San Francisco · Excelsior · Block/lot 6445/001 · San Francisco
Since October 2024 within ½ mile: 6 homes completed, 7 permitted, 5 proposed or in review.
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.
503 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 yr (first record Nov 7, 2018), with no completion or new permit record in 6.6 yr. · 1 unit · $40,000 declared valuation
In "Applied" for 6.1 yr (since Sep 2, 2020), with no new permit record in 6.1 yr. · 50 units · $5,500,000 declared valuation
Permit issued and active for 7.4 yr (first record May 24, 2019), with no completion or new permit record in 6.1 yr. · 1 unit · $90,000 declared valuation
In "Applied" for 5.6 yr (since Mar 16, 2021), with no new permit record in 5.6 yr. · 1 unit · $70,000 declared valuation
Permit issued and active for 6.8 yr (first record Dec 31, 2019), with no completion or new permit record in 5.4 yr. · 1 unit · $150,000 declared valuation
In "Applied" for 4.5 yr (since Apr 18, 2022), with no new permit record in 4.5 yr. · 1 unit · $15,000 declared valuation
Nearby remodel / interior alteration (49 Ellington Av): Status changed from issued to complete
Record 202610028945 · 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 (762 Naples St): First appeared in published agency feed
Record 202610229798 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
61 Royal Ln · 2 units · $600,000 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
Accessory dwelling unit (new or conversion) permit issued (202511038779)
Recorded status: issued
erect 2-story detached type-vb adu in rear of 390 rolph st. · Declared valuation: $450,000 · 1 housing unit
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
Accessory dwelling unit (new or conversion) permit issued (202511038782)
Recorded status: issued
lower level (905 sq ft) addition of (e) 2 bedroom 1 bath. addition of 1 bedroom, 1 bathroom total 3 bed 2 bath. 429 sq ft detach adu separate permit. 4 ft high wood fence install along street facing property line. · Declared valuation: $600,000 · 1 housing unit
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
246 Guttenberg St · 1 unit · $100,000 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1051a Geneva Ave · 1 unit · $1 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
714a Naples St · 1 unit · $1 valuation
Records span Nov 5, 2025 to Apr 8, 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 (202511038779)
Current status: issued
erect 2-story detached type-vb adu in rear of 390 rolph st. · Declared valuation: $450,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
Accessory dwelling unit (new or conversion) permit application filed (202511038782)
Current status: issued
lower level (905 sq ft) addition of (e) 2 bedroom 1 bath. addition of 1 bedroom, 1 bathroom total 3 bed 2 bath. 429 sq ft detach adu separate permit. 4 ft high wood fence install along street facing property line. · Declared valuation: $600,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
1051 Geneva Ave · 1 unit · $36,657 valuation
Records span Aug 14, 2025 to Nov 12, 2025 (1 permit).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
237 Rolph St · 1 unit · $270,000 valuation
Records span Feb 9, 2021 to Oct 16, 2025 (2 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
745a Vienna St · 1 unit · $200,000 valuation
Records span Dec 6, 2022 to Sep 29, 2025 (2 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
38 Seneca Ave · 1 unit · $188,000 valuation
Records span Jul 10, 2024 to Aug 29, 2025 (1 permit).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
949 Vienna St · 1 unit · $650,000 valuation
Records span Aug 11, 2021 to Aug 14, 2025 (1 permit).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
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 ($11,800/yr) + local voter-approved bond debt ($2,124/yr) + fixed direct levies/Mello-Roos ($450/yr).
Insurance & hazard context:
−$54,518/yr
Cash needed: $259,600
NOI: $17,083/yr
P&I: $5,967/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 | −$4,957/mo | -22.9% | $10,231/mo | −$4,924/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,600/mo | −$4,543/mo | -21.0% | $9,470/mo | −$4,306/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 | −$4,306/mo | -19.9% | $9,250/mo | −$3,878/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 unitsNov 24, 2025 – Jun 5, 2026
Issued1 unitsNov 24, 2025 – Jun 5, 2026
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
lower level (905 sq ft) addition of (e) 2 bedroom 1 bath. addition of 1 bedroom, 1 bathroom total 3 bed 2 bath. 429 sq ft detach adu separate permit. 4 ft high wood fence install along street facing property line.
erect 2-story detached type-vb adu in rear of 390 rolph st.
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
1120 ATHENS ST; 390 ROLPH ST
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 6445/001. Assessed value is not market value.
Search by block/lot 6445/001 (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.