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Updated: Apr 29, 2026
Location and Projects
Address
1278 20TH AVENUE SUITE C, San Francisco, CA, 94122
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M Squared Construction Engineer
M Squared Construction Inc, 1278-20 Th Ave, San Francisco, CA (Owned by: Steven Ray Burkhart) holds a General Engineering license and 3 other licenses according to the California license board.
Their BuildZoom score of 98 ranks in the top 16% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring M Squared Construction Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
M Squared Construction Inc Services
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M Squared Construction Inc Contact Information
Phone Number: (415) 608-8444
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Address: 1278 20TH AVENUE SUITE C, San Francisco, CA 94122
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Building Permits by M Squared Construction Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Tenant improvement to existing 4 story buiiding. no change of use or occupancy. exterior repaint & repair stucco. repair canopy with some new structure. new corridor break room and remodel restooms. new lobby glass wall to garage and store front work. ** fully sprinklered building **
Valuation:
$110,000
Permit #:
12016-10000-25219
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
\small utility trench excavation needed for pg&e gas service
Valuation:
N/A
Permit #:
EP2304-022
Status:
final
Fee:
N/A
Permit Type:
Minor temporary
Building Type:
N/A
Uptown - *flat fee* right of way permit for the installation of four (4) micro cellualr antenna and equipment on an existing city owned street light and associated trenching to private vault. per master plan no. 524857 concurrently being processed (no moratoriums as of 1-6-17)
Valuation:
N/A
Permit #:
1847971
Status:
complete
Fee:
$1,600
Permit Type:
N/A
Building Type:
N/A
Greater north park: right of way permit remove and replace city street light and attach an rru box per master plan 524857 removing and replacing sidewalk for the installation and trenching of conduit and vault boxes within the right of way in various locations
Valuation:
N/A
Permit #:
1881160
Status:
complete
Fee:
$1,600
Permit Type:
N/A
Building Type:
N/A
Uptown - *flat fee* right of way permit for the installation of two (2) micro cellular antenna and equipment on an existing city owned street light and associated trenching to private vault. per master plan no. 524857 concurrently being processed
Valuation:
N/A
Permit #:
1847900
Status:
complete
Fee:
$2,002
Permit Type:
N/A
Building Type:
N/A
Revision bpa # 201702018416. additional 36 of excavation is required per field condition
Valuation:
$5,000
Permit #:
201805038057
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Replace (2) antennas & (1) cabinet @ existing cell site #825130
Valuation:
$24,015
Permit #:
K201707932
Status:
final
Fee:
$447
Permit Type:
N/A
Building Type:
N/A
Modification to at&t wireless cell site
Valuation:
$30,000
Permit #:
B17-0155
Status:
final
Fee:
$2,877
Permit Type:
C-cellsite
Building Type:
N/A
Modification to at&t wireless cell site
Valuation:
$20,000
Permit #:
B16-0554
Status:
final
Fee:
$1,790
Permit Type:
C-cellsite
Building Type:
N/A
Modification to at&t wireless cell site
Valuation:
$15,000
Permit #:
B17-0039
Status:
final
Fee:
$1,489
Permit Type:
C-cellsite
Building Type:
N/A
No Description Available
Valuation:
$28,500
Permit #:
BLD2020-60482
Status:
final
Fee:
$1,747
Permit Type:
Residential
Building Type:
J. Electrical
Sprint/nextel: replace antennas addition remote radio units (rr
Valuation:
N/A
Permit #:
B-EL15-0345
Status:
final
Fee:
$242
Permit Type:
Cel-electrical
Building Type:
N/A
Replace concrete slab on grade floor. addition new family room 2 new bedrooms new bathroom. relocate utility and laundry room (lower 1st floor elevation ). replace int stairs to 2nd floor. (below (e) fin. floor elevation)
Valuation:
$200,000
Permit #:
201310159293
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Mission valley -- building electrical & mechancial permits to remove 12 (e) antennas & replace with 6 antennas. install 8 (n) rrus. install 3 (n) maintenance lights in (e) clock tower. install 2 (n) intake exhaust fans in clock tower. base zone: mvpd-mv-cr geo haz 53 scr 1335342 lup 1020508 transit priority areas
Valuation:
N/A
Permit #:
2259156
Status:
approved
Fee:
$1,658
Permit Type:
Acc struct- non r...
Building Type:
N/A
Sprint: replace existing 3 panel antennas install 6 remote
Valuation:
N/A
Permit #:
B-EL15-0426
Status:
final
Fee:
$440
Permit Type:
Cel-electrical
Building Type:
N/A
Swap out six antennas like for like
Valuation:
$14,000
Permit #:
B16-0027
Status:
final
Fee:
$1,581
Permit Type:
C-cellsite
Building Type:
N/A
Sprint: replace existing 3 panel antennas install 6 remote
Valuation:
$17,500
Permit #:
B-BP15-0217
Status:
final
Fee:
$2,067
Permit Type:
Caa-retail sale/serv
Building Type:
N/A
Remove & replace 3 antennas, 3 (n) antennas, 1 (n)hybrid cable remove 3 (e) tma's, ground & install 1(n) dus41 radio, install 3 (n) spd's, 1 (n) power upgrade kit & 1 (n) power subrack
Valuation:
$40,000
Permit #:
1707130026
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sprint/nextel: replace antennas addition remote radio units (rr
Valuation:
$21,000
Permit #:
B-BP15-0206
Status:
final
Fee:
$2,292
Permit Type:
Caa-retail sale/serv
Building Type:
N/A
Sprint/nextel: replace equipment and antennas addition microwav
Valuation:
$26,000
Permit #:
B-BP15-0205
Status:
final
Fee:
$2,173
Permit Type:
Caa-retail sale/serv
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
M Squared Construction Inc License info
Verified License
| License # | 881231 |
| Status | Active |
| State | California |
| Type | General Engineering |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for M Squared Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 733462 |
| Status | Inactive |
| State | California |
| Type | General Engineering |
| Business Type | Corporation, Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for M Squared Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 895418 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation, Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for M Squared Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 852721 |
| Status | Inactive |
| State | California |
| Type | General Engineering |
| Business Type | Corporation, Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for M Squared Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
Bonded
| Bonded Agent | The Guarantee Company Of North America Usa |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Liberty Mutual Fire Insurance Company |
65
Permits
- Building permit records show that M Squared Construction Inc has worked on 65 permitted projects.
M Squared Construction Inc Employees
BC
Bartholomew Noel Mc Carthy
Officer
SB
Steven Ray Burkhart
Owner
SM
Stewart William Mitchell
Rmo / Ceo / Pres