San Francisco · Sunset/Parkside · Block/lot 1802/042 · San Francisco
Since October 2024 within ½ mile: 12 homes completed, 9 permitted, 1 proposed or in review.
15 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.
417 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.
$1,522,000
Benchmark range: $1,294,000 – $1,750,000
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 5.9 yr (since Dec 1, 2020), with no new permit record in 5.9 yr. · 1 unit · $280,000 declared valuation
Permit issued and active for 7.8 yr (first record Jan 18, 2019), with no completion or new permit record in 7.4 yr. · 1 unit · $14,100 declared valuation
Permit issued and active for 9.8 yr (first record Dec 28, 2016), with no completion or new permit record in 6.9 yr. · 1 unit · $18,000 declared valuation
Permit issued and active for 8.1 yr (first record Oct 10, 2018), with no completion or new permit record in 6.8 yr. · 1 unit · $25,000 declared valuation
Permit issued and active for 7.5 yr (first record Apr 22, 2019), with no completion or new permit record in 6.4 yr. · 1 unit · $102,200 declared valuation
In "Applied" for 8.6 yr (since Mar 6, 2018), with no new permit record in 6.2 yr. · 15 units · $7,000,000 declared valuation
Nearby plumbing / water heater / sewer (1710 45th Av): First appeared in published agency feed
Record 202610290096 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (1627 47th Av): Status changed from suspend to cancelled
Record 202106293414 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (1619 43rd Av): Status changed from approved to issued
Record 202604139317 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (1619 43rd Av): Issued date changed from (blank) to 2026-10-27
Record 202604139317 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (1619 43rd Av): Description text was updated
Record 202604139317 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby roof replacement (1483 47th Av): Status changed from issued to complete
Record 202606163355 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby solar / battery storage (1491 47th Av): First appeared in published agency feed
Record S20261026777 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (4335 Lincoln Wy): First appeared in published agency feed
Record 202610280013 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby plumbing / water heater / sewer (1475 45th Av): Status changed from filed to issued
Record 202610229773 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby plumbing / water heater / sewer (1475 45th Av): Issued date changed from (blank) to 2026-10-26
Record 202610229773 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby plumbing / water heater / sewer (1475 45th Av): Declared valuation changed from 0 to 10000
Record 202610229773 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby windows / doors / siding (1619 46th Av): First appeared in published agency feed
Record 202610269922 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby plumbing / water heater / sewer (1475 45th Av): First appeared in published agency feed
Record 202610229773 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
1347 40th Ave · 1 unit · $185,000 valuation
Records span Apr 14, 2026 to May 29, 2026 (2 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1262 41st Ave · 2 units · $225,000 valuation
Records span Aug 12, 2025 to May 13, 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 "Applied" for 5.9 yr (first record Dec 1, 2020) with no new permit activity recorded in 5.9 yr.
Active in "Applied" for 8.6 yr (first record Mar 6, 2018) with no new permit activity recorded in 6.2 yr. High-impact scale (15 housing units, 7 deed-restricted affordable, $7,000,000 declared valuation across 3 permits).
Active in "Issued" for 15 mo (first record Aug 11, 2025) with no new permit activity recorded in 10 mo. High-impact scale (1 housing unit, $1,062,978 declared valuation across 1 permit).
Active in "Entitled" for 2.5 yr (first record May 1, 2024) with no new permit activity recorded in 2.5 yr.
Active in "Issued" for 3.5 yr (first record Apr 19, 2023) with no new permit activity recorded in 3.5 yr.
Active in "Applied" for 5.4 yr (first record Jun 22, 2021) with no new permit activity recorded in 5.4 yr.
Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 22,315 parcels
+12.3% YoY
City baseline: 91.1 / 1k
860 in trailing 24m
Includes 50 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 ($15,200/yr) + local voter-approved bond debt ($2,736/yr) + fixed direct levies/Mello-Roos ($450/yr).
Insurance & hazard context:
−$79,161/yr
Cash needed: $334,400
NOI: $13,071/yr
P&I: $7,686/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 | −$7,010/mo | -25.2% | $13,098/mo | −$7,005/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,600/mo | −$6,597/mo | -23.7% | $12,123/mo | −$6,387/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 | −$6,359/mo | -22.8% | $11,841/mo | −$5,959/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 unitsDec 1, 2020 – Dec 1, 2020
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
recommencement and completion of work approved under pa# 2025-0424-5147
upgrade kitchen and bath in-kind, change toilet and pantry and change counter top.
to comply with complaint #: 202536514 - removing and replacing about 10 sq. ft. of drywall, patch and paint, replacing new kitchen cabinets and sink, changing new bathroom vanity and toilet.
1 new adu, detached 2-story, no basement, type v-b, 2 bedroom, 2 bathroom, 1 kitchen, adu in rear of (e) lot per ordinance 162-16.
vertical & horizontal additions. 1st fl add 2 bedrooms, 1 bath, hallway to rear yard & a new elevator. 2nd fl add 2 bedrooms, 1 bath & stair to (n) 3rd flr level. (n) 3rd flr add 2 bedrooms, 2 baths, recreation area & wetbar. (n) roof deck.
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
1358 48TH AVE; 1360 48TH 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 1802/042. Assessed value is not market value.
Search by block/lot 1802/042 (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.