San Francisco · West of Twin Peaks · Block/lot 3181/034 · San Francisco
Since October 2024 within ½ mile: 1 homes completed, 170 permitted, 418 proposed or in review (184 of them deed-restricted affordable); 1 commercial or mixed-use project.
17 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.
702 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.
$1,807,000
Benchmark range: $1,536,000 – $2,078,000
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-1 as single-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 2.6 yr (first record Mar 11, 2024), with no completion or new permit record in 2.6 yr. · 1 unit
Permit issued and active for 8.7 yr (first record Feb 15, 2018), with no completion or new permit record in 7.2 yr. · 1 unit · $120,000 declared valuation
In "Applied" for 7.3 yr (since Jul 19, 2019), with no new permit record in 6.8 yr. · 5 units · $3,640,657 declared valuation
Permit issued and active for 7.8 yr (first record Jan 22, 2019), with no completion or new permit record in 6.6 yr. · 1 unit · $80,000 declared valuation
In "Applied" for 5.9 yr (since Nov 17, 2020), with no new permit record in 5.9 yr. · 1 unit · $5,000 declared valuation
Permit issued and active for 7 yr (first record Nov 4, 2019), with no completion or new permit record in 5.6 yr. · 1 unit · $50,000 declared valuation
Nearby windows / doors / siding (237 Onondaga Av): Status changed from issued to complete
Record 202608116398 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby plan revision / deferred submittal (237 Onondaga Av): Status changed from issued to complete
Record 202608186800 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (757 Monterey Bl): Status changed from filed to issued
Record 202609238542 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (757 Monterey Bl): Issued date changed from (blank) to 2026-10-26
Record 202609238542 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby hvac / heat pump (327 Staples Av): Description text was updated
Record 202603308539 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby plan revision / deferred submittal (391 Joost Av): First appeared in published agency feed
Record 202604239950 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (650 Joost Av): Status changed from filed to issued
Record 202609118042 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (650 Joost Av): Issued date changed from (blank) to 2026-10-23
Record 202609118042 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (757 Monterey Bl): Description text was updated
Record 202609238542 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby hvac / heat pump (201 Gennessee St): Status changed from filed to issued
Record 202610099258 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby hvac / heat pump (201 Gennessee St): Issued date changed from (blank) to 2026-10-22
Record 202610099258 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby hvac / heat pump (201 Gennessee St): Declared valuation changed from 100000 to 75000
Record 202610099258 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (428 Otsego Av): First appeared in published agency feed
Record 202610239837 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
841 Ocean Ave · 1 unit · $298,934 valuation
Records span Aug 28, 2024 to Oct 8, 2026 (2 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
135 Hearst Ave · 1 unit · $240,000 valuation
Records span Sep 8, 2022 to Sep 18, 2026 (1 permit).
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 "Issued" for 2.6 yr (first record Mar 11, 2024) with no new permit activity recorded in 2.6 yr.
Active in "Entitled" for 4.4 yr (first record May 19, 2022) with no new permit activity recorded in 4.4 yr. High-impact scale (35 housing units, 6 deed-restricted affordable across 0 permits).
Active in "Issued" for 4.8 yr (first record Jan 20, 2022) with no new permit activity recorded in 4.8 yr. High-impact scale (4 housing units across 0 permits).
Active in "Applied" for 7.3 yr (first record Jul 19, 2019) with no new permit activity recorded in 6.8 yr. High-impact scale (5 housing units, $3,640,657 declared valuation across 2 permits).
Active in "Issued" for 4.4 yr (first record Jun 17, 2022) with no new permit activity recorded in 11 mo. High-impact scale (159 housing units, 184 deed-restricted affordable, $97,000,000 declared valuation across 8 permits).
Active in "Issued" for 3.8 yr (first record Dec 29, 2022) with no new permit activity recorded in 7 mo. High-impact scale ($15,000,000 declared valuation across 2 permits).
Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 13,217 parcels
+15.6% YoY
City baseline: 91.1 / 1k
843 in trailing 24m
Includes 28 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 ($18,050/yr) + local voter-approved bond debt ($3,249/yr) + fixed direct levies/Mello-Roos ($450/yr).
Insurance & hazard context:
−$99,817/yr
Cash needed: $397,100
NOI: $9,708/yr
P&I: $9,127/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 | −$8,732/mo | -26.4% | $15,500/mo | −$8,750/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,600/mo | −$8,318/mo | -25.1% | $14,347/mo | −$8,132/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 | −$8,081/mo | -24.4% | $14,014/mo | −$7,703/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 ↗
Issued1 unitsMar 11, 2024 – Mar 11, 2024
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
to obtain final inspection for work approved under pa#201508123993. all work is complete.
to obtain final inspection for work approved under pa# 201508123993 and 202407156500. all work is complete.
revision to pa# 2015-0812-3993 remove and replace foundation near front right portion of storage room at ground fl. add sheet s0,s0.1,s1,s2
remove (e) roofing materials, and install new composition shnigles
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 |
|---|---|---|---|---|---|---|
| 2024 | —(201508123993) | ADU · Renter | — | 1 (Mar 11, 2024) | — | — |
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
277 JUDSON AVE
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 3181/034. Assessed value is not market value.
Search by block/lot 3181/034 (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.