Alteration Residential
3021 20th St, San Francisco, Ca, 94110
ClassificationAlteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
- Contractor
- Not in source
- Applicant
- Not in source
- Owner
- Not in source
- Architect
- Not in source
- Engineer
- Not in source
- Contractor license
- Not in source
Building & lot · PLUTO
- Building class
- Not in source
- Zoning district
- Not in source
- Lot area
- Not in source
- Year built
- Not in source
- Units (total)
- Not in source
- Units (residential)
- Not in source
- Units (commercial)
- Not in source
- Floor area
- Not in source
Parcel & enrichment
- Parcel APN
- 4085 036
- Climate zone (IECC)
- 3C
- Roof area (est.)
- Not derivable — no building-size signal for this permit
- HVAC tonnage (est.)
- Not derivable — no building-size signal for this permit
- Building type
- Not in source
- Building subtype
- Not in source
Geocode & dates
- Coordinates
- 37.7589, -122.4111
- Geocode confidence
- 95%
- Geocode source
- Not in source
- Issued
- Jun 15, 2005
- Applied
- Jun 15, 2005
- Work class
- Not in source
Description
Source description
streetspace
Status
- Current status
- issued
- Source status
- issued
Provenance
- First seen by PermitCore
- May 2, 2026 · 23:06 UTC
- Last seen
- May 11, 2026 · 23:53 UTC
- Last changed
- May 2, 2026 · 23:06 UTC
Data-quality checks1 of 12 flagged
1 of 12 data-quality checks flagged on this permit. Detail below.
- Valuation is placeholder
valuation_usd_is_placeholdervaluation_usd matched a known placeholder (often 0 or 1) used by the source when the real valuation wasn't reported.
Checks not flagged
- Geocode out of bounds
- Geocode is sentinel
- Issued date in the future
- Issued date parse bug
- Issued date is placeholder
- Commercial units is placeholder
- Residential units out of bounds
- Residential units is placeholder
- Total units out of bounds
- Total units is placeholder
- Valuation out of bounds
Project timeline at this parcel
- Jun 15, 2005This permitAlteration Residential · Issued
- Nov 13, 2002923827169956Alteration Residential · Finaled$1,000
- Nov 13, 2002923828424150Alteration Residential · Finaled$1,000
- Sep 20, 2002922874169956Alteration Residential · Finaled
- Date not usable in source671924169956Alteration Residential · Expired$40,000
- Date not usable in source661735169956Alteration Residential · Expired$22,000
- Date not usable in source656172169956Alteration Residential · Expired$6,800
Full permit history at this parcel · as of Jul 9, 2026.
Developer details
- Permit #
- 1019039169956
- Canonical ID
- 6:1019039169956
- Source permit ID
- 1019039169956