CheckMyDesigner

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

Verify on DCA License Search

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.

Permits
24 permits that name Ross Allen Hummel, newest first, including 2 revisions or supplements that are not counted. Select a permit to see the full record.
FiledProjectOpen
Aug 19, 2026734 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
Feb 27, 20252100 Webster St

3/fl-suite 331-332- ti for medical offices to include non structrual partitions, finishes, fixtures, equipment and mep

Issued
Feb 6, 20252100 Webster St

Suite 100 - ti to remove and replace (n) finishes, lighting, partition walls and equipment

Issued
Aug 3, 20234063 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
May 17, 2023730 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
Jan 11, 20222440 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
Jun 12, 202068 Mars St

Rear addition and interior renovation. new retaining walls at rear yard. new interior walls, finishes, lighting, and plumbing fixtures.

Complete
Jun 12, 2020765 Market St #25

Interior tenant improvement to remove & replace non-structural walls, finishes,plumbing fixtures & lighting fixtures. no structural work to be performed.

Issued
Jun 12, 2020537 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
Aug 6, 2019689 Minna St

Exterior infill at (e) bathroom to repair roof & envelope. new parapet wall & fence. remove (e) skylights & (e) fireplace.

Complete
Jul 10, 20194744 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
Jun 27, 2019685 Market St

Tenant improvement to remove and replace finishes, new lighting, new partition wall, and new food service equipment

Complete
Oct 19, 2018670 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
Sep 14, 201770 A Henry St

Replacement of extg precast terrazzo entry stair. treads and risers with new precast terrazzo stair treads and risers in kind.

Cancelled
Feb 3, 20171626 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
Sep 30, 20161550 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
Jul 29, 20161342 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
Apr 13, 2016465 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
Nov 16, 20152030 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
Sep 18, 20154433 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

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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