Thaddeus Jeffrey Plonowski
Architect · Plonowski Architects+Builders · Mill Valley
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeArchitect C-23049First issued Feb 20, 1992, expires Jun 30, 2027.
Source: DCA license roster, retrieved Nov 5, 2026
- Any board discipline?
- None found.
We searched the California Architects Board enforcement list on Nov 5, 2026.
- Worked in San Francisco?
- 16 permits since 2005, 16 in the last 5 years. Latest filed Sep 10, 2025.
- What kind of projects?
- Home remodel 7 · Addition 3 · Legalize or fix a violation 2
- How long do their permits take?
- Home remodel: within 1 month. 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.
Home remodel: 7 permits in San Francisco
Time to get a permit
Median from filing to permit, from 6 issued permits filed since 1966. City is the San Francisco median for the same kind of review, from 5,178 permits.
Where
- Japantown3
- Sunset/Parkside1
- Outer Richmond1
- Pacific Heights1
Most recent
- 1401 39th AvInterior remodel of 2nd fl apt unit. demo (e) bathroom and (e) bedroom. build (n) 3rd bedroom, (n) kitchen, two (n) bathrooms, and (n) closets. removal wall at lightwellSep 10, 2025Complete
- 4146 Fulton StReframe garage door opening, install nw overhead door, install new trench drain. remove extg 2nd f. interior walls, install n post & beams. remodel kitchen with n cabs, counter, elect, lighting $ plmg, install n washer/dryer at 3rd fl. replace e clay f.p. flue w/new metal pipe.Dec 28, 2018Issued
- 1825 Sutter StRemodel kitchen @ 2nd floor - install (n) cabinets, counters, appliances, (2) new sinks & faucets, (n) lighting /electrical. replace exisitng windows & french doors w/new. build wood 8" box for shelf niche.Oct 16, 2015Complete
- 1825 Sutter StRemodel 3rd flr bathroom incl (n) shower, lav & w.c., lighting; install 3 (n) skylights & (n) 1-hr rated parapet wall.Oct 1, 2014Issued
- 2123 Bush StRemodel 1st floor apartment. kitchen, 2 baths, laundry room, new windows/doors. remove walls at rear of apt and install new stuctural. remove (e) shed and porch at rear and install new deck at grade.Mar 4, 2014Withdrawn
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| May 8, 2026 | 1401 39th Av Revision for as-built floor plans to 202509105036: add coat closet, revise bathroom layout, relocate laundry. new furnace under separate permit. Issued | Revision or supplement | Issued | Within 1 month | |
| Sep 10, 2025 | 1401 39th Av Interior remodel of 2nd fl apt unit. demo (e) bathroom and (e) bedroom. build (n) 3rd bedroom, (n) kitchen, two (n) bathrooms, and (n) closets. removal wall at lightwell Complete | Home remodel | Complete | Within 1 month | |
| Jun 12, 2025 | 110 Castenada Av Repair e) front roof deck. remove e) tile & concrete slab. install new waterproof decking & new matel guard Complete | Deck, stairs or patio cover | Complete | Within 1 month | |
| Aug 17, 2023 | 233 Lincoln Wy Interior remodeling to build a new 1-bedroom unit at 1st flr. (legal unit under density), new unit to include new kitchen, living and closets and laundry closet. Complete | Commercial or tenant improvement | Complete | 2 months | |
| Dec 27, 2019 | 450 14th St Legalization of (e) unit built w/o permit per ord# 43-14. install (n) elec. in (e) kitchen. install (n) fire sprinklers in unit.**maher n/a** Filed | Legalize or fix a violation | Filed | — | |
| Dec 28, 2018 | 4146 Fulton St Reframe garage door opening, install nw overhead door, install new trench drain. remove extg 2nd f. interior walls, install n post & beams. remodel kitchen with n cabs, counter, elect, lighting $ plmg, install n washer/dryer at 3rd fl. replace e clay f.p. flue w/new metal pipe. Issued | Home remodelType unconfirmed | Issued | Within 1 month | |
| Sep 6, 2017 | 580 Corbett Av Revision to pa 2017-0714-1968 - remove (e) dropped header beam in kitchen and install new recessed (flush) beam in ceiling. Complete | Revision or supplement | Complete | Within 1 month | |
| Oct 16, 2015 | 1825 Sutter St Remodel kitchen @ 2nd floor - install (n) cabinets, counters, appliances, (2) new sinks & faucets, (n) lighting /electrical. replace exisitng windows & french doors w/new. build wood 8" box for shelf niche. Complete | Home remodel | Complete | Within 1 month | |
| Oct 1, 2014 | 1825 Sutter St Remodel 3rd flr bathroom incl (n) shower, lav & w.c., lighting; install 3 (n) skylights & (n) 1-hr rated parapet wall. Issued | Home remodel | Issued | Within 1 month | |
| Mar 4, 2014 | 2123 Bush St Remodel 1st floor apartment. kitchen, 2 baths, laundry room, new windows/doors. remove walls at rear of apt and install new stuctural. remove (e) shed and porch at rear and install new deck at grade. Withdrawn | Home remodelType unconfirmed | Withdrawn | — | |
| Mar 26, 2012 | 1 Panorama Dr Install approx 7 lin ft of new 1 hour rated 2x4 wall in e garage, to form new tv room. install new 20 min rated door in new wall Complete | Home remodel | Complete | Within 1 month | |
| Jan 20, 2012 | 180 Guerrero St #0 Remove (e) kitchen on 1st floor. install (n) rooms, (n) bath and (n) staircase on 1st floor. including (n) structural work for stair. remodel (e) kitchen and bathroom on 2nd foor - unit #180. (interior remodeling). comply with his nov # Complete | Legalize or fix a violation | Complete | Within 1 month | |
| Jun 3, 2010 | 1821 Sutter St Work is 1821 sutter st.: interior remodeling to (e) apartment unit at the 1st. flr.; install (n) post & beams, remodel kitchen & bathroom, install (n) window & doors. (n) elec., plumbing, flooring & gypsum board & paint. Expired | Home remodel | Expired | Within 1 month | |
| Jun 19, 2008 | 1343 Oak St Rebuild in kind existing exterior front entry staircase,including new reinforced concrete footings, new cmv walls, new concrete treads and risers. also includes demo of existing staircase. revision to appl. # 200507016684, 200806104037. Issued | Revision or supplement | Issued | Within 1 month | |
| Dec 11, 2007 | 215 Tingley St Rebuild existing front entry staircase in kind. (e) top landing to remain. Expired | Deck, stairs or patio cover | Expired | Within 1 month | |
| Sep 11, 2007 | 215 Tingley St Build new 3rd story addition (partial) +/-20'x25' including (n) bedroom, roof deck and bathroom. remodel 1/f to include (n) living, kitchen, bath and laundry, minor interior remodeling at 2/f Expired | Addition | Expired | 5 months | |
| Mar 30, 2007 | 195 Alhambra St Unit #3; 2nd floor-note: fire alarm for elevator recall on seperate permit. install new elevator and new 1 hour rated shaft in garage at the 1st floor through to the apartment on the 2nd floor. note: private elevator serving one apartment#3. Complete | Other | Complete | Within 1 month | |
| Dec 20, 2005 | 205 Cotter St Raise house 3 ft. install new foundation, build new 3rd story addition. rebuild (e) sotricases, add new stair from 3rd flr, install new elevator. minor interior remodeling @ (e) 1st & 2nd floors. Complete | Addition | Complete | 10 months | |
| Jul 1, 2005 | 1343 Oak St New foundation & support for building. excavate to extend (e) garage for storage space. w/(e) bldg Issued | AdditionType unconfirmed | Issued | Within 1 month |
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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