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Ryan Michel Leidner

Architect · Ryan Leidner Architecture

Public records

From the licensing board and the city of San Francisco.

The short answer

Licensed?
License activeArchitect C-34747First issued Jul 24, 2014, expires Apr 30, 2027.

Source: DCA License Search, 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?
21 permits since 2013, 21 in the last 5 years. Latest filed Jun 8, 2021.
What kind of projects?
Home remodel 9 · Addition 4 · Commercial or tenant improvement 3

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
30 permits that name Ryan Michel Leidner, newest first, including 9 revisions or supplements that are not counted. Select a permit to see the full record.
FiledProjectOpen
Sep 24, 20252859 22nd St

Revision to permit 202009254954. replace (e) masonry front wall in-kind with new brick-clad framed wall. revised title 24 report. reduce height of (e) south wall to 10 ft

Issued
Aug 28, 2023124 Turquoise Wy

Revision to pa #202106081928, (n) deck extension at rear yard in-ground spa. revised structural design for deck and previously permitted interior remodel.

Expired
Jun 8, 2021124 Turquoise Wy

Proposed alterations include excavation to convert g/f crawl space to new living space. remodel upper level, (n) mechanical, electrical, plumbing systems. new deck at grade in rear yard. no expansion to building envelope

Expired
Mar 4, 202181 Santa Rita Av

Ground floor interior remodel: excavation at (e) ground floor mechanical and storage space for relocated master bath and closet, new office and new bathroom. no expansion to building envelope or footprint.

Issued
Oct 1, 20204316 23rd St

Sfd two story over garage, wood framed structure is to be expanded, interior remodel including bathrooms and kitchen, vertical addition at rear of building, new dormer windows at front.

Filed
Sep 25, 20202859 22nd St

Vertical addition. change of use and change of occupancy from religious building to multi-family residence. interior renovation to an exist non residential bldg, interior demo. all exist. perimeter walls to remain.

Issued
Feb 6, 2020232 Precita Av

Remodel of (e) kitchen and 1(e) bath, 2(n) baths, and 1 (n) bedrm. excavate approx 138.8cu yards of soil at (e) basement for approx 932 sf of (n) living space.

Complete
Oct 2, 20192534 Folsom St

(e) single fmaily residence, 2-story over garage, wood framed structure is to be expanded. interior

Complete
Feb 19, 2019704 Castro St

(e) 2 story over garage, wood framed strucgture is to be expanded. full interior remodel of upper and lower unit, including remodel of baths (1.5 bath for lower unit & 2.5 bath for upper unit) and kitchens. vertical & horizontal additions at front & rear of bldg.

Filed
Jan 11, 2019270 Castro St

(e) two-family residence, 3-story over garage wood framed structure is to be expanded. full interior remodel of upper unit, including bathrooms & kitchen. vertical & horizontal addition to rear of bldg. project will expand upper unit from 2 bed/1.5 bath to 4 bed/3.5 bath. lower unit to remain same.

Cancelled
Jan 11, 20193325 Folsom St

Revision to 201802020294 w/reference to 201805078415. remove (e) glass solarium and replace w/framed flat ceiling and wall w/window. 2new fixglass skylight at stairwell

Issued
May 18, 2018270 Castro St

Interior reno of lower unit, including remodeling kitchen (1) and bath (1) and adding (n) half bath. replace window at rear south elevation with (n) sliding glass pocket door.

Expired
May 7, 20183325 Folsom St

(n) 136 sf roof deck @ (e) flat roof @3rd fl.

Issued
Feb 2, 20183325 Folsom St

Add ext. bridge at front; interior & kitchen & 3 baths remodel. repl.glass door at 2/f with sliding glass pocket door.replace window west elevation w/new anodized alum window.replace (e)aslphalt roof at stairwell by new standing seam metal roof.reference sloped roof/walls as reqd.

Issued
Aug 18, 20173325 Folsom St

Replace (e) 3'-0" tall solid wood fence at front yard w/(n) 75% open 6'-0" tall, slatted wood fence.

Cancelled
Mar 22, 20172495 Harrison St

Revision to ap 2016-1221-5538 (see also pa 2015-0826-5368) change of occupancy from b/r3 to r3. per inspector's request. this will correct errors and omissions that were no reflected on pa 2015-0826-5638, 2016-1221-5538. no work on this permit. ref 3r report # 201403078323

Complete
Jan 20, 201766 06th St

Interior improvement. new accessible bathroom. new stair to basement (interior). replace (e) storefront and entry door in kind. replace (e) metal sissor gate in-kind. maher na

Issued
Dec 21, 20162495 Harrison St

Revision to 201508265368l: new stair to storage bsmtt, replace (e) wd siding in kind at facade, add new plywd sheathins & waterprf, remove (e) door transom window at so, elev. new cripple wall at stroage bsmt perimeter. relocate (e) w/d at bsmt, repair (e) int wd soffit as reqd, insulate ceiling...

Complete
Nov 18, 20151370 Palou Av

1)kitchen remodel with new cabinets, appliances, finishes, lighting. 2)bathroom remodel with new shower, finishes, fixtures. 3)replace foundation and framing at rear sunroom to repair dry-rot damage, replace windows. 4)replace extg water heater with new high efficency water heater.

Complete
Aug 26, 20152495 Harrison St

Interior remodel of kitchen & bathroom, new interior partition & bathroom, replace (e) windows in-kind, add new sliding gl doors @ east elev, new access hatch to storage basement, dryrot repair, replace ext sliding, new conc. foundation @ east perimeter, remove garden storage shed @ east perimeter.

Complete

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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