J Mastro
Architect · Cm Architects
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeArchitect C-35515First issued Jan 13, 2016, expires Jun 30, 2027.
Source: DCA License Search, 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?
- 79 permits since 2018, 79 in the last 5 years. Latest filed Dec 7, 2022.
- What kind of projects?
- ADU 38 · Commercial or tenant improvement 13 · Home remodel 9
- How long do their permits take?
- Commercial or tenant improvement: 7 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.
ADU: 38 permits in San Francisco
Time to get a permit
Median from filing to permit, from 19 issued permits filed since 1966; 12 still in review.
Where
- Nob Hill7
- Hayes Valley5
- Mission5
- Lone Mountain/USF3
Most recent
- 430 Baker StAddition of three(3) adus per ordinance 162-16 at the rear accessory structure. this permit is traveling togather with bpa# 202110210953.Oct 21, 2021Filed
- 430 Baker StAddition of 4 accessory dwelling units per ordinance 162-16.the proposed adus are located within the ground floor of the main existing structure. this permit travels with bpa# 202110210954.Oct 21, 2021Filed
- 142 Ellert StAddition of one (1) accsessory dwelling units to an existing rear yard structure per government code section 65852.2.the proposed adu is located at the first floor within the existing envelope of the rear structure.Jun 7, 2021Filed
- 1342 Mason St #0Addition of one (1) accessory dwelling unit (adu), per state law, to an existing seven (7) unit building; total of 8 units. the proposed adu will be located within existing building envelope at the ground floor.May 10, 2021Issued
- 510 Stockton St #0Addition of two (2) accessory dwelling units (adu) per ordinances 162-16, to an existing sixteen (16) unit building for a total of 18 units. the new proposed dwelling units are located within the existing building envelope at the first floor.Mar 29, 2021Issued
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Oct 6, 2025 | 1656 Sacramento St Revision to pa #201911066648 to widen exterior slider doors facing backyard and remove washer dryer from scope to create a camera room. Complete | Revision or supplement | Complete | Within 1 month | |
| Apr 3, 2024 | 737 Pine St Revision to permit 202012100754. remove from scope: the proposed partition walls, slab and steps within storage rooms. Complete | Revision or supplement | Complete | Within 1 month | |
| Sep 19, 2023 | 505 Garfield St Rev to pa#2021-0929-9456; relocate proposed bathroom including minor changes to proposed elevations Complete | Revision or supplement | Complete | Within 1 month | |
| Feb 9, 2023 | 512 Grant Av #0 Revision to pa 2022-0420-2637 convert part of single proposed tenant space into an add'l (n) tenant shell space for fuure use as limited restaurant b occupancy and convert (e) non accessible toilet to accessible toilet. limited restaurant under separate permit Cancelled | Revision or supplement | Cancelled | Within 1 month | |
| Dec 7, 2022 | 4356 California St Accessible business entrance compliance. abe# 202205160835. barrier removal only. Complete | Commercial or tenant improvement | Complete | 6 months | |
| Dec 7, 2022 | 1320 Ocean Av To comply with compliant 202014812 - legalize build out of multiple b occupancy tenant spaces within the existing envelope, including chages to facade and stair at rear yard. mep deferred. Filed | Legalize or fix a violation | Filed | — | |
| Oct 25, 2022 | 351 Louisburg St Add (1) adu at the 3/f - unit 351b (761 sf) & (1) junior adu located at the 1/f - unit 351a (500 sf), resulting in a change of occupancy. both within (e) building envelope of single family structure per ca state government code sect. 65852.2 & sect. 65852.22 to comply w/ complait #201937931. Complete | Legalize or fix a violation | Complete | 11 months | |
| May 11, 2022 | 563 Webster St Revision to pa# 201608104638. including removal of toilet room serving commercial space. provide plumbing fixture count for future tenant improvement at commercial. Issued | Revision or supplement | Issued | 2 months | |
| Apr 27, 2022 | 113 Newman St Convert (e) covered patio at front of property into (n) bathroom and enlarge (e) bedroom. add (n) deck to remodeled bedroom Complete | AdditionType unconfirmed | Complete | 17 months | |
| Apr 21, 2022 | 278 Joost Av Conversion of garage/storage to bedroom, bathroom, laundry. Complete | Home remodel | Complete | Within 1 month | |
| Jan 31, 2022 | 264 Missouri St Interior remodel of unit 264 and 266 within envelope of the existing building. improvement of eero route at basement level. voluntary strengthning upper two levels by addings plywood shearwall. Complete | Home remodelType unconfirmed | Complete | Within 1 month | |
| Jan 25, 2022 | 77 Winfield St (n) door & (n) window in place of (e) windows facing rear yard. infill of (e) foor to rear yard, addition of steps and area drawin in rear yard. Cancelled | OtherType unconfirmed | Cancelled | — | |
| Nov 12, 2021 | 2044 Fillmore St Revision to 202108267167: new lighting plan for t.i. on 2nd/f Complete | Revision or supplement | Complete | Within 1 month | |
| Nov 9, 2021 | 1888 Clement St Revision to bpa# 201910023383 to correct the (e) + (p) occupancy classifications and use classification stated in pts for pa# 201910023383 and to correct type of construction to type vb. create exit separation. add security gate. Complete | Revision or supplement | Complete | 3 months | |
| Oct 21, 2021 | 430 Baker St Addition of three(3) adus per ordinance 162-16 at the rear accessory structure. this permit is traveling togather with bpa# 202110210953. Filed | ADU | Filed | — | |
| Oct 21, 2021 | 430 Baker St Addition of 4 accessory dwelling units per ordinance 162-16.the proposed adus are located within the ground floor of the main existing structure. this permit travels with bpa# 202110210954. Filed | ADU | Filed | — | |
| Oct 20, 2021 | 411 Burnett Av Expansion of deck @ 1/f & 2/f level Complete | Deck, stairs or patio cover | Complete | 12 months | |
| Oct 6, 2021 | 540 Junipero Serra Bl Legalization of an one story horizontal addition of an (e) unconditioned sunroom @ rear of building in conjunction w/planning application 2021003961var Complete | Legalize or fix a violation | Complete | 16 months | |
| Sep 29, 2021 | 505 Garfield St Single story addition within rear yard, to an existing single family dwelling. renovation of existing kitchen and deck on the roof of single story addition. Complete | Addition | Complete | 18 months | |
| Sep 28, 2021 | 2044 Fillmore St Rev to pa 202108267167. t.i. to (e) tenant space at 2/f. no change to legal non-conforming accessory massage not greater than 300sf established per mb020035 in april 2002 to (e) wellness station. no exterior changes. Complete | Revision or supplement | 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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