Twen Ma

Architect · Team Metric · Duarte

Public records

From the licensing board and the city of San Francisco.

The short answer

Licensed?: License activeArchitect C-16815First issued Feb 24, 1986, expires Aug 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?: 2 permits since 2023, 2 in the last 5 years. Latest filed Jul 25, 2024.
What kind of projects?: Addition 1 · ADU 1
How long do their permits take?: Addition: 5 months. City typical for the same review: 6 months.

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.

Addition: 1 permit in San Francisco

In 2024, latest filed Jul 25, 2024.

Time to get a permit

Theirs

5 months

City

6 months

Median from filing to permit, from 1 issued permit filed since 1966. City is the San Francisco median for the same kind of review, from 422 permits.

Where

Outer Richmond1

Most recent

722 17th AvRemodel area on the 1st fl. add 2 bedrooms, 1 family room, redo flooring. change 2nd floor floor plan. upgrade electrical meters fr0m 100 a to 200. redesign the floor plan w/ new roof plan, plumbing, lightings, hvac and water heater.
Jul 25, 2024Complete

Permits

4 permits that name Twen Ma, newest first, including 2 revisions or supplements that are not counted. Select a permit to see the full record.

Filed	Project	Type	Status	Time to permit
Apr 14, 2025	2380 Franklin St #0 Revision to pa #2023-1017-8770 redesign the layout for 4th fl. expand the (e) deck in 2nd fl from 5'1" to 5'1" x 10-4". eliminate fire place on 2nd fl. update foundation plan, 1st fl framing plan & 2nd fl framing plan. new skylights Issued	Revision or supplement	Issued	Within 1 month
Apr 4, 2025	722 17th Av Change engineer on record, minor change to foundation plan revision to pa#2023-1211-2259 to upgrade fodundation detail to adress the nov#202535074. Complete	Revision or supplement	Complete	Within 1 month
Jul 25, 2024	722 17th Av Remodel area on the 1st fl. add 2 bedrooms, 1 family room, redo flooring. change 2nd floor floor plan. upgrade electrical meters fr0m 100 a to 200. redesign the floor plan w/ new roof plan, plumbing, lightings, hvac and water heater. Complete	AdditionType unconfirmed	Complete	5 months
Oct 17, 2023	2380 Franklin St #0 Legalize 2nd unit at ground floor to jadu. add 2nd parking in (e) basement & reinforce foundation. add bedroom to 4th floor. add an elevator,doors & windows in the basement & 1st fl on th west elevation. new color for exterior,provide plu & elec. Issued	ADU	Issued	15 months

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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