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Chadwick Hamilton

Architect · Hamilton & Aitken Architects · San Francisco

Public records

From the licensing board and the city of San Francisco.

The short answer

Licensed?
License activeArchitect C-15932First issued Nov 7, 1985, expires Dec 31, 2027.

Source: DCA license roster, retrieved Nov 5, 2026

Verify on DCA License Search

Any board discipline?
None found.

We searched the California Architects Board enforcement list on Nov 5, 2026.

Worked in San Francisco?
40 permits since 2004, 40 in the last 5 years. Latest filed May 29, 2024.
What kind of projects?
Addition 13 · Home remodel 11 · Seismic retrofit or foundation 4
How long do their permits take?
Home remodel: 2 months. City typical for the same review: within 1 month.

Permits filed each year

San Francisco permits by the year they were filed. The last 5 years are in blue.

What are you planning?

Pick your kind of project to see their permits for it.

Permits
50 permits that name Chadwick Hamilton, newest first, including 10 revisions or supplements that are not counted. Select a permit to see the full record.
FiledProjectOpen
Aug 13, 20261971 14th Av

Revision to 202109299481 additional soil retention per geotech at recommendation at rear of propery, less then 50 cu.yd soil removal

Filed
May 29, 2024202 Cortland Av

Replace in kind dry rotted stairs at front of the building

Complete
Jan 24, 2024127 Collingwood St

Revision to pa# 201912189884, to reception area.

Expired
Dec 19, 2023127 Collingwood St

Revision to an (e) approved permit 202110080125. add lavatory at toilet rm 117.

Expired
Dec 16, 2022101 08th Av

Interior kitchen and bath renovation of 3rd fl unit in a 3 story, 3 unit building. interior work includes new fixtures, finishes, casework in e kitchen and bath. removal and modification to interior non structural and load bearing wood framed partitons

Cancelled
Sep 21, 2022210 Cortland Av

Kitchen and bathroom renovation on 1st fl at the rear of (e) residence. new windows at 1st fl rear elevation. new skylights, and structural improvements. project area is 450 gsf.

Issued
Oct 8, 2021127 Collingwood St

To erect 1 story, no basement, type v, youth center. new construction of detached annex building at rear.

Complete
Oct 1, 2021127 Collingwood St #0

Demo detached accessory structure at rear of property

Complete
Sep 29, 20211971 14th Av

This permit is to resolve a notice of violation by sfdbi -nov# 202032487- replacement of cracked beam and deck framing at first floor, deck, exterior guard rail, deteriorated stairs and fence.

Issued
Dec 18, 2019127 Collingwood St #0

Enclosing (e) driveway area as ground flr reception and hallway. converting unused garage into program space with accessible route through rear yard.

Expired
Dec 17, 2019525 Laurel St

Enlarge e opening in wood framed partition between existing kitchen and dining rm

Issued
May 11, 2017755 Ocean Av

Parking lot- install 14 temporary 1 story pre-manufactured portable classrooms in 7 hcd-approved bldgs & 1 temp. office bldg for 11 months, enlarge north gate & drive for sffd access. n/a ordinance #155-13

Complete
Mar 29, 201751 Holly Park Cr

Revision to 201409217499 to increase bearing capability of a single wall

Complete
Aug 24, 20162340 Union St

Soft story retrofit per sfbc chapter 34b engineering criteria...

Complete
Jul 12, 20161201 Church St

Soft story seismic renovation @ office commerical space per criteria asce 7-10. cut & path (e) exterior siding & interior finishes to perform structural work. remove 6 windows & 3 doors to perform work. (residential #2016-0712-2098)

Complete
Jul 12, 20161201 Church St

Soft story seismic renovation @ residential space per criteria asce 7-10. cut & path (e) exterior siding & interior finishes to perform work. (commercial #2016-0712-2100).

Complete
Jun 14, 2016210 Cortland Av

Expand living area into existing basement area - add connecting stair, master bedroom , m. bath suite, den & floye.

Complete
Jun 13, 2016325 Howth St

Partial conversion of unconditioned attic space into 2nd floor bedroom and bath with electrical work. a new stair will also be constructed along with structural upgrades. exterior work. replacement of an extg fixed window with casement window. relocation of an extg basement access door.

Complete
May 23, 2016210 Cortland Av

Revision to pt #201509036116 - foundation replacement lower extg basement slab for 8'-o" clearance. relocate water heater.

Complete
Apr 28, 20162020 Green St #0

Soft story retrofit per sfbc chapter 34b engineering criteria other rational design, asce 7-10. replace finishes in kind to (e) finishes upon complettion of structural work.

Complete

Sources: DataSF i98e-djp9, 3pee-9qhc, retrieved Nov 5, 2026. Names on permits are matched to licenses by license number and name; unmatched records are not shown.

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