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Updated: Jan 29, 2026
Location and Projects
Address
2476 21ST AVE, San Francisco, CA, 94116
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Mac Tec Construction Company Engineer
Mac Tec Construction Company Inc, 2476-21 St Ave, San Francisco, CA (Employees: Jennings Louie Lew, Joves Quangsiu Mac, and Xi Huang Lu) holds a General Engineering, General Building, Electrical, Fire Protection, Warm Air Heating, Ventilating And Air Conditioning, Plumbing, Refrigeration license according to the California license board.
Their BuildZoom score of 107 ranks in the top 6% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mac Tec Construction Company Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Mac Tec Construction Company Inc Services
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Mac Tec Construction Company Inc Contact Information
Phone Number: (415) 254-7270
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Address: 2476 21ST AVE, San Francisco, CA 94116
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Mac Tec Construction Company Inc San Francisco
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mac Tec Construction Company Inc has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
5 projects
|
2025 |
|
8 projects
|
2024 |
|
8 projects
|
2023 |
Our building permit records indicate that Mac Tec Construction Company Inc has worked on at least
21.0 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.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
8 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Mac Tec Construction Company Inc mostly works on
home addition
projects.
Pricing
|
2 projects
|
< $5k |
|
1 project
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
1 project
|
$250k-$500k |
|
2 projects
|
$1mil+ |
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 Mac Tec Construction Company Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Floor 4 and 5: office tenant improvement (10 524 sf) each floor. demolish of (e) non-bearing partition walls new walls for meeting room and offices new finishes (flooring ceiling lighting). modify mechanical and electrical design based on new layout. t-24 compliance. no plumbing. no change of use
Valuation:
$420,000
Permit #:
202503313393
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
1500 16th st was gym now change of use as #201/2nd fl to business services. 1st/f #101 to be whole sale. 1st fl/#102 103 104 105 106 107 to be whole sale. demolish e) wall & partitions. construct n) walls partitions ada ramps restrooms skylights. replace exterior windows & storefronts.n)lights/panels
Valuation:
$2,335,520
Permit #:
202506269545
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Revision to permit 202312072083. during construction it was revealed (e) foundation not adequate condition. therefore a complete foundation is proposed (previously 50% replacement). ref full seismic upgrade under previous permit. no change in internal slab level
Valuation:
$83,000
Permit #:
202502210812
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Int. & extension. alts: conv. part of garage to liv. space. remodel (e) kit. and 3 bdrms 3 haths powder room into 4 bdrms 5 baths 1 powder room. all (n) interior finishes to replace (e) finishes. raise partial mansard roof to convert attic to 4th story. remove (e) window @ south facade. nfpa 13r sprkls
Valuation:
$1,296,380
Permit #:
202312072083
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Replace existing windows in kind replace existing exterior stairs in kind replace exterior stucco replace existing fire place foundation and chimney. revision to pa#202312072083
Valuation:
$50,000
Permit #:
202504285298
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Install lightings and lighting control system addition of 50 outlets in offices re -configure re-locate raised floor distribution boxes. ref bpa: 202503313393
Valuation:
N/A
Permit #:
E202504141624
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
3rd floor: addition 50 outlets in office (13840 sf) under tenant improvement. bpa#20240571594 pre-configure/relocate raised floor distribution box. install lighting per plan under permit. rund cat6 data. to 18 offices. 2500a 208/120v service 142 lights 40 switches 50 receptacles
Valuation:
N/A
Permit #:
E202405204493
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition 50 outlets in offices under tenant improvement pa# 202405071594. pre-configure/relocate raised floor power distribution box. install lighting per plan under permit. run cat6 data to 18 offices. 2500a 208/120v service. 142 lights 40 switches 50 receptacles
Valuation:
N/A
Permit #:
E202405154407
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renovation of existing single family dwelling. addition bedroom bathroom and wet bar on 1st fl. remodel (e) kitchen & bathroom and addition bathroom on 2nd fl
Valuation:
$50,000
Permit #:
202205113982
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
A.d.u. (unit d) per ordinance 162-16 on basement floor include 1) addition living dining area kitchen den bedroom and one 3-fixture full bathroom
Valuation:
$113,496
Permit #:
202107224939
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Remodel kitchen and bathroom. new cabinets countertop in same location. change new tub toilet vanity same location. no removal of walls
Valuation:
$20,000
Permit #:
202210265181
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remodel kitchen and bathroom: new cabinets and countertop in kind: bathroom change new tub and toilet vanity: new fan bpa# 202210265181
Valuation:
N/A
Permit #:
E202210263226
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To abate nov 202310811: remove 2 windows under deck. remove sun room on deck. remove storage room at rear
Valuation:
$10,000
Permit #:
202406053748
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
(rbc) - building residential combo alteration- 1 & 2 unit residential (building)
2021-09-09
Convert 494 sq. ft. of basement into family room & office with window in new opening & relocate laundry/utility area for single family dwelling. includes reconfiguring portion of main floor to addition 1/2 bathroom. with m.e.p.'s: install f.a.u. & water heater in new location
Valuation:
$80,000
Permit #:
RBC1903377
Status:
expired
Fee:
$4,681
Permit Type:
N/A
Building Type:
N/A
Update existing wire and replace light fixtures install sub-panel upstairs. one kitchen three bathrooms washer & dryer room
Valuation:
N/A
Permit #:
E202204139574
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ufer ground installation
Valuation:
N/A
Permit #:
E202505012114
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel one kitchen and 2 bathrooms. in kind no structural
Valuation:
$75,000
Permit #:
202402206187
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remodel kitchen and bathroom: new cabinets countertops n kind. bathroom change new tub toilet new sink
Valuation:
N/A
Permit #:
PP20221026795
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Bpa# 202308033679: addition new led lights total 25 and outlets
Valuation:
N/A
Permit #:
E202308108639
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Barrier removal. ada restroom in (e) teant spalce. remodel. new lights switches receptacles
Valuation:
N/A
Permit #:
E202202048217
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Mac Tec Construction Company Inc License info
Verified License
| License # | 999544 |
| Status | Active |
| State | California |
| Type | General Engineering, General Building, Electrical, Fire Protection, Warm Air Heating, Ventilating And Air Conditioning, Plumbing, Refrigeration |
| Business Type | Corporation |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Mac Tec Construction Company Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | American Casualty Company Of Reading Pa |
50
Permits
- Building permit records show that Mac Tec Construction Company Inc has worked on 50 permitted projects.
Mac Tec Construction Company Inc Employees
JL
Jennings Louie Lew
Rmo
JM
Joves Quangsiu Mac
Ceo / President
XL
Xi Huang Lu
Officer