San Francisco · Potrero Hill · Block/lot 4058/002 · San Francisco
Since October 2024 within ½ mile: 106 homes completed, 8 permitted, 7 proposed or in review (104 of them deed-restricted affordable); 1 demolition; 1 commercial or mixed-use project.
15 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.
470 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.
$1,611,000
Benchmark range: $1,369,000 – $1,853,000
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 UMU as mixed use, 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 "Entitled" for 8.4 yr (since Jun 14, 2018), with no new permit record in 8.4 yr. · 21 units
Permit issued and active for 5.1 yr (first record Oct 1, 2021), with no completion or new permit record in 20 mo. · 1 unit · $10,200,000 declared valuation
Permit issued and active for 10.6 yr (first record Mar 10, 2016), with no completion or new permit record in 9.2 yr. · $10,000 declared valuation
In "Applied" for 8.2 yr (since Aug 20, 2018), with no new permit record in 8.2 yr. · 109 units · $45,000,000 declared valuation
Permit issued and active for 9.8 yr (first record Dec 23, 2016), with no completion or new permit record in 7.9 yr. · 48 units · $16,500,000 declared valuation
In "Approved" for 7.9 yr (since Dec 20, 2018), with no new permit record in 7.9 yr. · 275 units · $67,837,000 declared valuation
Nearby remodel / interior alteration (2505 03rd St): Status changed from suspend to cancelled
Record 202205204718 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (1725 03rd St): Status changed from filed to issued
Record 202610018865 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (1725 03rd St): Issued date changed from (blank) to 2026-10-27
Record 202610018865 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (1725 03rd St): Declared valuation changed from (blank) to 1
Record 202610018865 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (2175 03rd St): Status changed from filed to issued
Record 202609188376 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (2175 03rd St): Issued date changed from (blank) to 2026-10-28
Record 202609188376 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (1800 Owens St): Status changed from filed to issued
Record 202610169556 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (1800 Owens St): Issued date changed from (blank) to 2026-10-28
Record 202610169556 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (1800 Owens St): First appeared in published agency feed
Record 202610280040 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby commercial tenant improvement (1241 Delaware St): Status changed from filed to approved
Record 202512081182 · 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 (712 Tennessee St): Status changed from issued to complete
Record 202604219836 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby plan revision / deferred submittal (712 Tennessee St): Status changed from issued to complete
Record 202608317493 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby electrical / panel (638 19th St): Status changed from issued to complete
Record 202609178261 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby remodel / interior alteration (2175 03rd St): Declared valuation changed from 0 to 500000
Record 202609188376 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Nearby plan revision / deferred submittal (1725 03rd St): First appeared in published agency feed
Record 202610239805 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff 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 "Entitled" for 8.4 yr (first record Jun 14, 2018) with no new permit activity recorded in 8.4 yr. High-impact scale (21 housing units, 3 deed-restricted affordable across 0 permits).
Active in "Issued" for 5.1 yr (first record Oct 1, 2021) with no new permit activity recorded in 20 mo. High-impact scale (1 housing unit, $10,200,000 declared valuation across 4 permits).
Active in "Approved" for 6.9 yr (first record Nov 25, 2019) with no new permit activity recorded in 6.9 yr. High-impact scale (241 housing units, $150,000,000 declared valuation across 2 permits).
Active in "Applied" for 8.2 yr (first record Aug 20, 2018) with no new permit activity recorded in 8.2 yr. High-impact scale (109 housing units, $45,000,000 declared valuation across 4 permits).
Active in "Approved" for 7.9 yr (first record Dec 20, 2018) with no new permit activity recorded in 7.9 yr. High-impact scale (275 housing units, $67,837,000 declared valuation across 2 permits).
Active in "Applied" for 4.4 yr (first record May 19, 2022) with no new permit activity recorded in 4.4 yr. High-impact scale (348 housing units, $175,000,000 declared valuation across 1 permit).
Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 2,930 parcels
+29.5% YoY
City baseline: 91.1 / 1k
296 in trailing 24m
Includes 6 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 ($16,100/yr) + local voter-approved bond debt ($2,898/yr) + fixed direct levies/Mello-Roos ($450/yr).
Insurance & hazard context:
−$85,684/yr
Cash needed: $354,200
NOI: $12,009/yr
P&I: $8,141/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 | −$7,554/mo | -25.6% | $13,856/mo | −$7,556/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,600/mo | −$7,140/mo | -24.2% | $12,825/mo | −$6,938/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 | −$6,903/mo | -23.4% | $12,527/mo | −$6,510/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 unitsOct 1, 2021 – Mar 7, 2025
Entitled21 units3 deed-restrictedJun 14, 2018 – Jun 14, 2018
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
construction of drill displacement column (ddc)ground improvement system & excavation to bottom of proposed concrete foundation elevations. the pa# for replacement building is #202110019676. ref demo pa# 202407227013.
asbestos abatement related to demolition of building (202407227013)
demolition of existing 9,200 sf commercial bldg, replacement bldg pa# 202110019676
to construct a 5-story, type 1b, mixed use building with office/lab use at levels 1-4 and a residential dwelling unit at level 5. **comply w/ maher ord# 155-13, route to dph**
remove non-structural partitions from t.i. build out. per ab-017
exploritory demolition of sheetrock at property line walls. two-four feet above foundation for dry-rot damage at property walls. approx 200-600 sq ft total area- less than 33% removal.
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 |
|---|---|---|---|---|---|---|
| 2018 | 600 20TH ST(2016-008651PRJ) | 5+ · Owner | 21 (Jun 14, 2018) | — | — | 3 |
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
600 20TH 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 4058/002. Assessed value is not market value.
Search by block/lot 4058/002 (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.