21st Ave, San Francisco: permits on record
281 home-service permits on record on 21st Ave since February 17, 2015, 63 of them since October 2, 2024, at 252 addresses. Home-service permits only (roofing, heating and cooling, solar, electrical, plumbing, water heaters); other building permits are kept in the record and not shown. Permits are listed without house numbers; each address has its own page below.
Roofing: 223 permits
From Feb 17, 2015 to Jun 18, 2026. Across 49 roofing permits since October 2, 2024, most declared values run from $8,770 to $28,000 (the middle 80%); the median is $15,000 and half fall between $11,000 and $18,980. The lowest on record is $3,500 and the highest $112,000.
Since October 2, 2024, 49 listed below. Earlier permits, 174, are on their house pages: 2024: 20 · 2023: 19 · 2022: 16 · 2021: 16 · 2020: 9 · 2019: 15 · 2018: 14 · 2017: 24 · 2016: 23 · 2015: 18.
| Issued | Work | Building | Declared value | Contractor as filed | Permit |
|---|---|---|---|---|---|
| Jun 18, 2026 | ReRoof: reroof. no hot works | 1 family dwelling | $15,000 | — | 202606183525 |
| Jun 5, 2026 | ReRoof: reroof torch down | 1 family dwelling | $9,800 | — | 202606052613 |
| May 21, 2026 | ReRoof: reroofing - no hot works | 1 family dwelling | $10,000 | — | 202605211722 |
| May 12, 2026 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $28,000 | — | 202605121116 |
| May 1, 2026 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $16,000 | — | 202605010465 |
| Apr 27, 2026 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $28,000 | — | 202604270162 |
| Apr 22, 2026 | ReRoof: tear off existing tar and gravel roof and install a 3-ply modified bitumen roof system, 2,600 sq ft | apartments | $50,000 | — | 202604229867 |
| Apr 16, 2026 | ReRoof: reroofing- no torch down | apartments | $20,000 | — | 202604169552 |
| Apr 10, 2026 | ReRoof: reroofing: tear off old roof membrane and install new roof membrane. no hot works | 1 family dwelling | $12,000 | — | 202604109221 |
| Feb 18, 2026 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 1 family dwelling | $9,500 | — | 202602186133 |
| Feb 3, 2026 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $14,000 | — | 202602035164 |
| Jan 16, 2026 | ReRoof: reroofing hot works | 2 family dwelling | $15,000 | — | 202601163989 |
| Jan 12, 2026 | ReRoof: reroofing no hot works | 1 family dwelling | $24,500 | — | 202601123666 |
| Jan 12, 2026 | ReRoof: reroofing: flat roof 1300 sq ft. tear off, install 1 base sa base sa modified bitumen | 1 family dwelling | $12,000 | — | 202601123625 |
| Dec 4, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $12,800 | — | 202512040947 |
| Nov 25, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $10,000 | — | 202511250419 |
| Nov 13, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $18,000 | — | 202511139475 |
| Nov 13, 2025 | ReRoof: re-roofing: remove the existing roofing down to the sheathing board, and the surface will be cleaned, install one ply of app base membrane and install a second ply of certainteed torch down roll gta modified bitumen membrane, we will replace all the roof flashing and roof vents | 1 family dwelling | $18,500 | — | 202511129356 |
| Oct 13, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 1 family dwelling | $9,000 | — | 202510137252 |
| Oct 9, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $3,500 | — | 202510097127 |
| Oct 3, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $7,850 | — | 202510036684 |
| Sep 24, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $20,800 | — | 202509245993 |
| Aug 18, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $17,900 | — | 202508183234 |
| Aug 11, 2025 | ReRoof: re-roof. no hot work. remove front composition shingle. install synthetic underlayment. install solaris dimensional shingle | 1 family dwelling | $6,890 | — | 202508112767 |
| Jul 1, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $28,000 | — | 202507019892 |
| Jun 26, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $24,000 | — | 202506269551 |
| Jun 25, 2025 | otc alterations permit: enclose existing roof deck to enlarge existing bedroom. add bathroom and closet. remodel existing bathroom | 1 family dwelling | $112,000 | — | 202506037816 |
| Jun 2, 2025 | ReRoof: re-roofing. . flat roof remove existing tar and gravel roof to the roof deck and reroof using modifed roofing membrane | 1 family dwelling | $16,000 | — | 202506027726 |
| Jun 2, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $14,000 | — | 202506027656 |
| May 29, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $14,000 | — | 202505297547 |
| May 19, 2025 | ReRoof: reroof w/hot work | 1 family dwelling | $18,000 | — | 202505196720 |
| May 12, 2025 | ReRoof: reroofing | 1 family dwelling | $9,800 | — | 202505126278 |
| Apr 25, 2025 | ReRoof: re-roofing with hot works | 1 family dwelling | $11,000 | — | 202504255222 |
| Apr 18, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $17,000 | — | 202504184783 |
| Mar 21, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 1 family dwelling | $18,980 | — | 202503212745 |
| Mar 4, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $16,000 | — | 202503041532 |
| Feb 24, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $15,000 | — | 202502240893 |
| Feb 15, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $18,121 | — | 202502150444 |
| Feb 14, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $22,000 | — | 202502140426 |
| Feb 14, 2025 | ReRoof: reroof hot work torch down | 2 family dwelling | $18,000 | — | 202502079905 |
| Feb 7, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $4,300 | — | 202502079946 |
| Jan 22, 2025 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $11,000 | — | 202501228861 |
| Jan 3, 2025 | ReRoof: reroofing | 1 family dwelling | $7,500 | — | 202501037681 |
| Jan 3, 2025 | ReRoof: re-roofing with torch down | 2 family dwelling | $24,000 | — | 202501037652 |
| Dec 17, 2024 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $13,000 | — | 202412176998 |
| Dec 13, 2024 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $15,000 | — | 202412136846 |
| Nov 20, 2024 | ReRoof: re-roofing. no hot works | apartments | $14,200 | — | 202411205373 |
| Oct 16, 2024 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $28,000 | — | 202410163047 |
| Oct 8, 2024 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | 2 family dwelling | $17,030 | — | 202410082564 |
Plumbing: 24 permits
From May 29, 2015 to Feb 4, 2026. Fewer than 5 plumbing permits since October 2, 2024 carry a declared value, so no range is computed; the rows are below.
Since October 2, 2024, 4 listed below. Earlier permits, 20, are on their house pages: 2024: 2 · 2023: 1 · 2022: 2 · 2021: 2 · 2020: 1 · 2019: 1 · 2018: 4 · 2017: 1 · 2016: 3 · 2015: 3.
| Issued | Work | Building | Declared value | Contractor as filed | Permit |
|---|---|---|---|---|---|
| Feb 4, 2026 | otc alterations permit: structural, interior remodel to existing bathroom, demo existing tub and convert into a walkin shower in same location and same footprint, install new rough plumbing fixtures, no electrical work | 1 family dwelling | $29,720 | — | 202602045235 |
| Oct 24, 2025 | otc alterations permit: one bathroom remodel remove all finishes replace with new | 1 family dwelling | $50,000 | — | 202510248134 |
| Sep 16, 2025 | otc alterations permit: unit#3: remodel kitchen & 1.5 bath in kind no structural work, plumbing update to current code, electrical by subcontractor permit to be pulled under their licence#745230 | apartments | $79,175 | — | 202509165429 |
| May 16, 2025 | otc alterations permit: remodel kitchen and bathroom - replace finishes and plumbing fixtures - no moving of walls; refinsh hardwood floor within home and replace windows at rear of house only -in kind to meet egress reqs | 1 family dwelling | $61,450 | — | 202505096203 |
Electrical: 15 permits
From Mar 18, 2015 to Aug 26, 2026. Across 5 electrical permits since October 2, 2024, most declared values run from $19,541 to $394,379 (the middle 80%); the median is $45,215 and half fall between $30,102 and $86,400. The lowest on record is $12,500 and the highest $599,698.
Since October 2, 2024, 5 listed below. Earlier permits, 10, are on their house pages: 2024: 3 · 2023: 1 · 2020: 1 · 2017: 2 · 2015: 3.
| Issued | Work | Building | Declared value | Contractor as filed | Permit |
|---|---|---|---|---|---|
| Aug 26, 2026 | additions alterations or repairs: remodel bldg layout by demo e) walls & provide n) structural support. add 2 bedrm & 2 baths to g/f. enclose e) stair area to const a n) interior staircase, install a n) skylight, replace e) ground fl windows w/ n) glazed sliding doors, rewire electrical system & install n) lighting & outlet | 1 family dwelling | $599,698 | — | 202603177728 |
| Nov 17, 2025 | otc alterations permit: kitchen and 1 bath remodel in kind. upgrade all electrical for the entire unit. all work is lcated on 3/f. not moving walls, not changing layouts | 2 family dwelling | $45,215 | — | 202511179718 |
| Sep 10, 2025 | otc alterations permit: full bathroom remodel like for like, all current fixtures to remain in current locations, all walls to remain, new electrical in bathroom only. no change to floor layout. no change to wall layout. no structural work | 1 family dwelling | $30,102 | — | 202509105003 |
| Jul 16, 2025 | otc alterations permit: in-kind remodeling of 2 bathroom in 2nd fl, 3rd fl with 0 shower pan . alteration of service equipment. need a "green tag" for electrical service equipment | 1 family dwelling | $86,400 | — | 202507160993 |
| May 7, 2025 | otc alterations permit: 50% bathroom remodel: new vanity, floor tile, new toilet and new electrical. everything in same location. no work in shower area | 1 family dwelling | $12,500 | — | 202505075953 |
Water heater: 11 permits
From Sep 30, 2016 to Sep 18, 2025. Fewer than 5 water heater permits since October 2, 2024 carry a declared value, so no range is computed; the rows are below.
Since October 2, 2024, 3 listed below. Earlier permits, 8, are on their house pages: 2024: 2 · 2023: 2 · 2021: 1 · 2020: 1 · 2018: 1 · 2016: 1.
| Issued | Work | Building | Declared value | Contractor as filed | Permit |
|---|---|---|---|---|---|
| Sep 18, 2025 | otc alterations permit: revision to pa # 2025-0606-8153. remove wall between living room & dining area. relocate washer at unit 199 on 2nd fl. add furnace to unit 197 on 3rd fl. add doorway to entrance of unit 199 to garage on the ground fl. relocate & renew water heaters | 2 family dwelling | $8,000 | — | 202508284124 |
| Apr 7, 2025 | otc alterations permit: 1st flr- remove and relocate water heater (washer/dryer/demo stair leading to 2nd floor. 2nd floor to remove portion of hallay and wall between nook and kitchen. remove closet between kitchen and master bedroom. remodel kitchen and bathroom. reroof over airwell and bathroom and over | 1 family dwelling | $150,000 | — | 202503111988 |
| Nov 26, 2024 | otc alterations permit: replace gravity furnace with heat pump. replace waterheater in same location and capacity. new electrical for heat pump. replace ductwork in garage | 1 family dwelling | $10,000 | — | 202411265766 |
Heating and cooling: 6 permits
From Feb 10, 2017 to Sep 11, 2026. Fewer than 5 heating and cooling permits since October 2, 2024 carry a declared value, so no range is computed; the rows are below.
Since October 2, 2024, 1 listed below. Earlier permits, 5, are on their house pages: 2023: 1 · 2018: 1 · 2017: 3.
| Issued | Work | Building | Declared value | Contractor as filed | Permit |
|---|---|---|---|---|---|
| Sep 11, 2026 | otc alterations permit: 2 story and 1 story lightwell infill on left south side.1 story lightwell infill north side. dryrot repair frnt stairs. gr fl:provide rms down consist of family rm,bedrm, bath, lndry rm. replce & relcate wtr hter & furnace in garage.2nd fl: relocate kitchen, remodel e bath. novs 202314806,202314741 | 1 family dwelling | $340,000 | — | 202606243862 |
Solar: 2 permits
From Mar 3, 2020 to Aug 25, 2026. Fewer than 5 solar permits since October 2, 2024 carry a declared value, so no range is computed; the rows are below.
Since October 2, 2024, 1 listed below. Earlier permits, 1, are on their house pages: 2020: 1.
| Issued | Work | Building | Declared value | Contractor as filed | Permit |
|---|---|---|---|---|---|
| Aug 25, 2026 | solar permit: mounted: roof, ballasted: n, including 4 energy storage unit, with 4.8 kwh each in capacity, ess units will not be closer than 3 feet | limitless 15k-lv [240v] [si1-sb] + ctsa035-300a/150ma [crd-pcs non-export] renon power technology inc.r-xl 00 | 2 family dwelling | $42,376 | — | S20260410553 |
Addresses on this street with a page
Source
San Francisco Department of Building Inspection, via DataSF, pulled nightly. As of October 2, 2026. Storm dates touching this street will appear here once the hail record is attached.