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Samuel Nelson Karioki Mathau

Architect · Mathau Roche Design Group · Mill Valley

Public records

From the licensing board and the city of San Francisco.

The short answer

Licensed?
License activeArchitect C-21576First issued Jun 6, 1990, expires Jan 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?
29 permits since 2013, 29 in the last 5 years. Latest filed May 21, 2026.
What kind of projects?
Home remodel 8 · Legalize or fix a violation 7 · Commercial or tenant improvement 4
How long do their permits take?
Home remodel: 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
30 permits that name Samuel Nelson Karioki Mathau, newest first, including 1 revisions or supplements that are not counted. Select a permit to see the full record.
FiledProjectOpen
May 21, 20261389 19th Av

Interior renovation of existing rto-c district, a 3 story residential garage currently used for storage into a day care classroom on the ground floor and minor bathroom upgrade on 2nd floor. scope includes ab-010 local equivalency for approval of communicating openings between building on

Filed
Nov 21, 2023401 Duboce Av

Replacement of 33 existing aluminum windows w/in-kind windows due to leaking and air/infiltration. there is "no other associated work with this application. all work on 2nd floor. u=.30max

Issued
May 16, 2023290 Turk St

T.i. in basement (file storage). no structural work. no change to path of travel. total area to be renovated of 524sf.

Complete
Mar 2, 20232654 17th Av

Renovation of extg kitchen, living room, bathrooms and kitchen cabinets, floor, sheet rock, bathroom fixtures

Complete
Oct 1, 202163 A Wood St

Convert udu into adu to address 2021001666(enf) stemming from complaint#2021726. requires construction of a new 1-hr rated property line wall @ 1st flr between new unit 63a and adjacent attached property 57-59 wood st. also requires inspection of correction of (e) kitchen & bathrm.

Complete
Jul 23, 20211040 Bush St

Replacement of extg leaking roof.

Cancelled
Nov 20, 20201157 Valencia St

The work involves construction of new adu (accessory dwelling unit) on the ground floor of an existing apartment structure building with open space.

Complete
Mar 6, 20201350 Baker St

Legalization of playroom & bathroom construction w/out permit on lowerl evel of house. work is interior improvements with no changes to path of travel or existing or occupancy of the bldg.

Complete
Jan 10, 20201652 Eddy St

Soft story upgrade of 1/f per ab106, chapter 4d of sf building code 2019 and chapter 34 of california cbc 2019. (commercial)

Complete
Jan 10, 20201652 Eddy St

Soft story upgrade of 1/f per ab106, chapter 4d of sf building code 2019 and chapter 34 of california cbc 2019. (residential)

Complete
Dec 18, 20191661 15th St

Ada bathroom upgrade

Issued
Oct 24, 2019195 Woolsey St

Mandatory soft story reofit per sfebc chapter 4d -engineering criteria apendix a-4. to comly with nov #201721153.

Complete
Oct 18, 2019953 De Haro St

Removal of extg non functional solar panels and replacement of extg asphalt shingle roof at gym. no structural work. total area=2675 sq ft.

Cancelled
Aug 2, 201990 Sussex St

Legalization of first floor into a bedroom, storage and bathroom. there is no structural work to interior reno

Complete
Oct 1, 2018222 Moncada Wy

To obtain final inspection for work approved under app#200104116531 all work is complete. bathroom and kitchen remodel with no plans. per 1)200003245290. 2) 200002172163 3)20000128480

Complete
Aug 14, 20181473 Hudson Av

Comply with nov 201884671 & 201878178. build new firewall at side of patio in backyard of subject property. changes to fence height and new side gate. revision to 201807205175.

Complete
Jun 28, 2018100 Bosworth St

Bathroom renovation in kind replacement in same location on 2nd floor. no exterior work.

Complete
May 16, 2018380 17th Av

New deck @ rear yard.

Complete
May 2, 2018380 17th Av

Kitchen remodel, no structural work

Cancelled
Apr 30, 2018380 17th Av

Kitchen remodel 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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