San Francisco · Potrero Hill · Block/lot 4282A/001C · San Francisco
Since October 2024 within ½ mile: 171 homes completed, 36 permitted, 37 proposed or in review (169 of them deed-restricted affordable); 7 demolitions; 1 commercial or mixed-use project.
30 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.
651 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.
$1,515,000
Benchmark range: $1,288,000 – $1,742,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: permits located by parcel, ½ mile radius · Retrieved Oct 29, 2026
Public-records benchmark estimate combining Zillow Home Value Index (Data provided by Zillow), Census ACS 5-year estimates, parcel land-use/lot characteristics, and issued building permits. Not an official appraisal.
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 29, 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 RH-2 as two-family 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.
Permit issued and active for 9.9 yr (first record Dec 15, 2016), with no completion or new permit record in 5.9 yr. · 2 units · $1,274,763 declared valuation
In "Entitled" for 22 mo (since Jan 6, 2025), with no new permit record in 22 mo. · 4 units
Permit issued and active for 9.9 yr (first record Dec 16, 2016), with no completion or new permit record in 4.5 yr. · 8 units · $250,000 declared valuation
Permit issued and active for 7.6 yr (first record Mar 14, 2019), with no completion or new permit record in 4.5 yr. · 1 unit · $92,000 declared valuation
In "Approved" for 4.3 yr (since Jun 23, 2022), with no new permit record in 4.3 yr. · 2 units · $2,000,000 declared valuation
In "Approved" for 4.3 yr (since Jun 23, 2022), with no new permit record in 4.3 yr. · 2 units · $2,000,000 declared valuation
Nearby plumbing / water heater / sewer (301 Toland St): Status changed from suspend to cancelled
Record 202208180778 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby general repair (1403 San Bruno Av): Status changed from suspend to cancelled
Record 202204283245 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby plumbing / water heater / sewer (1670 York St): Status changed from issued to complete
Record 202512041009 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (2207a 25th St): First appeared in published agency feed
Record 202610279968 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (1266 Vermont St): First appeared in published agency feed
Record 202610280051 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby windows / doors / siding (35 Brewster St): Status changed from issued to complete
Record 202510217839 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby plumbing / water heater / sewer (1229 Rhode Island St): First appeared in published agency feed
Record 202610229757 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
919 Vermont St · 1 unit · $120,400 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1090 Hampshire St · 2 units · $323,061 valuation
Records span Jan 7, 2026 to Jun 4, 2026 (2 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
700 Missouri St · $60,000 valuation
Records span Sep 3, 2025 to Apr 30, 2026 (7 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1 Watchman Wy · $60,000 valuation
Records span Mar 9, 2026 to Apr 30, 2026 (6 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1 Turner Tr · $60,000 valuation
Records span Apr 3, 2026 to Apr 30, 2026 (6 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
97 Watchman Wy · $60,000 valuation
Records span Apr 3, 2026 to Apr 30, 2026 (1 permit).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
901 Missouri St · $60,000 valuation
Records span Apr 3, 2026 to Apr 30, 2026 (1 permit).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
0 Situs To Be Assigned · $60,000 valuation
Records span Apr 3, 2026 to Apr 30, 2026 (3 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
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 "Entitled" for 22 mo (first record Jan 6, 2025) with no new permit activity recorded in 22 mo. High-impact scale (4 housing units across 0 permits).
Active in "Issued" for 9.9 yr (first record Dec 15, 2016) with no new permit activity recorded in 5.9 yr. High-impact scale (2 housing units, $1,274,763 declared valuation across 2 permits).
Active in "Entitled" for 20 mo (first record Mar 12, 2025) with no new permit activity recorded in 20 mo. High-impact scale (25 housing units, 6 deed-restricted affordable across 0 permits).
Active in "Issued" for 5.7 yr (first record Mar 3, 2021) with no new permit activity recorded in 19 mo. High-impact scale (25 housing units, 6 deed-restricted affordable, $5,000,000 declared valuation across 2 permits).
Active in "Approved" for 2.9 yr (first record Dec 15, 2023) with no new permit activity recorded in 2.9 yr. High-impact scale ($20,900,000 declared valuation across 6 permits).
Active in "Applied" for 12 mo (first record Oct 22, 2025) with no new permit activity recorded in 12 mo. High-impact scale (2 housing units, $1,950,000 declared valuation across 2 permits).
Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 2,930 parcels
+29.5% YoY
City baseline: 91.1 / 1k
296 in trailing 24m
Includes 6 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 ($15,150/yr) + local voter-approved bond debt ($2,727/yr) + fixed direct levies/Mello-Roos ($450/yr).
Insurance & hazard context:
−$78,798/yr
Cash needed: $333,300
NOI: $13,130/yr
P&I: $7,661/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 | −$6,980/mo | -25.1% | $13,055/mo | −$6,975/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,600/mo | −$6,567/mo | -23.6% | $12,084/mo | −$6,357/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 | −$6,329/mo | -22.8% | $11,803/mo | −$5,928/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 ↗
Entitled4 unitsJan 6, 2025 – Jan 6, 2025
Issued2 unitsDec 15, 2016 – Dec 14, 2020
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
altered site permit to #201612155108. pursuant to fourplex legislation/density exceptions. (a 4-story over 1 basement residential bldg, type va).
to erect a 3 story/1 basement building consisting of 2-family dwelling units.
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel (APN) · Retrieved Oct 29, 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 |
|---|---|---|---|---|---|---|
| 2025 | 1440 De Haro Street(2023-008191PRJ) | 2 to 4 · Renter | 4 (Jan 6, 2025) | — | — | — |
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 29, 2026
1440 DE HARO ST
Source: San Francisco Planning / DataSF, Parcels – Active and Retired · Geography: parcel · Retrieved Oct 29, 2026
Zoning, permits, planning cases, and assessor data for this lot (SF Planning)
Look up block/lot 4282A/001C. Assessed value is not market value.
Search by block/lot 4282A/001C (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.