San Francisco · Outer Mission · Block/lot 3146/040 · San Francisco
Since October 2024 within ½ mile: 55 homes completed, 9 permitted, 7 proposed or in review (12 of them deed-restricted affordable); 1 commercial or mixed-use project.
23 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.
712 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.
$1,353,000
Benchmark range: $1,150,000 – $1,556,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: permits located by parcel, ½ mile radius · Retrieved Oct 28, 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 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 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.
In "Applied" for 8 mo (since Mar 3, 2026), with no new permit record in 8 mo. · 1 unit · $10,000 declared valuation
In "Entitled" for 4.4 yr (since May 19, 2022), with no new permit record in 4.4 yr. · 35 units
Permit issued and active for 6.8 yr (first record Jan 16, 2020), with no completion or new permit record in 4.3 yr. · 3 units · $1,200,000 declared valuation
In "Applied" for 4.1 yr (since Sep 16, 2022), with no new permit record in 4.1 yr. · 1 unit · $30,000 declared valuation
In "Applied" for 3.9 yr (since Nov 18, 2022), with no new permit record in 3.9 yr. · 1 unit · $30,000 declared valuation
Permit issued and active for 5 yr (first record Oct 13, 2021), with no completion or new permit record in 3.7 yr. · 1 unit · $63,653 declared valuation
Nearby remodel / interior alteration (4788 Mission St): Status changed from issued to complete
Record 202402095627 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (4796 Mission St): Status changed from issued to expired
Record 201708296195 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby repair tied to a housing/code case (4796 Mission St): Status changed from issued to expired
Record 202508072594 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (370 Edinburgh St): Status changed from issued to complete
Record 202608196856 · 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
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)
83 Lisbon St · 1 unit · $150,000 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
81 Delano Ave · 1 unit · $90,864 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1 Sgt John V Young St · $15,000,000 valuation
Records span Dec 29, 2022 to Mar 31, 2026 (2 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
39 Santa Rosa Ave · 2 units · $1 valuation
Records span Oct 29, 2021 to Mar 3, 2026 (3 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
Accessory dwelling unit (new or conversion) permit application filed (202602035149)
Current status: filed
convert (e) rooms down that have been approved under previous permit to an adu at the 1st floor level. add wall & continue cabinets at approved kitchenette only to create separation for adu. · Declared valuation: $10,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
201 Onondaga Ave · 1 unit · $163,000 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
99 Onondaga Ave · 2 units · $360,000 valuation
Records span Jan 30, 2025 to Jan 21, 2026 (1 permit).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
Remodel / interior alteration permit application filed (202512020739)
Current status: issued
to obtain final inspection for work approved under pa# 202403127601. all work is complete. · Declared valuation: $1
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
Remodel / interior alteration permit issued (202512020739)
Recorded status: issued
to obtain final inspection for work approved under pa# 202403127601. all work is complete. · Declared valuation: $1
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 "Entitled" for 3.6 yr (first record Mar 23, 2023) with no new permit activity recorded in 3.6 yr. High-impact scale (69 housing units, 17 deed-restricted affordable across 0 permits).
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 6.8 yr (first record Jan 16, 2020) with no new permit activity recorded in 4.3 yr. High-impact scale (3 housing units, $1,200,000 declared valuation across 2 permits).
Active in "Entitled" for 2.6 yr (first record Mar 12, 2024) with no new permit activity recorded in 2.6 yr. High-impact scale (8 housing units across 0 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).
Active in "Entitled" for 2.4 yr (first record May 16, 2024) with no new permit activity recorded in 2.4 yr.
Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 5,443 parcels
+14.1% YoY
City baseline: 90.9 / 1k
182 in trailing 24m
Includes 14 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 ($13,550/yr) + local voter-approved bond debt ($2,439/yr) + fixed direct levies/Mello-Roos ($450/yr).
Insurance & hazard context:
−$67,202/yr
Cash needed: $298,100
NOI: $15,018/yr
P&I: $6,852/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 | −$6,014/mo | -24.2% | $11,706/mo | −$5,995/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,600/mo | −$5,600/mo | -22.5% | $10,835/mo | −$5,377/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 | −$5,363/mo | -21.6% | $10,584/mo | −$4,949/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 ↗
Applied1 unitsMar 3, 2026 – Mar 3, 2026
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
convert (e) rooms down that have been approved under previous permit to an adu at the 1st floor level. add wall & continue cabinets at approved kitchenette only to create separation for adu.
to obtain final inspection for work approved under pa# 202403127601. all work is complete.
to obtain a final inspection for work approved under pa# 202310279649. all work complete.
revision to 202308144388 & 202310279649. remodel 2nd fl, in fill northern lightwell, alter to southern lightwell & add new rear yard deck at 2nd fl
revision to 202308144388 & 202310279649. remodel 2nd fl modify walls, reconfigure kitchen & bath room. modify 1st fl plam. add new stair to replace existing
remodel of (e) 2/f. no alteration to the building envelope. changes include remodel of kitchen, livingroom, creation of new bathroom and replacing stair (interior). remove one window (not visible from street) at south lightwell.
revision to pa# 202308144388: replace foundation due to concrete failure and modify plan.
rooms down permit. expand extg 2nd floor down to ground level/garage/storage level. add 2 bedrooms and bathroom
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
766 CAYUGA AVE
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 3146/040. Assessed value is not market value.
Search by block/lot 3146/040 (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.