Ross Allen Hummel
Architect · Lineoffice Arch. · San Francisco
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeArchitect C-31282First issued Aug 22, 2007, expires Nov 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?
- 22 permits since 2005, 22 in the last 5 years. Latest filed Aug 19, 2026.
- What kind of projects?
- Commercial or tenant improvement 11 · Home remodel 5 · Deck, stairs or patio cover 2
- How long do their permits take?
- Commercial or tenant improvement: 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.
Commercial or tenant improvement: 11 permits in San Francisco
Time to get a permit
Median from filing to permit, from 9 issued permits filed since 1966. City is the San Francisco median for the same kind of review, from 15,396 permits.
Where
- Financial District/South Beach3
- Pacific Heights2
- Noe Valley2
- Mission1
Most recent
- 2100 Webster St3/fl-suite 331-332- ti for medical offices to include non structrual partitions, finishes, fixtures, equipment and mepFeb 27, 2025Issued
- 2100 Webster StSuite 100 - ti to remove and replace (n) finishes, lighting, partition walls and equipmentFeb 6, 2025Issued
- 4063 24th StTi-renovation to remove and replace finishes. demo (e) service counter and construct new service counter in kind. new food service equipment in service and food prep area. existing hvac system (type 1 head to remain mau-1.Aug 3, 2023Complete
- 730 Howard StTenant ti renovation to remove and replace finishes, plumbing fixtures, and lighting; add toilet partitions in restrooms. mew food service equipment in service and food prep areasMay 17, 2023Complete
- 2440 Mariposa St #0Interior t.i. to (e) office. selective demo & (n) framing & fixtures on 1st & 2nd fl offices. accessibility upgrade to front door, 1st & 2nd fl restrooms, & signage. (n) controls & lighting throughout.Jan 11, 2022Issued
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Aug 19, 2026 | 734 Vallejo St #0 To comply with nov 202302112. remove awning and roll down security door per nov. ti -remove and replace finishes, new stairs, new lighting, new plumbing fixtures, new partition walls, new equipment and mechanical systems. barrier removal to storefront and improved accessible path of travel Issued | Legalize or fix a violation | Issued | 2 months | |
| Feb 27, 2025 | 2100 Webster St 3/fl-suite 331-332- ti for medical offices to include non structrual partitions, finishes, fixtures, equipment and mep Issued | Commercial or tenant improvement | Issued | 2 months | |
| Feb 6, 2025 | 2100 Webster St Suite 100 - ti to remove and replace (n) finishes, lighting, partition walls and equipment Issued | Commercial or tenant improvement | Issued | Within 1 month | |
| Aug 3, 2023 | 4063 24th St Ti-renovation to remove and replace finishes. demo (e) service counter and construct new service counter in kind. new food service equipment in service and food prep area. existing hvac system (type 1 head to remain mau-1. Complete | Commercial or tenant improvement | Complete | 2 months | |
| May 17, 2023 | 730 Howard St Tenant ti renovation to remove and replace finishes, plumbing fixtures, and lighting; add toilet partitions in restrooms. mew food service equipment in service and food prep areas Complete | Commercial or tenant improvement | Complete | 3 months | |
| Jan 11, 2022 | 2440 Mariposa St #0 Interior t.i. to (e) office. selective demo & (n) framing & fixtures on 1st & 2nd fl offices. accessibility upgrade to front door, 1st & 2nd fl restrooms, & signage. (n) controls & lighting throughout. Issued | Commercial or tenant improvement | Issued | Within 1 month | |
| Jun 12, 2020 | 68 Mars St Rear addition and interior renovation. new retaining walls at rear yard. new interior walls, finishes, lighting, and plumbing fixtures. Complete | Addition | Complete | 10 months | |
| Jun 12, 2020 | 765 Market St #25 Interior tenant improvement to remove & replace non-structural walls, finishes,plumbing fixtures & lighting fixtures. no structural work to be performed. Issued | Home remodel | Issued | 8 months | |
| Jun 12, 2020 | 537 Pennsylvania Av #537 Renovation to third story existing stairwell, new rooftop stair enclosure, new parapet wall and new plumbing fixtures. remodel existing roof patio. Complete | Deck, stairs or patio cover | Complete | 12 months | |
| Aug 6, 2019 | 689 Minna St Exterior infill at (e) bathroom to repair roof & envelope. new parapet wall & fence. remove (e) skylights & (e) fireplace. Complete | Other | Complete | 10 months | |
| Jul 10, 2019 | 4744 03rd St Change of use from office to fitness studio. tenant interior improvement to remove & replace finishes, install new partition walls, new lighting, new plumbing fixtures, structural upgrades Cancelled | Commercial or tenant improvement | Cancelled | — | |
| Jun 27, 2019 | 685 Market St Tenant improvement to remove and replace finishes, new lighting, new partition wall, and new food service equipment Complete | Commercial or tenant improvement | Complete | Within 1 month | |
| Oct 19, 2018 | 670 Brunswick St Demolition of existing children's play area & installation of new play equipment, planting & irrigation & seating. replacement of fencing & pathways to make them accessible. interior improvements to restroom to make them ada compliant. new safety lighting. Complete | Retaining wall or site workType unconfirmed | Complete | 6 months | |
| Sep 14, 2017 | 70 A Henry St Replacement of extg precast terrazzo entry stair. treads and risers with new precast terrazzo stair treads and risers in kind. Cancelled | Deck, stairs or patio cover | Cancelled | — | |
| Feb 3, 2017 | 1626 Vallejo St #0 Apt g- remove/replace int incl demo non-struct walls, install new recessed lighting thru-out, install new kitchen appliances, new casework, renovate (e) bath incl remove/replace plbg fixtures in kind. add new powder room (toilet and sink),add new washer/dryer closet, painting & hall closet. Complete | Home remodel | Complete | Within 1 month | |
| Sep 30, 2016 | 1550 Church St Change extg bar facade/counter tops as well as add a hand sink, bar well, drain board(no open floor trenching, will use extg floor drains) Complete | Commercial or tenant improvement | Complete | Within 1 month | |
| Jul 29, 2016 | 1342 Filbert St Renovation of (e) kitchen including removal of wall & new appliances & casework. conversion of (e) powder room into new master bath including addition of shower & replacement of toilet in (e) location. new lighting in areas of alteration - no exterior work Complete | Home remodel | Complete | Within 1 month | |
| Apr 13, 2016 | 465 California St Install shelving & new counters, install case work around refrigerators, paint for new limited restaurant (grab n go). l/s under separate permit. Cancelled | Commercial or tenant improvement | Cancelled | — | |
| Nov 16, 2015 | 2030 Lombard St Ti to an existing unsprinklered 1st story a-2 restaurant use, interior repalcement of finishes, accessible restrooms, new bar & dining area.exterior replacement of entry glazing & door,structural shear wall & entry. reframing no change to 2nd and 3rd stories. Complete | Commercial or tenant improvement | Complete | Within 1 month | |
| Sep 18, 2015 | 4433 17th St Interior remodel to an existing s.f. residence. work includes reconfiguration of existing bath & addition of new bth. replacement of existing french doors. updating interior finsihes. Issued | Home remodel | Issued | 9 months |
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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