CheckMyDesignerDerek Williams Dutton
Architect · Twm Architects & Planners · San Rafael
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeArchitect C-22581First issued Aug 30, 1991, expires Feb 28, 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?
- 9 permits since 2012, 9 in the last 5 years. Latest filed Oct 16, 2026.
- What kind of projects?
- Commercial or tenant improvement 6 · Other 2 · Legalize or fix a violation 1
- How long do their permits take?
- Commercial or tenant improvement: 4 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.
Commercial or tenant improvement: 6 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 9,196 permits.
Where
- Pacific Heights3
- Lone Mountain/USF2
- Bayview Hunters Point1
Most recent
- 1314 Fitzgerald AvGraffeo coffee roasting: t.i. within an existing 3,176 sq ft commercial tenant space (unit 2). scope of work to include installation of coffe roasting equipments and construction of new break room. no change to building footprint and no exteriorMar 4, 2026Issued
- 2901 Pacific AvBox out lobby wall to create seating nook at reception desk at entry level, 20 sq. ft. infillDec 14, 2022Issued
- 2901 Pacific AvConvert e hotel room to sitting room, living room. remove toilet room, convert to storageDec 14, 2022Issued
- 2901 Pacific AvProject consists of interior upgrades to (e) guestrooms & common areas & upgrades to the (e) elevator. ada upgrades. no exterior work. fire sprinkler under a separate permit. mep under a separate permit.Aug 19, 2016Complete
- 3575 Geary BlMinor alterations to existing ground floors clinic space. relocation of existing dental exam room. mep, life safety sep. permitsOct 26, 2012Complete
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Oct 16, 2026 | 125 Elsie St Remove dryrot, remove and replace stainless cornice with steel, remove stucco siding inside parapet, replace with wood, remove pipe rail, replace with glass. Issued | Other | Issued | Within 1 month | |
| Mar 4, 2026 | 1314 Fitzgerald Av Graffeo coffee roasting: t.i. within an existing 3,176 sq ft commercial tenant space (unit 2). scope of work to include installation of coffe roasting equipments and construction of new break room. no change to building footprint and no exterior Issued | Commercial or tenant improvement | Issued | Within 1 month | |
| Dec 14, 2022 | 2901 Pacific Av Box out lobby wall to create seating nook at reception desk at entry level, 20 sq. ft. infill Issued | Commercial or tenant improvement | Issued | 4 months | |
| Dec 14, 2022 | 2901 Pacific Av Convert e hotel room to sitting room, living room. remove toilet room, convert to storage Issued | Commercial or tenant improvement | Issued | Within 1 month | |
| Apr 15, 2021 | 205 Jones St 100% affordable housing. scope: fire damage repair to two stacks of dwelling units on all seven floors. repair fire damage and return the damaged units to service for the displaced residents. replacement material to be replaced as close to existing as possible. to comply with nov 202052931. Complete | Legalize or fix a violation | Complete | 1 month | |
| Aug 19, 2016 | 2901 Pacific Av Project consists of interior upgrades to (e) guestrooms & common areas & upgrades to the (e) elevator. ada upgrades. no exterior work. fire sprinkler under a separate permit. mep under a separate permit. Complete | Commercial or tenant improvement | Complete | 4 months | |
| Aug 8, 2016 | 2027 Mission St Remove and replace watertight, all exterior windows and patch siding on the residential floors 1-4. above the podium level to resolve ongoing water leakage. alumimum to aluminum. upgrade guardrails per plan. Complete | Other | Complete | 9 months | |
| Oct 26, 2012 | 3575 Geary Bl Minor alterations to existing ground floors clinic space. relocation of existing dental exam room. mep, life safety sep. permits Complete | Commercial or tenant improvement | Complete | 5 months | |
| Oct 16, 2012 | 3575 Geary Bl Minor alteration to existing ground floor tenant improvement. work is restricted to ground floor office, clinic and adult day care areas. no work is proposed in residential areas, and no work is proposed in the basement or floors above the ground floor. see plan's cover sheet area b thru e. Issued | Commercial or tenant improvement | Issued | 7 months | |
| Jun 7, 2010 | 3575 Geary Bl Revision to pa #2007-0222-4724 to provide stand-pipe closets on 1st & 2nd floors (4 closets total). Complete | Revision or supplement | Complete | Within 1 month | |
| Jun 11, 2009 | 3575 Geary Bl Revisions to pa# 2007.02.22.4724 s2 ( under constr). revised locations of elec. closets and other minor interior field changes Complete | Revision or supplement | Complete | 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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