San Francisco · Treasure Island · Block/lot 8952/001 · San Francisco
Since October 2024 within ½ mile: 1 demolition.
1 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.
5 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.
Source: San Francisco Department of Building Inspection, Building Permits · Geography: permits located by parcel, ½ mile radius · Retrieved Oct 28, 2026
No ADU or new-home permits recorded within ¼ mile in this window.
Permit counts, by the date issued (or applied, if not yet issued). Lot splits are planning cases, which we don't have.
We read public zoning and hazard maps against state law (ADUs: Gov. Code 66314; SB 9: Gov. Code 65852.21 and 66411.7). Local rules, title, tenancy history and site conditions can change the answer. Check with San Francisco's planning department before relying on it.
Sources: San Francisco Planning, Zoning Map – Zoning Districts (retrieved Oct 28, 2026) · CAL FIRE Office of the State Fire Marshal, Fire Hazard Severity Zones in the State Responsibility Area (effective 2024-04-01) (retrieved Oct 26, 2026) · CAL FIRE Office of the State Fire Marshal, Fire Hazard Severity Zones in the Local Responsibility Area (map dated 2025-03-24) (retrieved Oct 26, 2026) · FEMA, National Flood Hazard Layer — flood hazard zones (retrieved Oct 26, 2026) · FEMA, National Flood Hazard Layer — FIRM panels (retrieved Oct 26, 2026) · California Geological Survey, Alquist-Priolo Earthquake Fault Zones (retrieved Oct 26, 2026) · Zoning classes: our classification of YBI-R as multifamily residential, checked against the zone description on Oct 24, 2026
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.
In "Applied" for 7.4 yr (since May 17, 2019), with no new permit record in 7.4 yr. · 11 units · $11,340,000 declared valuation
In "Applied" for 7.4 yr (since May 17, 2019), with no new permit record in 7.4 yr. · 4 units · $3,100,000 declared valuation
1 Clipper Cove Wy · $521,697 valuation
Records span Aug 19, 2026 to Oct 16, 2026 (2 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
36 Meadow Dr · 14 units · $10,350,000 valuation
Records span May 17, 2019 to Apr 25, 2024 (37 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
Remodel / interior alteration permit application filed (202305268711)
Current status: cancelled
priority process per ab004 - deferred submital - yerba buena island and project - parcel 4y: outdoor pool, hydrotherapy spa, sauna and mechanical room for pa 201906032293 (amenity bldg)
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
Remodel / interior alteration permit application filed (202207077890)
Current status: cancelled
towner crane for new construction. pa# 201905170923 (bldg 17). yerba buena island project - parcel 3y
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
Other permit issued (202005147541)
Recorded status: issued
grading & excavation for new yerba buena island construction, reference pa #2019-0517-0923 and pa #2019-0517-0926. · Declared valuation: $985,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
Remodel / interior alteration permit issued (202005147539)
Recorded status: issued
shoring for new yerba buena island construction, reference pa #2019-0517-0923 and pa #2019-0517-0926. · Declared valuation: $832,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
109 Forest Rd · 5 units · 11 affordable · $2,700,000 valuation
Records span Aug 24, 2018 to Apr 29, 2022 (12 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
Remodel / interior alteration permit issued (M1227109)
Recorded status: issued
per pa #201906032293, disable adress 1 signal rd per pa #201905170923, disable adress 3 signal rd al at apn 8952/001 · Declared valuation: $830
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
Remodel / interior alteration permit application filed (M1227109)
Current status: issued
per pa #201906032293, disable adress 1 signal rd per pa #201905170923, disable adress 3 signal rd al at apn 8952/001 · Declared valuation: $830
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
Remodel / interior alteration permit application filed (202005147539)
Current status: issued
shoring for new yerba buena island construction, reference pa #2019-0517-0923 and pa #2019-0517-0926. · Declared valuation: $832,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
Other permit application filed (202005147541)
Current status: issued
grading & excavation for new yerba buena island construction, reference pa #2019-0517-0923 and pa #2019-0517-0926. · Declared valuation: $985,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
New commercial / non-residential building permit application filed (201906032293)
Current status: filed
yerba buena island project. to erect a type v-b, 2-story amenity building with one basement. · Declared valuation: $2,660,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
201 Forest Rd · 4 units · $3,100,000 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
New multifamily / condos / mixed-use permit application filed (201905170923)
Current status: filed
yerba buena island project. to erect 4 stories, no basement, type iii-a, of a total 11 units at buildings 17ab. · Declared valuation: $11,340,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
New multifamily / condos / mixed-use permit application filed (201905170926)
Current status: withdrawn
yerba buena island project. bldg# 18 (3y). to erect 4 stories, no basement, type iii-a, 6 units residential townhouse. · Declared valuation: $6,400,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
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 "Applied" for 7.4 yr (first record May 17, 2019) with no new permit activity recorded in 7.4 yr. High-impact scale (11 housing units, $11,340,000 declared valuation across 8 permits).
Active in "Applied" for 7.4 yr (first record May 17, 2019) with no new permit activity recorded in 7.4 yr. High-impact scale (4 housing units, $3,100,000 declared valuation across 2 permits).
High-impact scale (14 housing units, $10,350,000 declared valuation across 37 permits).
High-impact scale (5 housing units, 11 deed-restricted affordable, $2,700,000 declared valuation across 12 permits).
High-impact scale ($3,000,000 declared valuation across 1 permit).
Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 190 parcels
Small prior baseline
City baseline: 90.9 / 1k
15 in trailing 24m
Includes 0 ADUs
HUD Metro Fair Market Rent · San Francisco, CA HUD Metro FMR Area
HUD FY 2026 · 40th-percentile gross rentCensus ACS 5-year median gross rent (all bedroom counts combined):
Area home-value benchmarks (not an appraisal)
ZIP & neighborhood mediansUnder California Proposition 13, the seller's historical assessed value does not carry over to a buyer. On sale, the parcel is reassessed at the purchase price: 1.00% base rate ($5,500/yr) + local voter-approved bond debt ($990/yr) + fixed direct levies/Mello-Roos ($450/yr).
Insurance & hazard context:
−$8,856/yr
Cash needed: $121,000
NOI: $24,517/yr
P&I: $2,781/mo
For $0/mo net cash flow
At $3,600/mo rent
| Scenario | Assumptions | Year 1 Rent | Year 1 Cash Flow | Cash-on-Cash | Break-Even Rent | Year 5 Cash Flow |
|---|---|---|---|---|---|---|
| Conservative | −8% starting rent, +3% vacancy, +3% combined maintenance/CapEx, 1.5%/yr rent growth | $3,312/mo | −$1,152/mo | -11.4% | $4,920/mo | −$1,068/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,600/mo | −$738/mo | -7.3% | $4,554/mo | −$450/mo |
| Optimistic (cap-limited) | +6% starting rent, 3% vacancy, 4.2%/yr rent growth (capped by local ordinance ceiling of 4.2%/yr) | $3,816/mo | −$501/mo | -5.0% | $4,448/mo | −$21/mo |
Rental regulatory context (informational only — not legal advice):
California AB 1482 (Tenant Protection Act, Civ. Code § 1947.12) caps annual rent increases at 5% + local CPI (max 10%) on covered properties. In San Francisco: San Francisco Rent Ordinance (Admin. Code Ch. 37) — annual allowable increase is 60% of Bay Area CPI (capped at 7%) for covered pre-June 1979 buildings. Official program rules ↗
Applied11 unitsMay 17, 2019 – Jun 3, 2019
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
priority process per ab004 - deferred submital - yerba buena island and project - parcel 4y: outdoor pool, hydrotherapy spa, sauna and mechanical room for pa 201906032293 (amenity bldg)
towner crane for new construction. pa# 201905170923 (bldg 17). yerba buena island project - parcel 3y
grading & excavation for new yerba buena island construction, reference pa #2019-0517-0923 and pa #2019-0517-0926.
shoring for new yerba buena island construction, reference pa #2019-0517-0923 and pa #2019-0517-0926.
per pa #201906032293, disable adress 1 signal rd per pa #201905170923, disable adress 3 signal rd al at apn 8952/001
yerba buena island project. to erect a type v-b, 2-story amenity building with one basement.
yerba buena island project. bldg# 18 (3y). to erect 4 stories, no basement, type iii-a, 6 units residential townhouse.
yerba buena island project. to erect 4 stories, no basement, type iii-a, of a total 11 units at buildings 17ab.
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel (APN) · Retrieved Oct 28, 2026 · Filed, issued, and status dates come from the Department of Building Inspection, which dates each status change.
No housing activity reported to the State for this parcel (2018–2025 reports).
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 28, 2026
15 SIGNAL RD; 1 SIGNAL RD; 3 SIGNAL RD
Source: San Francisco Planning / DataSF, Parcels – Active and Retired · Geography: parcel · Retrieved Oct 28, 2026
Zoning, permits, planning cases, and assessor data for this lot (SF Planning)
Look up block/lot 8952/001. Assessed value is not market value.
Search by block/lot 8952/001 (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.