Christopher P Mcmahon
Architect · Mcmahon Arch · San Francisco
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeArchitect C-22982First issued Jan 14, 1992, expires Sep 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?
- 106 permits since 2002, 106 in the last 5 years. Latest filed Sep 18, 2026.
- What kind of projects?
- Home remodel 32 · Addition 25 · Other 12
- 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: 32 permits in San Francisco
Time to get a permit
Median from filing to permit, from 27 issued permits filed since 1966; 1 still in review. City is the San Francisco median for the same kind of review, from 9,255 permits.
Where
- Castro/Upper Market8
- Mission4
- Hayes Valley4
- West of Twin Peaks3
Most recent
- 4546 19th StAdd bathroom , convert 2nd laundry to 2nd bathroom, remodel 1/2 bathroom, remodel pantryJun 10, 2026Filed
- 266 Connecticut StNon-structural. (soft) interior demo including walls, siding, and finishes.May 18, 2026Issued
- 203 Eureka StConvert (e) walk in closet to bathroom. add toilet, shower, change door 24" to 28", convert 110v to gfci. add sconce.Apr 10, 2026Complete
- 4334 19th StAdd 1/2 bathroom (2nd fl) in existing conditioned area to include direct vent with additional non bearing partition wall and add (2) interior doors. remodel (e) bathroom to replace (e) exhaust fan, tile and fixture and finishes. no shower pan removal. replace ladder steps to atticFeb 6, 2024Complete
- 161 Beaver StRemodel one bedroom,2 baths,1 kitchen,reconstruct laundry room fl,northwall and roof,add gangway(sloping roof deck)over new laundry roof(laundry room in kind const)no increase in footprint or height)add iron spiral stair from(e) lower patio to(e)upper deck.Nov 17, 2022Complete
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Sep 18, 2026 | 4092 18th St Install new modular bar, new customer seating, new sinks, w/d dookups, d/w hookup, replace incandes, w/l.e.d lighting, new ada ramp(12.5" floor ht difference), remove one entry door, replace windows in kind. Filed | Commercial or tenant improvement | Filed | — | |
| Jun 10, 2026 | 4546 19th St Add bathroom , convert 2nd laundry to 2nd bathroom, remodel 1/2 bathroom, remodel pantry Filed | Home remodel | Filed | — | |
| May 18, 2026 | 266 Connecticut St Non-structural. (soft) interior demo including walls, siding, and finishes. Issued | Home remodel | Issued | Within 1 month | |
| Apr 10, 2026 | 203 Eureka St Convert (e) walk in closet to bathroom. add toilet, shower, change door 24" to 28", convert 110v to gfci. add sconce. Complete | Home remodel | Complete | Within 1 month | |
| Sep 29, 2025 | 4546 19th St Demo interior window walls @ foyer (to be replaced w/guardrail). new roof over atrium w/12 skylights. new leveled flr @ atrium. add gas fireplace appliance @ east wall. add new electric in newly enclosed space. refinish (e) walls w/new drywall finish. extend (e) rear deck 4'-3", fully cantilevered. Issued | AdditionType unconfirmed | Issued | 6 months | |
| Sep 10, 2025 | 1942 Pacific Av #0 Replace (e)wooden deck @ rear w/a differently configured rear deck & enclosing the space underneath as extension of (e) basement rooms. basement flr: new addition to rear, remove (e) upper & lower decks & stiars, replace on grade wood rear deck w/mansory pavers, new glass doors & 1 new double hung w Triage | Addition | Triage | — | |
| Feb 25, 2025 | 3695 Market St Correective action to show plans of actual construction from permit(s) 201504133511 and 201609157791 to comply with nov 202424060 Filed | Legalize or fix a violation | Filed | — | |
| Dec 3, 2024 | 215 Eureka St Revision to pa# 201810223816: clarify roof type (metal) and revise carpentry slope. Complete | Revision or supplement | Complete | Within 1 month | |
| Feb 6, 2024 | 4334 19th St Add 1/2 bathroom (2nd fl) in existing conditioned area to include direct vent with additional non bearing partition wall and add (2) interior doors. remodel (e) bathroom to replace (e) exhaust fan, tile and fixture and finishes. no shower pan removal. replace ladder steps to attic Complete | Home remodel | Complete | Within 1 month | |
| Nov 17, 2022 | 161 Beaver St Remodel one bedroom,2 baths,1 kitchen,reconstruct laundry room fl,northwall and roof,add gangway(sloping roof deck)over new laundry roof(laundry room in kind const)no increase in footprint or height)add iron spiral stair from(e) lower patio to(e)upper deck. Complete | Home remodelType unconfirmed | Complete | 12 months | |
| Apr 18, 2022 | 1942 Pacific Av #0 Replace (e) wood deck with new wood deck in same location. replace (e) exterior stair. new deck is approximately 118 sq.ft. add a 3'x 7' balcony at 3rd flr, directly above deck. Withdrawn | Deck, stairs or patio cover | Withdrawn | — | |
| Apr 7, 2022 | 1909 V Quesada Av Erect a 3 story,1 dwelling duplex type 5b. Filed | New building | Filed | — | |
| Apr 7, 2022 | 1909 V Quesada Av Erect a 4 stories,2 dwelling with one basement duplex type 5b. Filed | New building | Filed | — | |
| Jan 3, 2022 | 266 A Connecticut St Rear horizontal & vertical addition. remodel/reconfig (e) sdf to add 1 new unit. add new 6 bathrms. remove (e) kitchen & replace w/new for lower unit. add kitchen & living spaces for upper unit. expand garage. add roof deck. alter front & rear of bldg w/new facade. n flat roof. upgrade foundation. Issued | AdditionType unconfirmed | Issued | 49 months | |
| Aug 17, 2021 | 1942 Pacific Av #0 Rev to pa202008272787: change a rear window to french door in (e) opening, max u factor 0.30. add code compliant iron guardrail. no balcony. Complete | Revision or supplement | Complete | 2 months | |
| May 6, 2021 | 266 Connecticut St Demolish existing 3-story type v single family residence Withdrawn | Other | Withdrawn | — | |
| May 6, 2021 | 266 Connecticut St Erect new 4-story type v 2 family residence Withdrawn | New building | Withdrawn | — | |
| Aug 27, 2020 | 1942 Pacific Av #0 Bsmt: replace & repair full foundation, remodel lower kitchen flr, relocate/remodel bath, relocate & upgrade mech equip, add shared laundry rm, new wine closet. 1st fl: remodel kitchen, relocate powder rm, repair (e) staircase, open wall below main stair. 2nd fl: remodel 2 baths, add gas appliance Complete | Seismic retrofit or foundationType unconfirmed | Complete | 6 months | |
| Dec 27, 2019 | 1101 V Jarboe Av To erect 3-story, type 5b, no basement, 2 residential unit building. Filed | New building | Filed | — | |
| Jul 24, 2019 | 2424 Divisadero St Remodel kitchen and remove rear yard bay window. remodel 5 bathrooms, all new electrical work( abandon old knob and tube where possible) convert unheated storage @ 2nd floor to heated rooms and media, hobby. remove photography studio/darkroom at front of 2nd floor. repair dry rot @ rear. Complete | Home remodel | Complete | 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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