San Francisco · Montgomery St
300 Montgomery St, San Francisco
24 home-service permits on record at 300 Montgomery St, San Francisco; the roof was last permitted on Nov 12, 2015 at a declared value of $45,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Dec 27, 2022 | otc alterations permit: ste300:reuse vav boxes as shown. demo duct work and supply diffusers as shown. provide new supply dectwork for new layout. relocate supply diffusers to new locations. provide new return grilles as shown. relocate thermostat as required. provide air balance report. ref permit 202211166623 | Heating and cooling | $12,000 | — | Finaled Apr 14, 2023 | 202212279161 |
| Dec 2, 2022 | otc alterations permit: #300: interior t.i. work on a single floor. work includes demolition. new partitions, doors, and frames, casework, finishes, electrical and lighting work | Electrical | $390,000 | — | Finaled Apr 20, 2023 | 202211166623 |
| Oct 28, 2022 | otc alterations permit: 12th fl interior ti consist of new finishes and fixtures. new wall, includes upgrades on electrical and mechanical | Electrical | $820,000 | — | issued | 202209283325 |
| Jan 20, 2022 | otc alterations permit: suite 450: fire alarm as-built drawning for pa201912240467. include additional duct detectors for ahu | Heating and cooling | $4,752 | — | issued | 202201146049 |
| Feb 11, 2020 | otc alterations permit: 4th fkl - revision to pa 2019-0909-1019 remove nic hatch in restrooms. add 1 hr shaft around duct in ceiling | Heating and cooling | $10,000 | — | issued | 202002073845 |
| Feb 5, 2020 | otc alterations permit: mech for suite 450: furnish & install new air distribution with new air outlets, new air conditioning unit and new return fan. ref pa #201909091019 | Heating and cooling | $361,480 | — | issued | 202001282885 |
| Dec 6, 2019 | otc alterations permit: 2nd fl - fire alarm ti - add 16 speaker strobes, 3 speakers, 3 duct detectors for fan coil units with relays. ref pa 2019-1114-7276 | Heating and cooling | $10,000 | — | Finaled Apr 9, 2020 | 201912068881 |
| Sep 23, 2019 | sign - erect: erect non-electric, projecting, double faced sign. attach 2 fabric signs to projecting attachements - double faced ** maher: n/a ** | Electrical | $6,000 | — | Finaled Sep 23, 2020 | 201609097190 |
| Jun 18, 2019 | otc alterations permit: 6/f: demo of partitions, ceilings, millwork and plumbing fixtures; and additoin of new partitions, doors & frames,cieling, lighting,finishes,carewokd.electrical & mech defered.no structural work. resrooms to be ada compliant. maher n/a | Plumbing | $339,000 | — | Finaled Dec 3, 2019 | 201906183678 |
| Jan 28, 2019 | otc alterations permit: 5/f: fire alarm t.i. add 27 speaker strobes, 3 speakers, 5 duct detctors for fd. ref t.i.2018.0620.2386. maher n/a | Heating and cooling | $18,000 | — | Finaled Apr 9, 2019 | 201901170665 |
| Dec 26, 2018 | otc alterations permit: rev to pa# 2011806202386; adds an idf rm and shifts break area over, no changes to the breakroom elevations otherwise, no additional plumbing fixtures are being added. it also moves the wall of rm 504 and adds a wall in open office 509 based on found site conditons this set aso includes structural | Plumbing | $25,000 | — | Finaled Jul 22, 2019 | 201812128063 |
| Jul 10, 2018 | otc alterations permit: 5th fl - full floor, single tenant interior improvement. common corridor will be removed as part of the proposed tenant floor occupancy. work includes demo of partitions, ceilings, millwork and plumbing fixtures. new partitions, doors and frames, ceiling lighting. finishes casework elec and mech | Plumbing | $1,200,000 | — | Finaled Jun 26, 2019 | 201806202386 |
| Aug 18, 2017 | otc alterations permit: 10th floor suite 1050 -the modification of existing hvac systems to match new architectural layout. the addition of one vav box with controls. air balance. ref pa#201705307899. n/a maher ordinance | Heating and cooling | $21,300 | — | Finaled Dec 11, 2017 | 201708185285 |
| Aug 18, 2017 | otc alterations permit: suite 350: interior wall partition for 1 meeting room. no lighting, plumbing, hvac, elec, work under sep permit | Heating and cooling | $66,000 | — | Finaled Sep 25, 2017 | 201708154837 |
| Jun 29, 2017 | otc alterations permit: commerical tenant improvment on single floor. new partitions, doors, frames, ceiling, lighting, finishes, casework, electrical | Electrical | $191,494 | — | Finaled Nov 20, 2017 | 201705307899 |
| Jun 28, 2016 | otc alterations permit: 8/f #833- this is a commercial t.i. on a single floor, work includes new partitions, finishes, casework, electrical & plumbing. n/a ordinance #155-13 | Plumbing | $800,000 | — | issued | 201606109652 |
| Jun 3, 2016 | otc alterations permit: #350- hvac t.i. per scope, existing supply air from central fan system will be ducted to new vav boxes to provide cooling, existing building heating will feed reheat coils at vav boxes, new split heat pump, new restroom exhaist fans. n/a ordinance #155-13 | Heating and cooling | $100,000 | — | Finaled Aug 19, 2016 | 201605197834 |
| Feb 9, 2016 | otc alterations permit: 9th fl: revision to app#2015-0317-1120. work includes addition of 4 meeting rooms. new partitions, doors and frames. relocate light fixutres, match finishes, minor electrical. no structural work. n/a for maher. life safety deferred submittals | Electrical | $62,000 | — | Finaled Mar 28, 2016 | 201512044189 |
| Dec 8, 2015 | otc alterations permit: 9th flr; revision to previously issued permit 201503171120; open ceiling at elev. lobby,new gyp.bod,soffit,lighting; revise duct location in lobby. maher n/a | Heating and cooling | $1 | — | Finaled Mar 28, 2016 | 201512023960 |
| Nov 12, 2015 | ReRoof: reroofing | Roofing | $45,000 | — | Finaled Dec 4, 2015 | 201511122457 |
| Aug 10, 2015 | otc alterations permit: 11th floor: title 24 electrical for office space. ref app#201504083147. n/a for maher | Electrical | $100,000 | — | Finaled Aug 17, 2016 | 201506300313 |
| Jul 14, 2015 | otc alterations permit: add 8 speaker strobes, 2 strobes, 6 duct detectors, 6 relays, relocate existing devices. ref 201503171120 maher not req | Heating and cooling | $12,500 | — | Finaled Jan 28, 2016 | 201507141370 |
| May 29, 2015 | otc alterations permit: tenant improvement work on 11th fl work includes minor demo, new partitions, doors, frames, finishes, ceiling, lighting. electrical, mech, sprinkler under sep permit | Electrical | $208,000 | — | Finaled Jul 26, 2016 | 201504083147 |
| Apr 28, 2015 | otc alterations permit: 9th fl: interior tenant improvement. new partitions, doors and frames, ceiling, lighiting, finishes, casework, electrical, mechanical, sprinklers and fire alarm on sep permit maher not req | Electrical | $800,000 | — | Finaled Mar 28, 2016 | 201503171120 |
On Montgomery St
849 permits on record on Montgomery St.
| Trade | Permits | Since Oct 4, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 69 | 14 | $16,250 | $1,501–$299,009 | Jun 26, 2026 |
| Electrical | 324 | 41 | $60,000 | $14,450–$200,000 | Sep 15, 2026 |
| Heating and cooling | 308 | 28 | $42,514 | $13,434–$292,800 | Aug 21, 2026 |
| Plumbing | 140 | 18 | $185,000 | $3,000–$1,290,000 | Sep 15, 2026 |
| Water heater | 6 | 0 | — | under 5 | May 11, 2023 |
| Solar | 2 | 0 | — | under 5 | Jul 16, 2021 |
Roof replacement cost in San Francisco
Across 5,889 one- and two-family reroof permits since October 4, 2024, most declared values run from $7,650 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,800 and $21,760. 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 4, 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 4, 2026. Owner names are not shown on any page.