San Francisco · Inner Sunset · Block/lot 1858/005B · San Francisco
Since October 2024 within ½ mile: 17 homes completed, 13 permitted, 11 proposed or in review.
27 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.
1,044 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.
$1,719,000
Benchmark range: $1,461,000 – $1,977,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: permits located by parcel, ½ mile radius · Retrieved Oct 30, 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 30, 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.
In "Applied" for 7.5 yr (since May 7, 2019), with no new permit record in 7.5 yr. · 1 unit · $49,500 declared valuation
Permit issued and active for 7.6 yr (first record Apr 8, 2019), with no completion or new permit record in 4.6 yr. · 1 unit · $60,000 declared valuation
Permit issued and active for 6.8 yr (first record Jan 10, 2020), with no completion or new permit record in 4.5 yr. · 1 unit · $82,315 declared valuation
In "Applied" for 4 yr (since Oct 27, 2022), with no new permit record in 4 yr. · 1 unit · $78,313 declared valuation
In "Applied" for 4 yr (since Nov 9, 2022), with no new permit record in 4 yr. · 1 unit · $150,000 declared valuation
In "Applied" for 7.9 yr (since Dec 14, 2018), with no new permit record in 3.9 yr. · 1 unit · $1,000,000 declared valuation
Nearby repair tied to a housing/code case (1030 Irving St): Status changed from issued to expired
Record 202407297479 · 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 (1030 Irving St): Status changed from issued to expired
Record 202402125734 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Record 202605141234 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby windows / doors / siding (230 Noriega St): Declared valuation changed from 0 to 330000
Record 202607245546 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (1869 Funston Av): Declared valuation changed from 175477 to 133051
Record 202610139348 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (1243 15th Av): First appeared in published agency feed
Record 202610290101 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby windows / doors / siding (230 Noriega St): Description text was updated
Record 202607245546 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby solar / battery storage (1833 11th Av): Status changed from issued to complete
Record S20260908733 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby addition (adds square footage) (1582 Funston Av): Declared valuation changed from 0 to 117000
Record 202610269896 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby plan revision / deferred submittal (1360 09th Av): First appeared in published agency feed
Record 202610280004 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby plan revision / deferred submittal (601 Moraga St): Declared valuation changed from 0 to 16000
Record 202610018881 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby addition (adds square footage) (1582 Funston Av): First appeared in published agency feed
Record 202610269896 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (1433 17th Av): First appeared in published agency feed
Record 202610269910 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby fire alarm / sprinkler (1653 16th Av): Status changed from filed to issued
Record 202603187792 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby fire alarm / sprinkler (1653 16th Av): Issued date changed from (blank) to 2026-10-23
Record 202603187792 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff 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 "Applied" for 7.5 yr (first record May 7, 2019) with no new permit activity recorded in 7.5 yr.
Active in "Issued" for 3.5 yr (first record Apr 27, 2023) with no new permit activity recorded in 17 mo. High-impact scale (1 housing unit, $1,438,000 declared valuation across 5 permits).
Active in "Applied" for 3.8 yr (first record Dec 28, 2022) with no new permit activity recorded in 23 mo. High-impact scale (4 housing units, $200,000 declared valuation across 1 permit).
Active in "Issued" for 9.3 yr (first record Jul 13, 2017) with no new permit activity recorded in 21 mo. High-impact scale (4 housing units, $4,281,550 declared valuation across 3 permits).
Active in "Applied" for 7.9 yr (first record Dec 14, 2018) with no new permit activity recorded in 3.9 yr. High-impact scale (1 housing unit, $1,000,000 declared valuation across 5 permits).
High-impact scale (2 housing units, $1,408,960 declared valuation across 2 permits). valuation changed to "40000" in snapshot Oct 30, 2026.
Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 6,600 parcels
+23.2% YoY
City baseline: 91.1 / 1k
442 in trailing 24m
Includes 13 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 ($17,200/yr) + local voter-approved bond debt ($3,096/yr) + fixed direct levies/Mello-Roos ($450/yr).
Insurance & hazard context:
−$93,656/yr
Cash needed: $378,400
NOI: $10,711/yr
P&I: $8,697/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 | −$8,218/mo | -26.1% | $14,784/mo | −$8,229/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,600/mo | −$7,805/mo | -24.8% | $13,684/mo | −$7,612/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 | −$7,567/mo | -24.0% | $13,366/mo | −$7,183/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 unitsMay 7, 2019 – May 7, 2019
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
reroofing
2 story rear-yard horizontal addition to an existing 3 story, 2 family bldg. the new addition and partially the existing ground level will be utilized by an ew 2 story auxiliary dwelling unit per ordinance 162-16.
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.
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 30, 2026
1527 12TH AVE; 1529 12TH AVE
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 1858/005B. Assessed value is not market value.
Search by block/lot 1858/005B (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.