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Location and Projects

Address
135 S Park St, San Francisco, CA, 94107
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Mark Horton / Architecture

MH/A begins each project with the understanding that the questions which should be asked are more important than knowing the presumed final answers. The solutions will come at the end of a true design process, but only if the correct questions are developed at the start.

MH/A's integration of design aesthetics into the functional solution of the program at hand is of utmost importance. In the end, this direction becomes the primary goal of a process the firm is centered around of engaging in the construction of architecture. To aspire to something different would be to resign the process- to the idea that construction alone would suffice and that the need to engage an architect on the project would not be required.

As is evident in the portfolio of both built and proposed work, design is primary to the office. MH/A truly believes that lives can be positively-affected by design, and that the task of architecture is to have this affect upon people.

Because MH/A remains an "emerging" design firm, the projects which are proposed to the office, and are most often undertaken, tend to be projects of unusual scope and constrained budgets. Working within these restrictions becomes a normal task for the office as well as a set of tools used to generate design. MH/A's ability to navigate the intangible world of design simultaneous with the real-world condition of budget has become a trait many past clients would attest to. As is often repeated in the process of projects of this type, the assumption on the part of MH/A is that the world is not an "either-or" universe, but rather a "both-and", and that one of the tasks of the architect is to discover the point in space where disparate arcs of issues actually coincide.

Founded in 1987, Mark Horton / Architecture is a design firm based in San Francisco, California. With a primary focus on architectural design, projects have also been undertaken which deal with planning, interiors, and design aspects related to the architectural process.

Mark Horton / Architecture is a licensed architectural firm in the States of California and New York.

From BuildZoom: Mark Horton / Architecture, 135 S Park St, San Francisco, CA (Owned by: Horton Mark Griffith) holds a Architect license and 1 other license according to the New York license board.

Their BuildZoom score of 111 ranks in the top 4% of 336,931 California licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Mark Horton / Architecture, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.

Mark Horton / Architecture Contact Information

Phone: (415) 269-4270
Address: 135 S Park St, San Francisco, CA 94107

Mark Horton / Architecture San Francisco

Quality

111
96th percentile
How is the BuildZoom score calculated?
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Mark Horton / Architecture has a BuildZoom score of 111, which places them above 96% of 336,931 contractors in California.

Activity

4 projects
 2025
3 projects
 2024
4 projects
 2023
Our building permit records indicate that Mark Horton / Architecture has worked on at least 11.0 projects over the past 3 years.

This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.

Experience

3 projects
 Commercial Renovations
Analyzing permits over the last 4 years shows that Mark Horton / Architecture mostly works on commercial renovation projects.

Pricing

4 projects
 < $5k
1 project
 $5k-$20k
1 project
 $20k-$50k
3 projects
 $100k-$250k
1 project
 $250k-$500k
1 project
 $500k-$1mil
1 project
 $1mil+
Value Not Public: 2.0 projects
The typical size of their permits is approximately $25,000. This graph shows the distribution of these job values.
Pro tip: For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.

Building Permits by Mark Horton / Architecture

Sort by: Notable Notable | Date Date | Job Value Job Value

This is a sample of this contractor's permits. Click here to access their complete permit history.

Building
298 Alabama St, San Francisco, CA, 94103
2025-09-23
2nd floor. change in planning designation for portion of 2nd floor from (e) job training use with accessary office per planning code 204.3 no change to e(e) entertainment arts and recreation use. no constructon under this permit
Valuation:
$1
Permit #:
202504235095
Status:
reinstated
Fee:
N/A
Permit Type:
N/A
Building Type:
05 - food/beverag...
Building
290 Division St, San Francisco, CA, 94103
2022-02-17
3/f -(e) empty full floor (3rd flr) of a low rise office building is to be finished out to include conf rms new restrooms any break area. plumbing mechanical any electrical work will be pulled under seperate permit prior demolish permit 201908199142
Valuation:
$375,000
Permit #:
202109289359
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Building
2545 16th St, San Francisco, CA, 94103
2023-03-07
Rev to pa# 2021-0917-8700: a communicative stair is to be added between two (e) floors of previously permitted office space as well windows will be installed into a 1 hr rated wll between the office space and a garage area
Valuation:
$150,000
Permit #:
202204202646
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Building
25 Ford St, San Francisco, CA, 94114
2024-04-01
Revision to pa# 202207269343: is allow for the new re-framing of the (e) extension of the building at the rear of the house instead of remodeling it in place due to sub-code (e) conditions exposed during demolition. otherwise the project remains the same
Valuation:
$50,000
Permit #:
202402266594
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Building
2525 16th St, San Francisco, CA, 94103
2023-03-07
3rd floor - interior non structural tenant improvement approx 19, 800 sf work to include mechanical work and upgrades to accessible bathroom
Valuation:
$300,000
Permit #:
201809271586
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Building
25 Ford St, San Francisco, CA, 94114
2022-10-28
(e) kitchen powder room laundry & bathroom to be remodeled. exterior windows to be replaced in rear. exterior deck to be repaired. voluntary structural work to be included. deck replacement under separate permit
Valuation:
$400,000
Permit #:
202207269343
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Building
2506 Leavenworth St, San Francisco, CA, 94133
2023-11-14
An existing fence is to be altered to allow for a higher pop elevation along the two side property lins. in the rear yard of an existing home. the new height of the fence is to apprroximately aligh with the height of the existing fences on both neighoring properties
Valuation:
$10,000
Permit #:
202304125574
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Building
2525 16th St, San Francisco, CA, 94103
2023-03-07
A vacant 15, 000 plus or minus space on the 2nd floor is to be built out to a new office space. this permit is for architectural work only. mep sprinkler and fire/life safety will be applied later
Valuation:
$500,000
Permit #:
202106233069
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Building
2506 Leavenworth St, San Francisco, CA, 94133
2020-06-09
Interior improvements to (e) home struct upgrades. flooring wall treatment minor non structural wall changes addition lighting and ele.ref 201804267515 & 201804307742. extension non sturcutral demolish and window and skylight & siding under sep permit
Valuation:
$250,000
Permit #:
201807124459
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Building
290 Division St, San Francisco, CA, 94103
2021-07-02
4th fl - all (e) non-bearing/non-structural/non-fire/life safety walls removed to allow for future tenant improvement for specific needs. associate work in these walls including elect & data wiring and misc cabinetry to be removed as well. no new work to be performed and (e) base building system will not be affected
Valuation:
$18,000
Permit #:
201902213452
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Building
2545 16th St, San Francisco, CA, 94103
2022-11-17
This permit is to reduce the number if orivided exits within the tenant space from 4x to 3x. the exit to be removed is not reqd by code. remove exit sign only. ref pa# 202109178700 door to remain
Valuation:
$500
Permit #:
202210063890
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Building
2525 16th St, San Francisco, CA, 94103
2023-04-26
New window on 16th street 2x (n) entries on alabama st 4x(n) garage doors 1x lovered area for mechanical. equipment accessible lift to alow ada access to space
Valuation:
$175,000
Permit #:
202108116239
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Building
765 Market St, San Francisco, CA, 94103
2025-07-29
Revision to pa 2022-01719-8846 show miscellaneous changes to the fl plan which were made during construction
Valuation:
$1
Permit #:
202503101917
Status:
withdrawn
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Building
300 Clay St, San Francisco, CA, 94111
2019-05-31
An existing 1750 sf space in the basement of a high rise office building is to be converted from storage to a corporate workout facility. work will include general fitness as well sa mechanical electrical ams and plumbing
Valuation:
$1,200,000
Permit #:
201805078353
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Building
268 Alabama St, San Francisco, CA, 94103
2021-02-18
Interior work new occupancy retail arts activities health services
Valuation:
$500,000
Permit #:
201901029486
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Building
2505 Mariposa St, San Francisco, CA, 94110
2022-01-19
New bathrooms new break area accessible entry/exit upgrade stair-guardrail
Valuation:
$150,000
Permit #:
202105069923
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Building
346 Lake St, San Francisco, CA, 94118
2024-10-11
Repair of (e) street facade at single family home in kind 5 windows r& r. approx 700 sq ft stucco
Valuation:
$50,000
Permit #:
202405222676
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Building
290 Division St, San Francisco, CA, 94103
2023-03-21
Remodel (e) restroom to be ada accessible. no work will occur at the exterior of the building or the means of egress affected. pa 201910094059 must be complete to final
Valuation:
$25,000
Permit #:
202111031732
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Building
290 Division St, San Francisco, CA, 94103
2019-08-20
3rd floor: extg 3rd floor of a 4 story building to have all extg non-bearing/non structural/non-fire/life safety walls removed to allow for future tenant improvement. for specific needs. associate work in these walls including electrical + data wiring & misc. cabinetry to be removed as well. no new work to be performed &
Valuation:
$50,000
Permit #:
201908199142
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Building
3637 California St, San Francisco, CA, 94118
2021-08-20
An exterior walkway inside the porperty line is to be rebuilt to provide accessible entty into the buildings. no work is to be in the public right of way or to the building itself
Valuation:
$35,000
Permit #:
202105170488
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
67 - clinics-medi...

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