CheckMyDesigner

Lorin Frederick Hill

Architect · Lorin Hill, Architect · Oakland

Public records

From the licensing board and the city of San Francisco.

The short answer

Licensed?
License activeArchitect C-23266First issued Apr 16, 1992, expires May 31, 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?
27 permits since 2004, 27 in the last 5 years. Latest filed Sep 30, 2025.
What kind of projects?
Home remodel 10 · Addition 10 · Legalize or fix a violation 2
How long do their permits take?
Addition: 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.

Home remodel: 10 permits in San Francisco

From 2005 to 2020, latest filed Feb 27, 2020.
Permits
31 permits that name Lorin Frederick Hill, newest first, including 4 revisions or supplements that are not counted. Select a permit to see the full record.
FiledProjectOpen
Mar 6, 202616 Sloat Bl

Revision to issued permit # 202505075965. minor changes to windows at sides and skylights. structural updates per plans.

Complete
Sep 30, 20252151 Filbert St

Removal of unauthorized dwelling unit to comply with nov 202427911 - remove cooking appliance and electric wall heater to revert space to unconditioned for common use by tenants

Complete
Jul 8, 202543 Whitney St

Infill 533 sf ground floor, below existing deck to include new primary suite with bedroom, bathroom, 2 closets, and direct garden access. relocate existing deck stair with new fire rated wall at property line. waterproof existing main floor terrace & relocate associated stair. create new service

Issued
May 7, 202516 Sloat Bl

Expand living space into part of garage add new code compliant interior stair to conncet floors reconfigure bedrooms and kitchen as needed and bathrooms at both levels remove fireplace and cantilevered masonry chimney

Complete
Feb 27, 20201460 Willard St #0

Dining room renovations with new wall openings, new gas fireplace, new property line fire rated windows.

Complete
Feb 27, 2020319 Bosworth St

Renovation to (e) single family two-story dwelling. a new guest bedroom/bathroom at 1st flr. a new interior stair. renovations to (e) dwelling include a kitchen renovation, new roofing and new skylights.

Issued
Oct 15, 20192766 39th Av

Horizontal rear yard addition on 2 levels, (n) slab foundation w/ partial excavation & retaining walls. demolition of (e) bathroom and kitchen. (n) kitchen, (2) bathrooms and (1) half-bath.

Cancelled
Sep 18, 2018814 Noe St

Renovations to an (e) sfh converting sub-standard areas(ground flr garage) to (n) habitable space. a (n) foundation & slab w/ partial excavation & retaining for an 8'-0" ceiling height @ ground level. (n) media room w/ full bathroom @ground level. (n) interior stair to upper level entry.

Issued
Jun 8, 20182151 Filbert St

All work is in unit #2153 filbert street: remodel kitchen & remove (e) wall, remodel (e) bathroom, and add (n) bathroom. new footings at ground level. replace exterior french doors in kind. n/a maher

Complete
Apr 25, 20172523 Harrison St

Renovate (e) single family dwelling convert substandard areas to legitimate habitable space. new foundation & slab with partial excavation & retaining for 8'-0" ceiling height @ ground level. new stair to upper floor with roof dormer additions. kitchen & bathroom renovation.

Expired
Mar 14, 20172153 Sacramento St #0

Six(6) units #2,3,4,5,7,& 11 - reovations w/ new kitchens (enlarge) & bathrms. units 2 & 5 have 1 bathrm. units 3,4,7,11 get a 2nd (new) bathrm from converted closets. replace kitchen lightwell windows (not visible from street).merge hallway w/ bedrms , g/ 1 hr corridor n/a maher ordinance

Complete
Nov 6, 20152591 26th Av

Coverting rear portion of 1st flr into conditioned space, 2 bedrooms, bath, laundry & 1 hr rated corridor to public way. enclose private lightwell at second flr and add two skylights. all changes are within the building footprint. + rear deck @ grade

Issued
Nov 20, 2014723 Clayton St #0

Bathroom renovation with small expansion into adjacent closet, replace one window at lightwell. not visible from street

Complete
Aug 21, 20142423 Green St

Horizontal rear yard addition on one level: new one bedroom. remodel one bathroom. maher ord not applicable.

Issued
Feb 11, 201458 Cumberland St

Comply w/nov #201309531 - in-kind replacement of rear exterior stair - common area. required 2nd means of egress.

Complete
Nov 26, 20131630 Clay St

#5: remove one property line window, infill with rated wall assembly. add one skylight.

Complete
Aug 9, 201318 Whitney St

Horiz. rear yard addition on 3 levels, with renovations to (e) bldg add 2 bathrms, remodel 1 bathrm, relocate 1/2 bath. rear yard deck and stairs, add 2 bedrms, new kitchen

Complete
Jan 3, 20132325 Filbert St

Replace (e) exterior service stair in kind.

Complete
Jun 25, 201285 Manchester St

Construct rear yard decks (2 levels) and stairs. modify 1 window replace w/ door and window. add one window. variance app#20120749.

Complete
Nov 14, 20111370 Clayton St

Interior renovations, kitchen & bathroom at 1st floor floor, new stair connecting 1st & 2nd floor, kitchen renovation oat 2nd floor, kitchen renovation at 2nd floor, metge two bathrooms to make master bath & add bath on 3rd floor. no structural work.

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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