Alteration Residential
18 Byron Ct, San Francisco, Ca, 94112
Classificationotc alterations permitResidential Alteration
Reliable value$2,255
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
- 6489 056
- 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
- 37.7097, -122.4445
- Geocode confidence
- 95%
- Geocode source
- Not in source
- Issued
- Mar 22, 2012
- Applied
- Mar 22, 2012
- Work class
- Residential
Description
Source description
install 3 vinyl windows in kind into existing frames. no change in size or location. windows do not face the street. if applicable, bedroom windows will comply with section cbc1026 for rescue. all windows will be double pane and have a u-factor of .30.
Status
- Current status
- issued
- Source status
- issued
Provenance
- First seen by PermitCore
- May 2, 2026 · 23:50 UTC
- Last seen
- May 11, 2026 · 23:59 UTC
- Last changed
- May 2, 2026 · 23:50 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
- Mar 22, 2012This permitAlteration Residential · Issued$2,255
- Aug 4, 20091180701204856Alteration Residential · Issued$5,125
- Date not usable in source700491204856Alteration Residential · Expired$4,869
Full permit history at this parcel · as of Jul 9, 2026.
Developer details
- Permit #
- 1265518204856
- Canonical ID
- 6:1265518204856
- Source permit ID
- 1265518204856