobes, and strobes. ref #2017-0803-3842 | Heating and cooling | $142,620 | — | Finaled Jun 4, 2018 | 201802090854 |
| Feb 7, 2018 | otc alterations permit: 4th flr- fire alarm for stripe. add 51 duct det, 17 speakers, 51 speaker/strobes and 30 strobes maher na ref 201708033839 | Heating and cooling | $141,930 | — | Finaled Jun 4, 2018 | 201802050317 |
| Feb 7, 2018 | otc alterations permit: 3rd flr- fire alarm for stripe. add 53 duct det, 12 speakers, 51 speaker/strobes and 27 strobes maher na ref 201708013474 | Heating and cooling | $140,390 | — | Finaled Jun 4, 2018 | 201802050316 |
| Jan 26, 2018 | otc alterations permit: fire alarm work for the "stripe" remodel on level 1; additions are 36 duct detectors, 8 speakers, 51 speaker/strobes and 11 strobes. ref pa 2017-0329-2700. maher na | Heating and cooling | $100,860 | — | Finaled May 28, 2025 | 201801259464 |
| Jan 24, 2018 | sign - erect: electric wall sign; n/a maher | Electrical | $5,000 | — | issued | 201711073377 |
| Dec 13, 2017 | additions alterations or repairs: interior ti of shell space on 6th & 7th flrs. partitions, finishes, mep, kitchen & dining areas. fitout of roof terrace | Roofing | $4,640,514 | — | Finaled Nov 21, 2019 | 201706270517 |
On Townsend St
208 permits on record on Townsend St.
| Trade | Permits | Since Oct 5, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 29 | 2 | — | under 5 | Jan 29, 2026 |
| Heating and cooling | 88 | 4 | — | under 5 | Sep 30, 2026 |
| Electrical | 63 | 5 | $75,000 | $6,200–$204,605 | Jun 25, 2026 |
| Plumbing | 27 | 3 | — | under 5 | Sep 30, 2026 |
| Solar | 1 | 0 | — | under 5 | Apr 1, 2019 |
Roof replacement cost in San Francisco
Across 5,872 one- and two-family reroof permits since October 5, 2024, most declared values run from $7,655 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,800 and $21,792. The lowest on record is $1 and the highest $4,315,170. Every permit behind that range.
Furnace, heat pump or air conditioner replacement cost in San Francisco
Across 291 one- and two-family heating and cooling permits since October 5, 2024, most declared values run from $1 to $224,616 (the middle 80%); the median is $25,196 and half fall between $5,000 and $116,433. The lowest on record is $1 and the highest $1,600,000. Every permit behind that range.
Source
San Francisco Department of Building Inspection, via DataSF, pulled nightly; the assessor roll for the property fields. As of October 5, 2026. Owner names are not shown on any page.