San Francisco · Treasure Island · Block/lot 1939/001 · San Francisco
Since October 2024 within ½ mile: 295 homes completed, 250 permitted (123 of them deed-restricted affordable); 1 demolition; 1 commercial or mixed-use project.
6 projects with a record in this window, grouped by us from permits and State housing reports. Units are as proposed on each project's latest record and counted at its current stage.
52 permits within ½ mile since October 2024
The map shows new construction, ADUs, demolitions, additions, and renovations. Routine systems work (roofs, HVAC, water heaters) is counted but not mapped. Unit counts are as stated on permits.
Chronological history of building permit applications and issuances, snapshot-dated status changes, State housing entitlements, surrounding development within ½ mile, and area home-value trends.
Permit issued and active for 2 yr (first record Oct 16, 2024), with no completion or new permit record in 10 mo. · 100 units · $40,000,000 declared valuation
In "Applied" for 6.9 yr (since Dec 13, 2019), with no new permit record in 6.9 yr. · 85 units · $75,800,000 declared valuation
Permit issued and active for 5.1 yr (first record Oct 4, 2021), with no completion or new permit record in 4.4 yr. · $208,000 declared valuation
Permit issued and active for 5.1 yr (first record Oct 4, 2021), with no completion or new permit record in 3.5 yr. · $600,000 declared valuation
In "Approved" for 2.8 yr (since Jan 4, 2024), with no new permit record in 2.8 yr. · $384,560 declared valuation
Permit issued and active for 9.9 yr (first record Dec 20, 2016), with no completion or new permit record in 2.6 yr. · $500,000 declared valuation
Nearby remodel / interior alteration (449 Avenue H): First appeared in published agency feed
Record 202610290066 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby electrical / panel (449 Avenue H): First appeared in published agency feed
Record 202610290073 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (449 Avenue H): First appeared in published agency feed
Record 202610239811 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
401 California Ave · 150 units · $79,391,871 valuation
Records span Jul 15, 2025 to Jul 1, 2026 (1 permit).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1 Ave Of The Palms · 117 units · 114 affordable · $55,000,000 valuation
Records span Oct 22, 2018 to May 6, 2026 (44 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
449 Ave H · $31,100,000 valuation
Records span Apr 24, 2025 to Jan 6, 2026 (8 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
New multifamily / condos / mixed-use permit issued (202507090404)
Recorded status: issued
priority 100% affortable project - erect a 5-story, no basement, type ii-a, 100 units of affordable senior housing with associated community and management spaces. (r-2,s-2,b) · Declared valuation: $40,000,000 · 100 housing units
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
29 Ave G · $15,000 valuation
Records span Mar 24, 2025 to Dec 30, 2025 (4 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
New multifamily / condos / mixed-use permit application filed (202507090404)
Current status: issued
priority 100% affortable project - erect a 5-story, no basement, type ii-a, 100 units of affordable senior housing with associated community and management spaces. (r-2,s-2,b) · Declared valuation: $40,000,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
New multifamily / condos / mixed-use permit issued (202403258532)
Recorded status: issued
mayoral ed 13-01/17-02: erect new 6-story bldg. levels 02-06 provides 120 residential sleeping units, group training rooms & therapist offices to support the residential use. level 01 amenities include a full service kitchen, dining, staff lounge, fitness, multipurpose rooms, & outdoor space. · Declared valuation: $40,000,000 · 120 housing units
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
55 Bruton St · 178 units · 9 affordable · $84,400,000 valuation
Records span Dec 16, 2019 to Jan 30, 2025 (11 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
New multifamily / condos / mixed-use permit application filed (202403258532)
Current status: issued
mayoral ed 13-01/17-02: erect new 6-story bldg. levels 02-06 provides 120 residential sleeping units, group training rooms & therapist offices to support the residential use. level 01 amenities include a full service kitchen, dining, staff lounge, fitness, multipurpose rooms, & outdoor space. · Declared valuation: $40,000,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
44 Treasure Island Rd · $500,000 valuation
Records span Dec 20, 2016 to Mar 28, 2024 (4 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
600 Portway Pg · $384,560 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
Source: San Francisco Department of Building Inspection, Building Permits · Geography: permits located by parcel, ½ mile radius · Retrieved Oct 30, 2026
Cross-referenced intelligence from our historical development graph—connecting parcels, permits, entity-resolved builders, empirical review-time distributions, and neighborhood renovation trends.
Explore full San Francisco development graph →Active in "Issued" for 2 yr (first record Oct 16, 2024) with no new permit activity recorded in 10 mo. High-impact scale (100 housing units, $40,000,000 declared valuation across 2 permits).
High-impact scale (178 housing units, 9 deed-restricted affordable, $84,400,000 declared valuation across 11 permits).
Active in "Applied" for 6.9 yr (first record Dec 13, 2019) with no new permit activity recorded in 6.9 yr. High-impact scale (85 housing units, $75,800,000 declared valuation across 3 permits).
High-impact scale (9 housing units, $2,000,000 declared valuation across 9 permits).
Active in "Issued" for 18 mo (first record Apr 24, 2025) with no new permit activity recorded in 10 mo. High-impact scale ($31,100,000 declared valuation across 8 permits).
Active in "Entitled" for 2.5 yr (first record May 16, 2024) with no new permit activity recorded in 2.5 yr.
Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 190 parcels
Small prior baseline
City baseline: 91.1 / 1k
15 in trailing 24m
Includes 0 ADUs
Issued100 unitsOct 16, 2024 – Jan 5, 2026
Finaled / completed178 units9 deed-restrictedDec 16, 2019 – Jan 30, 2025
Finaled / completed9 unitsJan 4, 2016 – Aug 9, 2019
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
priority 100% affortable project - erect a 5-story, no basement, type ii-a, 100 units of affordable senior housing with associated community and management spaces. (r-2,s-2,b)
mayoral ed 13-01/17-02: erect new 6-story bldg. levels 02-06 provides 120 residential sleeping units, group training rooms & therapist offices to support the residential use. level 01 amenities include a full service kitchen, dining, staff lounge, fitness, multipurpose rooms, & outdoor space.
parcel c2.1 - shoring companion permit associated with building parcel c2.2 (55-77 bruton st under pa# 202205174388.
parcel c2.4- production pile submission associated with new building under 201912169619.
900 avenue d, bldg #33a/ treasture island- kitchen remodel. no exterior work. (e) kitchen of treasure island school (closed). remodeled appliances replaced in-kind. epoxy repair to concrete floor. mep by others.
tida project. building 69. to demolish a type 5-b, 1-story bldg.
tida project. building 342. to demolish a a type 5-b, 1-story bldg.
building 343. to demolish a type 5-b, 1-story bldg.
tida project. building 344. to demolish a type 5-b, 1-story bldg.
tida project. building 458. to demolish a type 3-b, 1-story bldg.
tida project. hydraulic training school. to demolish a type 1-b, 1-story bldg.
install new fire water service undergrounf including 1 back floe preventer and fire riser. no inside bld work sprinkler permit # 201806050966.
install fire sprinklers for new dormitory per nfpa 13. underground and sprinkler monitoring separate permit ref 201706290654- hydro required.
demolish treasure island buildings 215, 216, 330, 670, 671. type v-b, 3-b, 1-a, 1-b. warehouse/office vacant building demolition for preparation of pad for new treasure island waste water treatment facility. 850 10th st, 880 ave m, 950 ave n, 1080 ave m.
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel (APN) · Retrieved Oct 30, 2026 · Filed, issued, and status dates come from the Department of Building Inspection, which dates each status change.
| Report year | Project / record | Type | Entitled | Permitted | Completed | Deed-restricted |
|---|---|---|---|---|---|---|
| 2019 | —(201706290654) | 5+ · Renter | — | — | 9 (Aug 9, 2019) | — |
Source: California HCD, Housing Element Annual Progress Report — Table A2 · Geography: project (parcel) · Retrieved Oct 26, 2026 · From San Francisco's Housing Element Annual Progress Reports. A project can appear in several report years as it moves from entitlement to permit to completion.
Source: San Francisco Planning, Zoning Map – Zoning Districts · Geography: zoning district polygon at parcel point · Retrieved Oct 30, 2026
150 04TH TI ST UNIT BLDG 449
Source: San Francisco Planning / DataSF, Parcels – Active and Retired · Geography: parcel · Retrieved Oct 30, 2026
Zoning, permits, planning cases, and assessor data for this lot (SF Planning)
Look up block/lot 1939/001. Assessed value is not market value.
Search by block/lot 1939/001 (SF Treasurer & Tax Collector)
Search building permits, complaints, and inspections by address or block/lot
The official flood hazard map for this location. Our reading of it is under What could be built here.
This site does not show owner names.
demolish treasure island builidngs 215, 216, 330, 670, 671, type vb,3b,1a,1b, warehouse/office vacant building. demolition for preparation of pad for new treasure island wastewater treatment facility.
installation of temporary public art sculpture in private property pursuant to lease agreement with tida
stormwater control plan
as built drawings for app#201612165181. n/a for maher
erect 1 stories 9 dwelling units type 5 construction for student dormitory. n/a for maher ordinance.
permit requested by health inspector for administrative review to open snack shop, 8'x14'. maher na
revised pa#201706220146, add coverage to ducts, redesigned piping, change k guard and pull station location. n/a ordinance #155-13//mep issued #201710121141
mechanical/electrical (me) drawings for pa 2016-1216-5181. n/a ordinance #155-13
demo (e) play structure & construct (n) play structure in its place. (n) accessible path of travel to (n) play structure. location is at treasure island.
101 ninth ave: treasure island: set-up temp construction trailers & hook-up power.
furnish & install one ansul r102 fire suppression system in th emain kitchen area. ref #201612165181 (under 699 avenue of the palms). n/a maher ordinance
demolition of 2 concrete infills on battery st and 1 conc infill on halleck ally. new storefrontin openings to match adjacent storefront
placement of temporary shipping container restuarant mep scope of work to be complete under sep permit. maher
unit a & c: water damage to exterior wall remove and replace joists & 2x4 framing. some sheetrock cabinets & floor sheeting. half inch exterior sheer and patch stucco. n/a maher
install ada compliant ramp at entrance to property
installed a kitchen automatic fire suppression system to the cooking hood. n/a maher ordinance
add new office at existing multi purpose room, add high efficiently fluorescent lighting, supply ventilation to new addition; maher n/a
voluntary upgrade fire alarm communication technology.
voluntary upgrade of fire alarm communication technology. n/a for maher
add generator to (e) verizon wireless facility @ pa# 2015/08/13/4144. ** maher: n/a **
reference pa 2016-01136986, temporary platform (floor) - date from: 1/22/16 thru 2/9/2016. maher na
lantier tent structures will be providing the tent (shell only) 131'x197' for the nfl's commisioners party at one avenue of the palms (parking lot)treasure island.installation 1/25/16-2/4/16 for an event date of 2/5/16, removal will take place from 2/6/16-2/9/16; maher n/a
revision to pa#2015-1217-5369 to correct address to 1419 striped bass. n/a for maher.
fire damage new interior finishes less kitchen and living room. replace like and kind 4x6 beam at rear patio supporting rear balcony above. no plans reqd. n/a maher ord. 155-13
geotechnical mitigation improvements