San Francisco · Excelsior · Block/lot 6442/008 · San Francisco
Since October 2024 within ½ mile: 5 homes completed, 6 permitted, 3 proposed or in review.
13 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.
411 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.
$1,196,000
Benchmark range: $1,017,000 – $1,375,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: permits located by parcel, ½ mile radius · Retrieved Oct 29, 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 29, 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(D) 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 8.7 yr (since Feb 20, 2018), with no new permit record in 8.7 yr. · $50,000 declared valuation
In "Applied" for 8 yr (since Nov 8, 2018), with no new permit record in 8 yr. · 1 unit · $6,000 declared valuation
Permit issued and active for 9.3 yr (first record Jun 27, 2017), with no completion or new permit record in 7.6 yr. · 1 unit · $160,000 declared valuation
Permit issued and active for 7.9 yr (first record Dec 6, 2018), with no completion or new permit record in 7.3 yr. · 1 unit · $20,137 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
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)
1120 Athens St · 1 unit · $450,000 valuation
Records span Nov 24, 2025 to Jun 5, 2026 (1 permit).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
390 Rolph St · 1 unit · $600,000 valuation
Records span Nov 24, 2025 to Jun 5, 2026 (1 permit).
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)
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)
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)
31a Brunswick St · 1 unit · $227,000 valuation
Records span Oct 20, 2023 to Jul 1, 2025 (2 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
745 Vienna St · 1 unit · $50,000 valuation
Records span Aug 20, 2018 to Mar 7, 2025 (3 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1063 Geneva Ave · 1 unit · $100,000 valuation
Records span May 29, 2024 to Feb 18, 2025 (3 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1100 Prague St · 1 unit · $162,826 valuation
Records span Jul 12, 2022 to Sep 12, 2024 (3 permits).
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 6.6 yr (first record Mar 16, 2020) with no new permit activity recorded in 3.7 yr.
Active in "Issued" for 6.8 yr (first record Dec 31, 2019) with no new permit activity recorded in 5.4 yr.
Active in "Issued" for 5.2 yr (first record Aug 11, 2021) with no new permit activity recorded in 14 mo.
Active in "Applied" for 5.6 yr (first record Mar 16, 2021) with no new permit activity recorded in 5.6 yr.
Active in "Entitled" for 2 yr (first record Oct 22, 2024) with no new permit activity recorded in 2 yr.
Active in "Issued" for 6.3 yr (first record Jun 25, 2020) with no new permit activity recorded in 4.2 yr.
Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 8,511 parcels
+8.4% YoY
City baseline: 91.1 / 1k
248 in trailing 24m
Includes 15 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 ($11,950/yr) + local voter-approved bond debt ($2,151/yr) + fixed direct levies/Mello-Roos ($450/yr).
Insurance & hazard context:
−$55,605/yr
Cash needed: $262,900
NOI: $16,906/yr
P&I: $6,043/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 | −$5,047/mo | -23.0% | $10,358/mo | −$5,016/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,600/mo | −$4,634/mo | -21.2% | $9,587/mo | −$4,398/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 | −$4,396/mo | -20.1% | $9,364/mo | −$3,969/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 ↗
Finaled / completed1 unitsSep 6, 2017 – Mar 25, 2022
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
non conforming garage conversion to additional living space - 240 sq ft. detached per variance approval 2016-007554 var
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel (APN) · Retrieved Oct 29, 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 |
|---|---|---|---|---|---|---|
| 2022 | —(201709067034) | SFD · Owner | — | — | 1 (Mar 25, 2022) | — |
| 2020 | —(201709067034) | SFD · Owner | — | 1 (Sep 3, 2020) | — | — |
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 29, 2026
722 PRAGUE ST
Source: San Francisco Planning / DataSF, Parcels – Active and Retired · Geography: parcel · Retrieved Oct 29, 2026
Zoning, permits, planning cases, and assessor data for this lot (SF Planning)
Look up block/lot 6442/008. Assessed value is not market value.
Search by block/lot 6442/008 (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.