Permit 202512171980
646 Duncan St
interior renovations on 1st floor. horizontal addition & interior renovations on 2nd floor including new rear deck. vertical addition to include new 3rd floor & decks.
- Outcome
- Expired or cancelled (city status: cancelled, Jan 13, 2026)
- Filed
- Dec 17, 2025
- Declared cost
- $850,000
- Building use
- 1 family dwelling
- Neighborhood
- Noe Valley
- Contractor
- None listed with a license number
- Project type
- Deck
- Property
- All permits at this address (block 6589, lot 002)
Everyone on the permit
The parties and license numbers written on the permit, as the city lists them; not a check with any state board. The person who paid the fee and the project contact are not shown.
- Architect
- Francisco Matos, Architects Sf (license C34078)
- Engineer
- Michael Hom, Hom & Pisano Engineering Inc. (license 71450)
- Authorized agent-others
- Simon Yip, Sf Permitting Inc. (no license listed), applicant