Updated: Jun 02, 2026
Location and Projects
Address
3126 COOLIDGE AVE, Oakland, CA, 94602
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Alex Wong Construction HVAC/Mechanical Contractor
Alex Wong Construction, 3126 Coolidge Ave, Oakland, CA (Owned by: Kwang Chi Wong) holds a General Building license and 1 other license according to the California license board.
Their BuildZoom score of 109 ranks in the top 5% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Alex Wong Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Alex Wong Construction Contact Information
Phone Number: (415) 664-6332
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Address: 3126 COOLIDGE AVE, Oakland, CA 94602
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Alex Wong Construction Oakland
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Alex Wong Construction has a BuildZoom score of 109, which places them above 95% of 336,931 contractors in California.
Activity
|
7 projects
|
2025 |
|
24 projects
|
2024 |
|
11 projects
|
2023 |
Our building permit records indicate that Alex Wong Construction has worked on at least
42.0 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
|
25 projects
|
Commercial Renovations |
|
12 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Alex Wong Construction mostly works on
commercial renovation
and hvac project
projects.
Pricing
|
19 projects
|
< $5k |
|
13 projects
|
$5k-$20k |
|
9 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $7,260. 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 Alex Wong Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Relocated 1 wall mount strobe relocate 1 wall mount horn-strobe install 1 wall mount strobe install 13 ceiling mount strobes install 8 wall mount strobes install 4 smoke detectors install 8 duct detectors install 16 control relays ref pa #202407257271 & mechanical pa#202408259343
Valuation:
$48,960
Permit #:
202502281333
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
4th and 5th fl:relocate (2) plenum smoke detectors.install (2) plenum smoke detectors install (9) duct detectors install (2) control relay modules mechanical ref:2025-0303-1385
Valuation:
$30,667
Permit #:
202503071848
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
31st flr-install 94 ceiling sp-strobes. install(5)wall sp-strobes. install(5)smoke detectors. install(6)duct detectors. install(6)control ralays. install(1)dual monitor module. install(2)call stations rath 2400-805spm w mushroom button(flush mount). ref202405091766 #202406053811, #202204051584
Valuation:
$115,752
Permit #:
202407247191
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
10th fl- install (1) call station install (1) control relay module ref tenant improvement # 2025-0124-9050 and 2 way backbone ref#2019-0718-6194
Valuation:
$6,600
Permit #:
202503071850
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Remove/replace the following: (1) fire alarm control panel (5) wall mount low freq sounders (4) wall mount low freq sounder strobes (8) pull stations (7) smoke detectors (4) dual monitor modules (3) control relays & (1) outdoor bell. install the following: (1) booster panel (1) monitor module
Valuation:
$23,760
Permit #:
202301200439
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Install the following: (1) rath command center (2500-56xrc) includes (1) surface mount base station + (1) group of distribution modules; install (1) rath desk mount substation (2500-56xd) (1) command center system supervisors (1) command center power commander (1) command center battery backup
Valuation:
$7,260
Permit #:
202301200441
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Install (1) facp. install (1) annunicator. install (12) smoke detectors. install (1) duct detector. install (20) pull stations. install (12) dual monitor modules. install (1) monitor module install (4) control relays
Valuation:
$23,310
Permit #:
202312273182
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Install (3) two way communication main control units. install (1) touch screen master console. install (1) desk master console. install (40) communication call boxes. life safety under separate permit
Valuation:
$29,970
Permit #:
202409049999
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
12/f - fire only: install (11) new ceiling mount speaker- strobes: install (1) smoke detector: arch ref# 2024-0329-8905 and mechanical ref# 2024-0430-1042. 31 may 24 - speaker strobe count modified to 10 devices
Valuation:
$10,328
Permit #:
202405303350
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Slope stability project. relates to grading permit ldev-035549-2025
Valuation:
$100,000
Permit #:
BLDR-035561-2025
Status:
plancheck
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ste 250: f/a: install 39 ceiling mount strobes 15 ceiling mount speaker strobes 4 duct detectors 4 smoke detector heads(duct detector) 1 control relay ref pa# 202407156504
Valuation:
$49,712
Permit #:
202410243669
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
67 - clinics-medi...
Ste #550: install (18) wall mount speaker-strobes. install (1) smoke detector. install (2) duct detector. install (3) control relays. arch ti# 202304175872 - mechanical tenant improvement #202308184764
Valuation:
$15,984
Permit #:
202309227177
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Install (4) call stations. two way infrastructure permit #202102044085. 24/f: arch ti# 202403288831. 25/f: arch ti# 202403208246. fls permit# 202409060206
Valuation:
$24,016
Permit #:
202409110507
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Install (1) booster panel (1) signal module (1) monitor module (2) ceiling mount speaker-strobes (4) smoke detectors (1) heat detectors (6) relay modules
Valuation:
$17,106
Permit #:
202405152213
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Install (2) control relay install (2) rath call station install (2) call station signage two-way baclconey 2020-0811-1563 27th fl. arch permit 2023-0531-8934 26th fl. arch permit 2023-0530-8849
Valuation:
$3,996
Permit #:
202312041840
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
35/fl install (1) new call station rath 2400-808nspm w. mushroom button two way ecs permanent backbone infrastructure permit 202009013108 arch reference tenant improvement. 202111293199
Valuation:
$660
Permit #:
202207229077
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
14/f: install 2 ceiling mount speaker strobes. ref arch pa 202305177962
Valuation:
$1,921
Permit #:
202401123890
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
16th floor: install 20 ceiling mount speaker-strobes. install 1 control relay install 1 smoke detector. install 1 call station. ref: pa#202203250859 and pa#202208029704
Valuation:
$15,840
Permit #:
202208120447
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Floor 23- tenant improvement ref 202404180221 and 202405152149- install (1) led ceiling mount speaker/strobe. relocat (4) speaker/strobes
Valuation:
$961
Permit #:
202407126396
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
3rd and 4th floors: install 16 ceiling speaker strobes arch ref tenant improvement 202401184171 & arch rev ref tenant improvement
Valuation:
$15,377
Permit #:
202403298952
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
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Verified License
BuildZoom confirmed this contractor's license
Alex Wong Construction License info
Verified License
| License # | 741993 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Alex Wong Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 710003 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | 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 Alex Wong Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
53
Permits
- Building permit records show that Alex Wong Construction has worked on 53 permitted projects.
Alex Wong Construction Employees
AW
Alex Ming Ho Wong
Sole Owner
KW
Kwang Chi Wong
Sole Owner
KW
Kwang Chi Wong
Owner