Permit Record

Alteration Residential

280 18th Av, San Francisco, Ca, 94121

Classificationadditions alterations or repairsResidential Alteration
Reliable value$1,245,000
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)
2
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
1416 025
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
2 family dwelling
Geocode & dates
Coordinates
37.7828, -122.4771
Geocode confidence
95%
Geocode source
Not in source
Issued
Apr 16, 2026
Applied
Apr 19, 2023
Work class
Residential
Description
Source description

2-unit remodel w/horizontal addition at rear. remodeled g/f unit consist of bedrms, 1 full bath, & 1 half bath, & an open living/dining/kitchen. 2nd unit on 2/f & 3/f consist of an open living/dining/kitchen & a guest bath w/access to balcony deck @2/f. 3/f: master bedrm, bath, 2 bedrm, 1 full bath.

Status
Current status
issued
Source status
issued
Provenance
First seen by PermitCore
May 2, 2026 · 23:53 UTC
Last seen
May 12, 2026 · 00:09 UTC
Last changed
May 12, 2026 · 00:09 UTC

Open in San Francisco source →

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

15 permits at this parcel (parcel 1416 025) · through Apr 16, 2026

  1. Apr 16, 2026This permitAlteration Residential · Issued$1,245,000
  2. Apr 16, 2026166665898835Alteration Residential · Issued$1,245,000
  3. Apr 21, 2022164100298835Alteration Residential · Issued
  4. Apr 21, 20221641003383570Alteration Residential · Issued
  5. Apr 21, 20221641174383570Alteration Residential · Issued$160,000
  6. Apr 21, 2022164029398835Alteration Residential · Issued$160,000
  7. Oct 14, 20211572317383570Alteration Residential · Issued$20,000
  8. Oct 14, 2021157231698835Alteration Residential · Issued$20,000
  9. Jul 7, 2020159306998835Alteration Residential · Expired$2,250
  10. Nov 12, 2019157573998835Alteration Residential · Issued
  11. Feb 27, 20191542880383570Alteration Residential · Issued$10,000
  12. Feb 27, 2019154288198835Alteration Residential · Expired$4,500
  13. Oct 21, 200083376298835Alteration Residential · Expired$3,000
  14. Date not usable in source802355383570Alteration Residential · Expired$5,000
  15. Date not in source164122598835Alteration Residential · Withdrawn

Full permit history at this parcel · as of Jul 9, 2026.

Developer details
Permit #
1747253383570
Canonical ID
6:1747253383570
Source permit ID
1747253383570
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