San Francisco · Potrero Hill · Block/lot 4175/017 · San Francisco
Since October 2024 within ½ mile: 105 homes completed, 1 permitted (104 of them deed-restricted affordable); 1 demolition; 1 commercial or mixed-use project.
4 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.
215 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.
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 10.6 yr (first record Mar 10, 2016), with no completion or new permit record in 9.2 yr. · $10,000 declared valuation
In "Entitled" for 8.4 yr (since Jun 14, 2018), with no new permit record in 8.4 yr. · 21 units
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
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
In "Applied" for 7.5 yr (since Apr 19, 2019), with no new permit record in 7.5 yr. · $69,238,000 declared valuation
In "Applied" for 7.5 yr (since Apr 19, 2019), with no new permit record in 7.5 yr. · $44,800,000 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 (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 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 plumbing / water heater / sewer (560 18th St): First appeared in published agency feed
Record 202610239855 · Detected between snapshots
Source: San Francisco Department of Building Inspection, Building Permits · Snapshot diff within ½ mile
Remodel / interior alteration permit issued (202602266615)
Recorded status: issued
deferred curtain wall for temp non-occupiable temporary structure. ref pa #202511129357. temporary structure with non-occupiable space inside vmu. · Declared valuation: $10,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
Remodel / interior alteration permit application filed (202602266615)
Current status: issued
deferred curtain wall for temp non-occupiable temporary structure. ref pa #202511129357. temporary structure with non-occupiable space inside vmu. · Declared valuation: $10,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
Remodel / interior alteration permit issued (202511129357)
Recorded status: complete
potrero power plant development agreement priority. construction of exterior facade-visual moch up for power station block 2 (clinical life science building). structure is temporary (2 to 3 years) and non-occupiable. · Declared valuation: $745,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
Remodel / interior alteration permit application filed (202511129357)
Current status: complete
potrero power plant development agreement priority. construction of exterior facade-visual moch up for power station block 2 (clinical life science building). structure is temporary (2 to 3 years) and non-occupiable. · Declared valuation: $745,000
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
Remodel / interior alteration permit application filed (M1237427)
Current status: filed
potrero power plant development agreement priority. construction of exterior facade-visual moch up for power station block 2 (clinical life science building).
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel
601 23rd St · $762,635 valuation
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 · Geography: permits located by parcel, ½ mile radius · Retrieved Oct 30, 2026
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 4.4 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).
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 "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 "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 "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 "Applied" for 14 mo (first record Aug 28, 2025) with no new permit activity recorded in 14 mo. High-impact scale ($762,635 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
Finaled / completedJan 28, 2025 – Jul 17, 2025
Finaled / completedJul 22, 2020 – Dec 18, 2020
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
deferred curtain wall for temp non-occupiable temporary structure. ref pa #202511129357. temporary structure with non-occupiable space inside vmu.
potrero power plant development agreement priority. construction of exterior facade-visual moch up for power station block 2 (clinical life science building). structure is temporary (2 to 3 years) and non-occupiable.
potrero power plant development agreement priority. construction of exterior facade-visual moch up for power station block 2 (clinical life science building).
lot s: priority for potrero power station development: work in this permit includes tiebacks only. to support main shoring system to serve block 2 ucsf (state) development at apn 4175/027. bpa is approved for documentation purposes only.tech review by dsa and ccsf shall be held harmless.
lot g: priority for potrero power station development: work in this permit includes tiebacks only .. to support main shoring system to serve block 2 ucsf (state) development at apn 4175/027.bpa is approved for documentation purposes only.tech review by dsa and ccsf shall be held harmless.
lot c: priority for potrero power station development: work in this permit includes tiebacks only. to support main shoring system to serve block 2 ucsf (state) development at apn 4175/027.bpa is approved for documentation purposes only.tech review by dsa and ccsf shall be held harmless.
lot ab: priority for potrero power station development: work in this permit includes tiebacks only .. to support main shoring system to serve block 2 ucsf (state) development at apn 4175/027.bpa is approved for documentation purposes only.tech review by dsa and ccsf shall be held harmless.
lot aa: priority for potrero power station development: work in this permit includes tiebacks only .. to support main shoring system to serve block 2 ucsf (state) development at apn 4175/027. bpa is approved for documentation purposes only.tech review by dsa and ccsf shall be held harmless.
lot a: priority for potrero power station development: work in this permit includes tiebacks only. to support main shoring system to serve block 2 ucsf (state) development at apn 4175/027.bpa is approved for documentation purposes only.tech review by dsa and ccsf shall be held harmless.
priority - demolish a one story, type 5, office/warehouse building.
emergency stablization repair to historical western facade on unoccupied potrere power station "station a building" stablization repair is temporary & required to abate immennent life safety concerns, ab-017
mayor ed 13-01/17-02. rev. to pa# 202006198947, modif. to rough grading permit for potrero power station sud on apn 4175-002, 4175-017, 4232-001 & 4232-006. adjustment to specific qualities of the soil to be placed under the future lousiana rd. req'd by sfpuc's pending stormwater control permit &...
to obtain final inspection for work approved under permit application number 202007220684. all work is completed. demolition of building #1 (fire pump house) single story, type 2 storage building.)
construction of two cantilever retaining walls with soldier piles within 10' from the property line in block 1 & 4. mayoral ed-17-02 and 13-01 (100% affordable housing)
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.
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 30, 2026
1201 ILLINOIS 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 4175/017. Assessed value is not market value.
Search by block/lot 4175/017 (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.
rough grading of proposed structs,alleys,open space & development block area for portion of pps svd on 4175/017 & 4175/002 also incld geo measures of surcharging bay mud within street/deep soil mixing along water front, interim drainage managed erosion sediment control measures will be implemented.*
demo of portiongs of station a located on apn 4175/017 including machine shop, north switch house, loading docks,boiler hall wall south(#8-11 of figure). work will include abatement of all station a areas including portings of bldg to be retained. machine shop & n. switch house >25'tall.
bldg# 5-to demolish a 1-story, type 3, storage bldg. (total 4 bldgs to be demolished on the lot, this bldg named as gas compressor bldg on the dwgs)
bldg# 4-to demolish a 1-story, type 3, storage bldg. (total 4 bldgs to be demolished on the lot, this bldg named as gas meter shop on the dwgs)
bldg# 3-to demolish a 1-story, type 2, storage bldg. (total 4 bldgs to be demolished on the lot, this bldg named as carpenter building on the dwgs)
bldg# 1-to demolish a 1-story, type 2, storage bldg. (total 4 bldgs to be demolished on the lot, this bldg named as fire pump house on the dwgs)
revision to pa 2017-0310-1167 to remove fire suppression line replacement at northeast area of decomissioned power plant site. n/a for maher.
to demolish a 1-story storage o
street space