Chad Hamilton
- Listed as
- architect, authorized agent-others, engineer
- Firm
- Hamilton & Aitken Architects
- Based in
- San Francisco
- On San Francisco permits
- May 2004 to Aug 2026
50 permits since 2000 (architect on 47 permits, engineer on 2 permits, authorized agent-others on 1 permit): 30 completed, 2 in progress, 4 never finaled, 14 expired or cancelled.
This is the city’s permit record, not a license check: the role and the number come from what was written on each permit (the number spelled one way). It does not show whether the license is current. How to read these records
Most recent permits
| Filed | Outcome | Address | Contractor | Work described on the permit | Declared cost |
|---|---|---|---|---|---|
| Aug 13, 2026 | In progress filed Aug 2026, not yet issued | 1971 14th Av | Bradford Construction | revision to 202109299481 additional soil retention per geotech at recommendation at rear of propery, less then 50 cu.yd soil removalDetails
revision to 202109299481 additional soil retention per geotech at recommendation at rear of propery, less then 50 cu.yd soil removal | $20,000 |
| May 29, 2024 | Completed final sign-off Aug 2024 | 202 Cortland Av | replace in kind dry rotted stairs at front of the buildingDetails
replace in kind dry rotted stairs at front of the building | $10,000 | |
| Jan 24, 2024 | Expired or cancelled expired Jun 2025 | 127 Collingwood St | C W S Construction Group Inc | revision to pa# 201912189884, to reception area.Details
revision to pa# 201912189884, to reception area. | |
| Dec 19, 2023 | Expired or cancelled expired Jun 2025 | 127 Collingwood St | C W S Construction Group Inc | revision to an (e) approved permit 202110080125. add lavatory at toilet rm 117.Details
revision to an (e) approved permit 202110080125. add lavatory at toilet rm 117. | $500 |
| Dec 16, 2022 | Expired or cancelled cancelled Jan 2026 | 101 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 partitonsDetails
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 | $60,454 | |
| Sep 21, 2022 | Never finaled issued Dec 2022, no final | 210 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.Details
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. | $70,000 | |
| Oct 8, 2021 | Completed final sign-off Jul 2025 | 127 Collingwood St | C W S Construction Group Inc | to erect 1 story, no basement, type v, youth center. new construction of detached annex building at rear.Details
to erect 1 story, no basement, type v, youth center. new construction of detached annex building at rear. | $225,000 |
| Oct 1, 2021 | Completed final sign-off Mar 2025 | 127 Collingwood St | C W S Construction Group Inc | demo detached accessory structure at rear of propertyDetails
demo detached accessory structure at rear of property | $20,000 |
| Sep 29, 2021 | In progress issued Feb 2024 | 1971 14th Av | Bradford Construction | 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.Details
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. | $30,000 |
| Dec 18, 2019 | Expired or cancelled expired Jun 2025 | 127 Collingwood St | C W S Construction Group Inc | enclosing (e) driveway area as ground flr reception and hallway. converting unused garage into program space with accessible route through rear yard.Details
enclosing (e) driveway area as ground flr reception and hallway. converting unused garage into program space with accessible route through rear yard. | $300,000 |
| Dec 17, 2019 | Never finaled issued Dec 2019, no final | 525 Laurel St | Skye's The Limit Construction | enlarge e opening in wood framed partition between existing kitchen and dining rmDetails
enlarge e opening in wood framed partition between existing kitchen and dining rm | $519 |
| May 11, 2017 | Completed final sign-off Aug 2017 | 755 Ocean Av | Truebeck Construction | 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 #155-13Details
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 | $50,000 |
| Mar 29, 2017 | Completed final sign-off Dec 2017 | 51 Holly Park Cr | Rivera Builders | revision to 201409217499 to increase bearing capability of a single wallDetails
revision to 201409217499 to increase bearing capability of a single wall | $1,000 |
| Aug 24, 2016 | Completed final sign-off Nov 2019 | 2340 Union St | S F Garage Company Inc. | soft story retrofit per sfbc chapter 34b engineering criteria...Details
soft story retrofit per sfbc chapter 34b engineering criteria... | $80,000 |
| Jul 12, 2016 | Completed final sign-off Jun 2018 | 1201 Church St | Mulhall Construction Inc. | 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).Details
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). | $80,000 |
| Jul 12, 2016 | Completed final sign-off Aug 2018 | 1201 Church St | Mulhall Construction Inc. | 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)Details
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) | $80,000 |
| Jun 14, 2016 | Completed final sign-off Mar 2017 | 210 Cortland Av | Rivera Builders | expand living area into existing basement area - add connecting stair, master bedroom , m. bath suite, den & floye.Details
expand living area into existing basement area - add connecting stair, master bedroom , m. bath suite, den & floye. | $50,000 |
| Jun 13, 2016 | Completed final sign-off Jun 2017 | 325 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.Details
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. | $90,000 | |
| May 23, 2016 | Completed final sign-off Mar 2017 | 210 Cortland Av | Rivera Builders | revision to pt #201509036116 - foundation replacement lower extg basement slab for 8'-o" clearance. relocate water heater.Details
revision to pt #201509036116 - foundation replacement lower extg basement slab for 8'-o" clearance. relocate water heater. | |
| Apr 28, 2016 | Completed final sign-off Sep 2019 | 2020 Green St | S F Garage Company Inc. | 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.Details
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. | $100,000 |
| Apr 5, 2016 | Completed final sign-off Oct 2024 | 534 04th Av | Bradford Construction | replace (e) deteriorated front stair w/new stair.Details
replace (e) deteriorated front stair w/new stair. | $6,000 |
| Dec 21, 2015 | Completed final sign-off Apr 2016 | 4545 19th St | new connecting stair to join part of 1st floor with e 2nd fl unit. remove existing sliding door inside rear bedroom on ground floor.Details
new connecting stair to join part of 1st floor with e 2nd fl unit. remove existing sliding door inside rear bedroom on ground floor. | $15,000 | |
| Sep 21, 2015 | Completed final sign-off Dec 2017 | 51 Holly Park Cr | Rivera Builders | convert existing basement to media room with new interior stair to 1/f and add a full bathroom on ground floor. no work visible from street.Details
convert existing basement to media room with new interior stair to 1/f and add a full bathroom on ground floor. no work visible from street. | $50,000 |
| Jun 15, 2015 | Expired or cancelled cancelled Jan 2026 | 832 Euclid Av | new residential elevator within existing building envelope, fence and gate at rear yard.Details
new residential elevator within existing building envelope, fence and gate at rear yard. | $35,000 | |
| Apr 17, 2015 | Completed final sign-off Mar 2017 | 334 Winfield St | raise (e) roof line over (e) space by 3'-6" & add new bathroom.Details
raise (e) roof line over (e) space by 3'-6" & add new bathroom. | $75,000 | |
| Dec 2, 2014 | Never finaled issued Dec 2016, no final | 772 Green St | remove part of (e) interior bearing wall at parlor, and part of (e) exterior bearing wall in lightwell, and structure to support roof. installation of windows at lightwell. no expansion of builDetails
remove part of (e) interior bearing wall at parlor, and part of (e) exterior bearing wall in lightwell, and structure to support roof. installation of windows at lightwell. no expansion of buil | $45,000 | |
| Sep 5, 2014 | Never finaled issued Feb 2016, no final | 772 Green St | construct roof top deck with glazed wind screen. with new stair and stair penthouse enclosure to access roof.Details
construct roof top deck with glazed wind screen. with new stair and stair penthouse enclosure to access roof. | $25,000 | |
| Sep 5, 2014 | Completed final sign-off Oct 2024 | 534 04th Av | Bradford Construction | replace (e) deteriorated front stair w/new stair. replace roof @ rear portion of house - add 2 bedrooms & 1 bath in former attic area.Details
replace (e) deteriorated front stair w/new stair. replace roof @ rear portion of house - add 2 bedrooms & 1 bath in former attic area. | $75,000 |
| May 16, 2014 | Completed final sign-off Mar 2017 | 138 Parker Av | Brendan Lalor Construction | alterations & expansion to 1st & 2nd & 3rd floor of subject property. 1st fl: add media room. 2nd fl: add breakfast room & deck. 3rd fl: add two bathrooms, breakfast roomand closet. horizontal expansion.Details
alterations & expansion to 1st & 2nd & 3rd floor of subject property. 1st fl: add media room. 2nd fl: add breakfast room & deck. 3rd fl: add two bathrooms, breakfast roomand closet. horizontal expansion. | $250,000 |
| Apr 9, 2014 | Completed final sign-off Aug 2014 | 2 Santa Rita Av | Andrew Moore Consulting | new office & bathroom at 1/f, remove stair from garage to 1/f, relocate water heater, new drainage connections, new power direct vent water heater & new stacked washer & dryer, replace/relocate electrical panel, new outlets including 2/f, replace windows & doors. this adds an office & bathroomDetails
new office & bathroom at 1/f, remove stair from garage to 1/f, relocate water heater, new drainage connections, new power direct vent water heater & new stacked washer & dryer, replace/relocate electrical panel, new outlets including 2/f, replace windows & doors. this adds an office & bathroom | $70,000 |
| Mar 20, 2014 | Expired or cancelled cancelled Dec 2015 | 1020 Filbert St | Tom Can Construction | remove illegal unit and convert back to legal use as a single family home, connect both floors with new staircase (interior)Details
remove illegal unit and convert back to legal use as a single family home, connect both floors with new staircase (interior) | $15,000 |
| Jan 2, 2014 | Completed final sign-off Apr 2014 | 525 Laurel St | Tom Can Construction | convert (e) bedroom and closet to one bedroom and one study room. add one window to exterior at north side. not visable from the streetDetails
convert (e) bedroom and closet to one bedroom and one study room. add one window to exterior at north side. not visable from the street | $35,000 |
| Jul 3, 2013 | Expired or cancelled cancelled Jan 2020 | 1052 Cole St | construction of metal balcony/deck, within (e) lightwellDetails
construction of metal balcony/deck, within (e) lightwell | $6,000 | |
| Jul 9, 2012 | Completed final sign-off Jul 2013 | 708 Ashbury St | to obtain final inspection for work approved under pa# 201104013296 all work is complete. original scope of work "reduce work scope to include, no work on 3/f & 4/f. sprinkler permit is questionable.Details
to obtain final inspection for work approved under pa# 201104013296 all work is complete. original scope of work "reduce work scope to include, no work on 3/f & 4/f. sprinkler permit is questionable. | ||
| Jul 9, 2012 | Completed final sign-off Jul 2013 | 708 Ashbury St | to obtain final inspection for work approved under pa# 200508160354 all work is complete.Details
to obtain final inspection for work approved under pa# 200508160354 all work is complete. | ||
| Mar 8, 2012 | Completed final sign-off Aug 2012 | 2825 Laguna St | San Francisco Design & Constr. | interior renovation including: convert bedroom to master bathroom, remove e non bearing partitions, new beam to support e beam new wall reinforcement. no exterior work on this permitDetails
interior renovation including: convert bedroom to master bathroom, remove e non bearing partitions, new beam to support e beam new wall reinforcement. no exterior work on this permit | $50,000 |
| Jan 11, 2012 | Completed final sign-off Jan 2013 | 306 Munich St | comply with complaint# 201149350. removal of unpermitted work and restore to initial condition.Details
comply with complaint# 201149350. removal of unpermitted work and restore to initial condition. | $300 | |
| Apr 6, 2011 | Expired or cancelled expired Jun 2012 | 708 Ashbury St | obtain permit to renew pa#200508160354 for final inspection and approval. additional story previously approved on pa#200508160354.Details
obtain permit to renew pa#200508160354 for final inspection and approval. additional story previously approved on pa#200508160354. | ||
| Apr 6, 2011 | Expired or cancelled expired Jun 2012 | 708 Ashbury St | obtain permit to renew pa#200806053760 for final inspection.Details
obtain permit to renew pa#200806053760 for final inspection. | ||
| Apr 1, 2011 | Expired or cancelled expired Jun 2012 | 708 Ashbury St | Bradford Construction | revision to pa# 2005.08.16.0354 to delete from original scope of work, all work on 3rd and 4th floor . this permit will reflect actual as built conditions. no const on this permit. this building will remain a three-story building. sprinkler system under seperate permit.Details
revision to pa# 2005.08.16.0354 to delete from original scope of work, all work on 3rd and 4th floor . this permit will reflect actual as built conditions. no const on this permit. this building will remain a three-story building. sprinkler system under seperate permit. | |
| Oct 9, 2008 | Completed final sign-off Mar 2011 | 120 Ripley St | horizontal addition to side yard.Details
horizontal addition to side yard. | $50,000 | |
| Jun 16, 2008 | Completed final sign-off Sep 2010 | 150 Chapman St | Brendan Lalor Construction | 3rd floor addition, 400 sf, general remodel: 1st fl: remove illegal kitchen and legalize toilet room, addition to stair. 2nd fl: e 3 bedroom to 2 bedroom, new bay window,new 1/2 bath. 3rd fl: new bedroom and full bath and exterior deck.Details
3rd floor addition, 400 sf, general remodel: 1st fl: remove illegal kitchen and legalize toilet room, addition to stair. 2nd fl: e 3 bedroom to 2 bedroom, new bay window,new 1/2 bath. 3rd fl: new bedroom and full bath and exterior deck. | $350,000 |
| Aug 3, 2006 | Expired or cancelled expired May 2007 | 120 Ripley St | remodel bathroom at 1/f, change lev at 2/f bathroom. build banquette seating in breakfast nook, remodel closets & laundry closet configuration replace 1 window.Details
remodel bathroom at 1/f, change lev at 2/f bathroom. build banquette seating in breakfast nook, remodel closets & laundry closet configuration replace 1 window. | $20,000 | |
| Jan 31, 2006 | Expired or cancelled expired Mar 2008 | 534 04th Av | Bradford Construction | build bedroom, bathroom with stair at (e) g/f, kitchen, bath @ 2/f. underpin (e) footings, garage girder, seismic reinforcement.Details
build bedroom, bathroom with stair at (e) g/f, kitchen, bath @ 2/f. underpin (e) footings, garage girder, seismic reinforcement. | $100,000 |
| Dec 23, 2005 | Completed final sign-off Oct 2008 | 652 Duncan St | vertical & horizontal addition- including two bedrms & bathrm on first flr, and dining rm on 2nd flr; vertical addition of one bedrm & bath; renovated kitchen; seismic improvement & general renovationsDetails
vertical & horizontal addition- including two bedrms & bathrm on first flr, and dining rm on 2nd flr; vertical addition of one bedrm & bath; renovated kitchen; seismic improvement & general renovations | $100,000 | |
| Nov 15, 2005 | Completed final sign-off Mar 2008 | 534 04th Av | Bradford Construction | conversion of existing first floor storage space to bedroom suite, horizontal addition including bedroom and breakfast room new kitchen, seismic improvementDetails
conversion of existing first floor storage space to bedroom suite, horizontal addition including bedroom and breakfast room new kitchen, seismic improvement | $175,000 |
| Aug 16, 2005 | Expired or cancelled expired Feb 2009 | 708 Ashbury St | Bradford Construction | renovate existing 2 units dwellings - move existing unit 1 to garage level. expand existing unit 2. add floor area to existing attic. fire sprinkler & structural upgrade.Details
renovate existing 2 units dwellings - move existing unit 1 to garage level. expand existing unit 2. add floor area to existing attic. fire sprinkler & structural upgrade. | $200,000 |
| May 20, 2005 | Completed final sign-off Aug 2006 | 564 Jersey St | Tom Can Construction | addition at both levels to the side of the bldg. adds one bathroom at 1st level. gas insert fire place at (e) living room.Details
addition at both levels to the side of the bldg. adds one bathroom at 1st level. gas insert fire place at (e) living room. | $20,000 |
| Apr 8, 2005 | Expired or cancelled expired Dec 2009 | 566 28th St | Bradford Construction | horizontal addition at second floor, over the garage. bathroom addition at both levels. kitchen remodel.Details
horizontal addition at second floor, over the garage. bathroom addition at both levels. kitchen remodel. | $100,000 |
| May 6, 2004 | Completed final sign-off Jul 2004 | 675 Pacheco St | reinforce e garage portal header, voluntary addition of plywood sheathing, boltingDetails
reinforce e garage portal header, voluntary addition of plywood sheathing, bolting | $5,000 |