San Francisco · Portola · Block/lot 6055/001 · San Francisco
Since October 2024 within ½ mile: 11 homes completed, 9 permitted, 7 proposed or in review.
21 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.
438 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.
$1,212,000
Benchmark range: $1,030,000 – $1,394,000
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-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 4.9 yr (since Nov 18, 2021), with no new permit record in 3.4 yr. · 62 units · $300,000 declared valuation
Permit issued and active for 4.7 yr (first record Feb 22, 2022), with no completion or new permit record in 3.6 yr. · 1 unit · $109,575 declared valuation
In "Applied" for 3.5 yr (since Apr 18, 2023), with no new permit record in 3.5 yr. · 2 units · $75,000 declared valuation
In "Entitled" for 3.5 yr (since May 4, 2023), with no new permit record in 3.5 yr. · 18 units
Permit issued and active for 3.6 yr (first record Mar 29, 2023), with no completion or new permit record in 2 yr. · 1 unit · $822,256 declared valuation
In "Entitled" for 23 mo (since Nov 25, 2024), with no new permit record in 23 mo. · 1 unit
Nearby windows / doors / siding (673 Hamilton St): First appeared in published agency feed
Record 202610290095 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (405 Girard St): Status changed from suspend to cancelled
Record 202201246521 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Record 202605261833 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Record 202605261833 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby roof replacement (231 Brussels St): First appeared in published agency feed
Record 202610280041 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
581 Hamilton St · 1 unit · $115,000 valuation
Records span Jun 11, 2026 to Oct 27, 2026 (1 permit).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
Nearby plumbing / water heater / sewer (322 Princeton St): Status changed from issued to complete
Record 202606153239 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby plumbing / water heater / sewer (861 Brussels St): Status changed from issued to complete
Record 202608106325 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
1100 Silliman St · 1 unit · $5,000 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
665 Colby St · 1 unit · $85,000 valuation
Records span May 6, 2024 to Sep 5, 2026 (3 permits).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
582 Goettingen St · 1 unit · $60,000 valuation
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
442 Wilde Ave · 1 unit · $40,000 valuation
Records span Jan 31, 2025 to Jul 21, 2026 (1 permit).
Source: San Francisco Department of Building Inspection, Building Permits & HCD APR (grouped project within ½ mile)
425 Bacon St · 1 unit · $130,950 valuation
Records span Feb 10, 2020 to Apr 30, 2026 (1 permit).
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)
246a Girard St · 1 unit · $300,000 valuation
Records span Nov 13, 2023 to Oct 23, 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 "Applied" for 4.9 yr (first record Nov 18, 2021) with no new permit activity recorded in 3.4 yr. High-impact scale (62 housing units, 11 deed-restricted affordable, $300,000 declared valuation across 52 permits).
Active in "Entitled" for 3.5 yr (first record May 4, 2023) with no new permit activity recorded in 3.5 yr. High-impact scale (18 housing units, 4 deed-restricted affordable across 0 permits).
Active in "Issued" for 3.6 yr (first record Mar 29, 2023) with no new permit activity recorded in 2 yr. High-impact scale (1 housing unit, $822,256 declared valuation across 1 permit).
Active in "Issued" for 5 yr (first record Oct 18, 2021) with no new permit activity recorded in 13 mo.
Active in "Issued" for 5 yr (first record Oct 18, 2021) with no new permit activity recorded in 13 mo.
Active in "Issued" for 5 yr (first record Oct 18, 2021) with no new permit activity recorded in 13 mo.
Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 3,887 parcels
+45.5% YoY
City baseline: 91.1 / 1k
135 in trailing 24m
Includes 12 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 ($12,100/yr) + local voter-approved bond debt ($2,178/yr) + fixed direct levies/Mello-Roos ($450/yr).
Insurance & hazard context:
−$56,692/yr
Cash needed: $266,200
NOI: $16,729/yr
P&I: $6,118/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 | −$5,138/mo | -23.2% | $10,484/mo | −$5,108/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,600/mo | −$4,724/mo | -21.3% | $9,704/mo | −$4,490/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 | −$4,487/mo | -20.2% | $9,478/mo | −$4,061/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 ↗
Applied62 units11 deed-restrictedNov 18, 2021 – Jun 21, 2023
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
grade site for a residential development on a full city block. to comply with nov 232309603
erect a one story small assembly and agriculture, no dwelling bldg with no basements.type vb
demolition of a 1 story, hot houses/boiler room (u)
demolition of a 1 story, hot houses (u)
work within the 770 woolsey residential project consisting of the common / mews area all housing units have been submitted separately.
unit 2i & 2j: to erect a new 3-story, type 5b, two dwelling unit building with no basement.
unit 2g & 2h: to erect a new 3-story, type 5b, two dwelling unit building with no basement.
unit 2e & 2f: to erect a new 3-story, type 5b, two dwelling unit building with no basement.
unit 2c & 2d: to erect a new 3-story, type 5b, two dwelling unit building with no basement.
unit 2a & 2b: to erect a new 3-story, type 5b, two dwelling unit building with no basement.
unit 1i & 1j: to erect a new 3-story, type 5b, two dwelling unit building with no basement.
unit 1g & 1h: to erect a new 3-story, type 5b, two dwelling unit building with no basement.
unit 1e & 1f: to erect a new 3-story, type 5b, two dwelling unit building with no basement.
unit 1c & 1d: to erect a new 3-story, type 5b, two dwelling unit building with no basement.
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.
| Report year | Project / record | Type | Entitled | Permitted | Completed | Deed-restricted |
|---|---|---|---|---|---|---|
| 2021 | 770 WOOLSEY ST(2017-012086PRJ) | 5+ · Renter | 62 (Nov 18, 2021) | — | — | 11 |
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
770 WOOLSEY ST
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 6055/001. Assessed value is not market value.
Search by block/lot 6055/001 (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.
unit 1a & 1b: to erect a new 3-story, type 5b, two dwelling unit building with no basement.
unit 4-l:to erect a 3 story,type 5b,one dwelling unit bldg with no basement.
unit 4-k:to erect a 3 story,type 5b,one dwelling unit bldg with no basement.
unit 4-j & l:to erect a 3 story,type 5b,one dwelling unit bldg with no basement.
unit 4-i & k:to erect a 3 story,type 5b,one dwelling unit bldg with no basement.
unit 4-h:to erect a 3 story,type 5b,one dwelling unit bldg with no basement.
unit 4-g:to erect a 3 story,type 5b,one dwelling unit bldg with no basement.
unit 4-f & h:to erect a 3 story,type 5b,one dwelling unit bldg with no basement.
unit 4-e & g:to erect a 3 story,type 5b,one dwelling unit bldg with no basement.
unit 4-d:to erect a 3 story,type 5b,one dwelling unit bldg with no basement.
unit 4-c:to erect a 3 story,type 5b,one dwelling unit bldg with no basement.
unit 4-b & d:to erect a 3 story,type 5b,one dwelling unit bldg with no basement.
unit 4-a & c:to erect a 3 story,type 5b,one dwelling unit bldg with no basement.
unit 3n: erect a 3-store, type v-b, single family house.
unit 3m: erect a 3-store, type v-b, single family house.
unit 3l: erect a 3-story, type v-b, single family house.
unit 3k: erect a 3-story, type v-b, single family house.
unit 3j & 3l: erect 3-story, type v-b, 2 residential units.
unit 3i & 3k: erect 3-story, type v-b, 2 residential units.
unit 3h: erect a 3-story, type v-b, single family house.
unit 3g: erect a 3-story, type v-b, single family house.
unit 3f & 3h: erect 3-story, type v-b, 2 residential units.
unit 3e & 3g: erect 3-story, type v-b, 2 residential units.
unit 3d: erect a 3-story, type v-b, single family house.
unit 3c: erect a 3-store, type v-b, single family house.
unit 3b & 3d: erect 3-story, type v-b, 2 residential units.
unit 3a & 3c: erect 3-story, type v-b, 2 residential dwelling.
unit 5-o & p : to erect a 3-story, type 5b, two-dwelling unit bldg w/o basement.
unit 5-m & n : to erect a 3-story, type 5b, two-dwelling unit bldg w/o basement.
unit 5-k & l : to erect a 3-story, type 5b, two-dwelling unit bldg w/o basement.
unit 5-i & j : to erect a 3-story, type 5b, two-dwelling unit bldg w/o basement.
unit 5-h : to erect a 3-story, type 5b, one-dwelling unit bldg w/o basement.
unit 5-g : to erect a 3-story, type 5b, one-dwelling unit bldg w/o basement.
unit 5-f & h: to erect a 3-story, type 5b, two-dwelling unit bldg w/o basement.
unit 5-e & g: to erect a 3-story, type 5b, two-dwelling unit bldg w/o basement.
unit 5-d : to erect a 3-story, type 5b, one-dwelling unit bldg w/o basement.
unit 5-c : to erect a 3-story, type 5b, one-dwelling unit bldg w/o basement.
unit 5-b & d : to erect a 3-story, type 5b, two-dwelling unit bldg w/o basement.
unit 5-a & c : to erect a 3-story, type 5b, two-dwelling unit bldg w/o basement.