San Francisco · Sunset/Parkside · Block/lot 1917/019 · San Francisco
Since October 2024 within ½ mile: 11 homes completed, 9 permitted, 7 proposed or in review.
26 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.
851 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.
In "Applied" for 4.6 yr (since Mar 18, 2022), with no new permit record in 4.6 yr. · 1 unit · $40,000 declared valuation
In "Applied" for 4.5 yr (since Apr 26, 2022), with no new permit record in 4.5 yr. · 1 unit · $14,400 declared valuation
In "Applied" for 4.4 yr (since Jun 7, 2022), with no new permit record in 4.4 yr. · 1 unit · $800,000 declared valuation
In "Applied" for 3.7 yr (since Feb 7, 2023), with no new permit record in 3.7 yr. · 1 unit · $65,000 declared valuation
In "Entitled" for 2.6 yr (since Mar 5, 2024), with no new permit record in 2.6 yr. · 1 unit
In "Approved" for 4.9 yr (since Nov 29, 2021), with no new permit record in 2.5 yr. · 1 unit · $271,184 declared valuation
Nearby repair tied to a housing/code case (1735 26th Av): Status changed from filed to withdrawn
Record 202506178861 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby windows / doors / siding (1883 31st Av): Status changed from issued to complete
Record 202606032490 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (2015 Judah St): Status changed from issued to complete
Record 202607074652 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby plan revision / deferred submittal (2015 Judah St): Status changed from issued to complete
Record 202610099272 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby plan revision / deferred submittal (1715 34th Av): Declared valuation changed from 0 to 8221
Record 202610209689 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Record 202610239844 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby plan revision / deferred submittal (2315 Irving St): No longer present in latest agency feed
Record 202610219740 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
1775 31st Ave · 1 unit · $150,000 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
2601 Lawton St · 1 unit · $70,000 valuation
Records span Nov 18, 2020 to Sep 16, 2026 (1 permit).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1854 26th Ave · 1 unit · $489,000 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1949 23rd Ave · 1 unit · $150,000 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1519 28th Ave · 1 unit · $182,850 valuation
Records span Jul 8, 2025 to Jul 29, 2026 (2 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1419 24th Ave · 1 unit · $1,500 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
1731 34th Ave · 1 unit · $204,700 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
2722 Irving St · 1 unit · $242,943 valuation
Records span Dec 1, 2025 to Jun 10, 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 "Issued" for 4.5 yr (first record May 5, 2022) with no new permit activity recorded in 2.4 yr. High-impact scale (90 housing units, 89 deed-restricted affordable, $50,000,000 declared valuation across 3 permits).
Active in "Applied" for 4.4 yr (first record Jun 7, 2022) with no new permit activity recorded in 4.4 yr. High-impact scale (1 housing unit, $800,000 declared valuation across 1 permit).
Active in "Issued" for 7.6 yr (first record Apr 2, 2019) with no new permit activity recorded in 2.1 yr. High-impact scale (2 housing units, $1,456,560 declared valuation across 3 permits).
Active in "Issued" for 2.8 yr (first record Jan 26, 2024) with no new permit activity recorded in 2.3 yr.
Active in "Issued" for 7.3 yr (first record Jun 25, 2019) with no new permit activity recorded in 2.3 yr.
Active in "Entitled" for 2.6 yr (first record Mar 5, 2024) with no new permit activity recorded in 2.6 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 ↗
Finaled / completed1 unitsAug 22, 2023 – Oct 22, 2025
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
installation of a new fire alarm system which includes sprinkler monitoring. supply and install a new fire alarm control unit facu with 2 amp hr back up batteries. supply and install a wireless fie alarm radio communicator for 24 hr ul monitoring. supply and install 1 manual pull station next to the
to obtain final inspection for work approved under pa #202407257257. all work is complete.
administrative revision to pa 202408219148 to remove cottage and backyard from scope per field inspector. work on sprinkler corridor access only
reroofing
ref pa # 2023-0822-4965 install sprinkler system in cottage per nppa-13r in the backyard. include underground service per nfpa-24
rev to pa# 2023-0721-2685; replace partial of the southeside foundation
improve 1st flr storage into habitable space- rooms down, infill 2nd flr interior court & removations throughout 2nd flr, associated structural & mep improvements.
erect a new two story cottage in rear yard of main house(adu)with one dwelling,no basement.type v-b
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 |
|---|---|---|---|---|---|---|
| 2025 | —(202308224965) | ADU · Renter | — | — | 1 (Oct 22, 2025) | — |
| 2024 | —(202308224965) | ADU · Renter | — | 1 (Jan 31, 2024) | — | — |
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
1658 27TH AVE; 1658A 27TH 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 1917/019. Assessed value is not market value.
Search by block/lot 1917/019 (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.