San Francisco · Sunset/Parkside · Block/lot 2302/042 · San Francisco
Since October 2024 within ½ mile: 4 homes completed, 6 permitted, 3 proposed or in review.
12 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.
504 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.
Source: San Francisco Department of Building Inspection, Building Permits · Geography: permits located by parcel, ½ mile radius · Retrieved Oct 28, 2026
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.
Permit issued and active for 8.1 yr (first record Sep 21, 2018), with no completion or new permit record in 7.5 yr. · 1 unit · $30,000 declared valuation
Permit issued and active for 9.5 yr (first record May 3, 2017), with no completion or new permit record in 8.1 yr. · 1 unit · $700,000 declared valuation
Permit issued and active for 9.9 yr (first record Nov 21, 2016), with no completion or new permit record in 7.8 yr. · 1 unit · $20,000 declared valuation
Permit issued and active for 8.8 yr (first record Jan 19, 2018), with no completion or new permit record in 6.9 yr. · 1 unit · $148,000 declared valuation
Permit issued and active for 8.4 yr (first record Jun 7, 2018), with no completion or new permit record in 6.2 yr. · 1 unit · $10,000 declared valuation
In "Applied" for 6.4 yr (since Jun 6, 2020), with no new permit record in 5.8 yr. · 1 unit · $11,000 declared valuation
Nearby remodel / interior alteration (1901 48th Av): First appeared in published agency feed
Record 202610269863 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (1948 Great Hy): Status changed from issued to complete
Record 202506259481 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Record 202601224375 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby general repair (1990 48th Av): Status changed from filed to issued
Record 202610219721 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby general repair (1990 48th Av): Issued date changed from (blank) to 2026-10-22
Record 202610219721 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby addition (adds square footage) (1994 42nd Av): First appeared in published agency feed
Record 202610239822 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
3651 Ortega St · 1 unit · $250,000 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1871 47th Ave · 2 units · $222,122 valuation
Records span Jan 18, 2023 to Aug 5, 2026 (2 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1875 48th Ave · 1 unit · $250,000 valuation
Records span Jan 12, 2026 to May 28, 2026 (1 permit).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
2140 Great Hy · 1 unit · $85,000 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
2578 Great Hy · 1 unit · $740,841 valuation
Records span Dec 11, 2025 to Feb 18, 2026 (2 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1948 Great Hy · 1 unit · $158,976 valuation
Records span Aug 20, 2025 to Jan 20, 2026 (3 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
2495 45th Ave · 1 unit · $13,000 valuation
Records span Dec 1, 2023 to Dec 29, 2025 (3 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1959 47th Ave · 1 unit · $45,000 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
2434a 43rd Ave · 1 unit · $170,607 valuation
Records span Oct 16, 2024 to Nov 13, 2025 (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 8.1 yr (first record Sep 21, 2018) with no new permit activity recorded in 7.5 yr.
Active in "Issued" for 8.8 yr (first record Jan 19, 2018) with no new permit activity recorded in 6.9 yr.
Active in "Issued" for 9.5 yr (first record May 3, 2017) with no new permit activity recorded in 8.1 yr.
Active in "Applied" for 6.4 yr (first record Jun 6, 2020) with no new permit activity recorded in 5.8 yr.
Active in "Issued" for 9.1 yr (first record Sep 6, 2017) with no new permit activity recorded in 5.7 yr.
Active in "Issued" for 4.1 yr (first record Oct 4, 2022) with no new permit activity recorded in 4.1 yr.
Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 22,315 parcels
+12.9% YoY
City baseline: 90.9 / 1k
856 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 ($14,900/yr) + local voter-approved bond debt ($2,682/yr) + fixed direct levies/Mello-Roos ($450/yr).
Insurance & hazard context:
−$76,986/yr
Cash needed: $327,800
NOI: $13,425/yr
P&I: $7,534/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 | −$6,829/mo | -25.0% | $12,845/mo | −$6,822/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,600/mo | −$6,416/mo | -23.5% | $11,889/mo | −$6,204/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 | −$6,178/mo | -22.6% | $11,613/mo | −$5,775/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 unitsSep 21, 2018 – Apr 19, 2019
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
2 bathroom remodel, kitchen remodel @ 2nd fl
add units per ordinance# 95-17. convert areas of (e) 1st floor into (n) adu unit (1 bedroom & 1 bath).
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.
| Report year | Project / record | Type | Entitled | Permitted | Completed | Deed-restricted |
|---|---|---|---|---|---|---|
| 2019 | —(201809211063) | ADU · Renter | — | 1 (Apr 19, 2019) | — | — |
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
2242 48TH AVE; 2242A 48TH 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 2302/042. Assessed value is not market value.
Search by block/lot 2302/042 (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.