Alteration Residential
421 Avalon Av, San Francisco, Ca, 94112
Classificationotc alterations permitResidential Alteration
Reliable value$8,500
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)
- 1
- Units (commercial)
- Not in source
- Floor area
- Not in source
Parcel & enrichment
- Parcel APN
- 5956 022
- 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
- 1 family dwelling
Geocode & dates
- Coordinates
- 37.7263, -122.4288
- Geocode confidence
- 95%
- Geocode source
- Not in source
- Issued
- Oct 16, 2018
- Applied
- Sep 7, 2018
- Work class
- Residential
Description
Source description
at front, replace 7 (e) aluminum windows with aluminum-clad wood windows. middle three at front bay to be fixed, two casements at bay and 2 windows set back to be casement. install four vinyl windows at rear. no other work.
Status
- Current status
- finaled
- Source status
- complete
- Finaled
- Nov 15, 2018
Provenance
- First seen by PermitCore
- May 2, 2026 · 23:52 UTC
- Last seen
- May 12, 2026 · 00:04 UTC
- Last changed
- May 2, 2026 · 23:52 UTC
Data-quality checks0 of 12 flagged
0 of 12 data-quality rules flagged anything on this permit.
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
- Valuation is placeholder
Project timeline at this parcel
- Oct 16, 2018This permitAlteration Residential · Finaled$8,500
- Sep 21, 20161438251192370Alteration Residential · Finaled$9,000
- Mar 29, 20051010760192370Alteration Residential · Issued
- Date not usable in source534514192370Alteration Residential · Finaled$1,790
- Date not usable in source447877192370Alteration Residential · Expired$4,900
- Date not usable in source421774192370Alteration Residential · Expired$4,620
Full permit history at this parcel · as of Jul 9, 2026.
Developer details
- Permit #
- 1522635192370
- Canonical ID
- 6:1522635192370
- Source permit ID
- 1522635192370