CheckMyDesigner

Stephen Antonaros

Architect · Stephen Antonaros Arch. · San Francisco

Public records

From the licensing board and the city of San Francisco.

The short answer

Licensed?
License activeArchitect C-14386First issued Sep 27, 1983, expires Jun 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?
117 permits since 2000, 117 in the last 5 years. Latest filed Aug 3, 2026.
What kind of projects?
Commercial or tenant improvement 29 · New building 27 · Other 18
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: 29 permits in San Francisco

From 2004 to 2024, latest filed Jan 10, 2024.
Permits
156 permits that name Stephen Antonaros, newest first, including 39 revisions or supplements that are not counted. Select a permit to see the full record.
FiledProjectOpen
Aug 3, 2026462 Haight St

Add new full bath, remodel e) full bath, replace e) tub/shower, install new laundry hook-uo at e) porch laundry @ 2nd/f (unit 462) replace kitchen cabinet & appliance, close up 3 doors, general remodeling, new sheetrock as required (part of kithcen remodel under 202607245529) no exterior work

Issued
Mar 31, 202599 Onondaga Av

Convert (e) commercial space into new dwelling unit with 1 kit,2 bath, 3 bed; convert (e) 2-car garage into 1 adu (state) with 1 kit, 1 bath,2 bed. new roof deck and exterior stair to roof deck

Issued
May 31, 20243180 22nd St

No construction: to legalize the (e) sign to comply with the awning amnesty program.

Filed
May 31, 20243184 22nd St

No construction: to legalize the (e) sign to comply with the awning amnesty program.

Filed
May 31, 2024969 Market St

No construction. to legalize existing awning (the village 969 market) to comply with awning amnesty program.

Filed
May 28, 20241742 Haight St

Prop h: to comply with awning amesty program. to legalize double-faced illuminated projecting sign for "sock shop" intalled without permit. no construction.

Complete
May 3, 2024425 Divisadero St

Prop h: to comply with awning amesty program, to legalize existing sign. no construction. "oak street laundry"

Complete
Feb 28, 2024123 Mullen Av

Revision to existing pa# 202008582879s1. move entry door from side to front, remove one window from front due to structural; add new larger window on side.

Complete
Jan 10, 20241801 Mission St

Ti at vacant ground floor space. new ada restroom, lights & elec plugs. no first use proposed.

Issued
Oct 24, 20231042 Pacheco St

New 1st & 2nd floor decks at rear of existing single family dwelling; interior alterations at 1st floor, adding bathroom & bedroom - no new dwelling unit.

Complete
Oct 24, 2023123 Mullen Av

Request nfpa change 13 to nfpa 13d (6) sprinkler 400sqft under adu. revision to pa 202008282879 and ref fire pa 20303073148.

Issued
May 12, 202321 Joy St

Ref pa# 202101062180. replace glass railing at roof deck with metal railings (42" high + 4" o.c. balusters)

Complete
May 12, 202315 Joy St

Ref pa# 202012301906. replace glass railing at roof deck with metal railings (42" high + 4" o.c. balusters)

Complete
May 12, 20239 Joy St

Ref pa# 202012301913. replace glass railing at roof deck with metal railings (42" high + 4" o.c. balusters)

Issued
Jun 30, 20223168 22nd St

Install power door operator to comply with accessible entrance program. abe 201901254670

Complete
Jun 8, 2022101 Liberty St

Remodel all (e) bathrooms. new windows & doors. repair (e) siding in-kind. relocate (e) wood shear wall at penthouse level. widen (e) roof deck at penthouse level.

Complete
May 25, 20224340 25th St

Interior remodel at ground floor - addition of new kitchen, new bathroom and storage area at ground floor. **building envelope will not be englarged. no new unit added.

Complete
Nov 19, 2021239 Ordway St

The project proposes a new 2 bedroom 2 bath adu (under the state program) to be created from the converted previously approved but not yet constructed lower floor of a new construction 3-story house. the resulting single family dwelling will be 2-stories and 3 bedrooms, 3 1/2 baths.

Cancelled
Nov 15, 2021237 Ordway St

The project proposes a new 2 bedroom 2 bath adu (under the state program) to be created from the converted previously approved but not yet constructed lower floor of a new construction 3-story house. the resulting single family dwelling will be 2-stories and 3 bedrooms, 3 1/2 baths.

Cancelled
Oct 18, 20211863 Mission St

As built non- structural interior partition. changes to dwelling unit layouts. changing all studios to 1 bedrooms. ref app#200603277584.

Withdrawn

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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