Updated: Apr 22, 2026
Location and Projects
Address
4100 ALHAMBRA AVENUE 2680, Martinez, CA, 94553
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Bel Air Mechanical Inc
Bel Air Mechanical Inc, 4100 Alhambra Ave, Martinez, CA (Employees: Bruce Sterling Campbell and Kristopher John Bell) holds a Warm Air Heating, Ventilating And Air Conditioning, Electrical, General Building, Boiler, Hot Water Heating And Steam Fitting, Refrigeration, Plumbing, Sheet Metal license and 1 other license according to the California license board.
Their BuildZoom score of 100 ranks in the top 13% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Bel Air Mechanical Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Bel Air Mechanical Inc Contact Information
Phone Number: (760) 987-1075
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Address: 4100 ALHAMBRA AVENUE 2680, Martinez, CA 94553
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Bel Air Mechanical Inc Martinez
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Bel Air Mechanical Inc has a BuildZoom score of 100, which places them above 87% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
Our building permit records indicate that Bel Air Mechanical Inc has worked on at least
2.0 projects over the past year.
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.
Pricing
|
1 project
|
$20k-$50k |
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 Bel Air Mechanical Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace like for like hvac roof-top units for (6) buildngs
Valuation:
N/A
Permit #:
B25-01159
Status:
final
Fee:
$24,414
Permit Type:
Commercial
Building Type:
N/A
Replace old atmospheric boiler for heating and domestic water heater and replace with combination high efficiency combination boiler. this is in an existing interior closet that is sheet rocked and fire-taped. **3/16/21 notified appl via email that cf1r is due at time of inspection-bushra toma**
Valuation:
N/A
Permit #:
BIMU21-002929
Status:
final
Fee:
$448
Permit Type:
N/A
Building Type:
N/A
Convert garage to living space 200 sf remodel kitchen bathrooms laundry w/pem
Valuation:
$28,000
Permit #:
B25-018413
Status:
final
Fee:
$1,667
Permit Type:
N/A
Building Type:
N/A
(m) - mechanical - 3+ residential units or commercial (building)
2019-07-01
Mechanical tenant improvement to establish a new full service restaurant to include alcohol beverage sales beer and wine. basement will change from unconditioned general storage to office use. ground floor changing from retail to restaurant second floor to remain as office space. - 3 roof top units
Valuation:
N/A
Permit #:
M1801986
Status:
final
Fee:
$5,324
Permit Type:
N/A
Building Type:
N/A
(n) vav split system heat pump
Valuation:
$25,000
Permit #:
M200032
Status:
final
Fee:
$666
Permit Type:
N/A
Building Type:
N/A
Gas meter set for suite a per pg&e's direction
(bel air mechanical, inc. is the tenant. there's an existing gas line.)
Valuation:
$250
Permit #:
B180065
Status:
final
Fee:
$156
Permit Type:
N/A
Building Type:
N/A
Upgrade electrical on roof-top air conditioning units (bldg 300)
Valuation:
$12,783
Permit #:
M171687
Status:
final
Fee:
$310
Permit Type:
N/A
Building Type:
N/A
Upgrade electrical on rooftop air conditioning units. building 400
Valuation:
$12,783
Permit #:
M171686
Status:
final
Fee:
$310
Permit Type:
N/A
Building Type:
N/A
Upgrade electrical on rooftop air conditioning units. building 600
Valuation:
$12,783
Permit #:
M171685
Status:
final
Fee:
$308
Permit Type:
N/A
Building Type:
N/A
Interior tenant improvement to create waiting room & breakroom. addition bathroom - plumbing permit. sbb ** address requested for this building is 2700 tenth st (submitted under 1013 pardee st) $$alj
Valuation:
$39,000
Permit #:
B2012-02649
Status:
Closed Complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2m ; installing roof-top kitchen hvac equipment
Valuation:
$0
Permit #:
PMW20151020270
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2m ; installation of pvc pipe for boiler flue
Valuation:
$0
Permit #:
PMW20150923465
Status:
COMPLETE
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Rgb spectrum - deferred mechanical: relocate & addition air diffusers and ductwork as neededto existing air conditioning systems
Valuation:
$15,000
Permit #:
CB12-0769-MDS1
Status:
final
Fee:
$382
Permit Type:
N/A
Building Type:
N/A
Work category: 5m; installing new 2 chilled water piping from 5th floor to garage level electrical room
Valuation:
N/A
Permit #:
PMW20181023493
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Bank of america - replace two roof top package units
Valuation:
N/A
Permit #:
1612-0109
Status:
final
Fee:
$70
Permit Type:
HVAC split system
Building Type:
N/A
Renewal for pmw20151020270 for final inspection
Valuation:
N/A
Permit #:
PM20170510240
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(m) - mechanical - 3+ residential units or commercial (building)
2015-07-10
Mechanical in-kind repairs to existing building features
Valuation:
N/A
Permit #:
M1400497
Status:
final
Fee:
$270
Permit Type:
N/A
Building Type:
N/A
Replace 7 roof-top package air conditioning units 14 seer
Valuation:
$39,403
Permit #:
B201253
Status:
final
Fee:
$943
Permit Type:
N/A
Building Type:
N/A
Request for records
Valuation:
$0
Permit #:
BRI151275
Status:
PAID
Fee:
$17
Permit Type:
N/A
Building Type:
N/A
Work category: 2m ; installation of pvc pipe for boiler flue
Valuation:
N/A
Permit #:
PMW20150923465
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Bel Air Mechanical Inc License info
Verified License
| License # | 844161 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Electrical, General Building, Boiler, Hot Water Heating And Steam Fitting, Refrigeration, Plumbing, Sheet Metal |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Bel Air Mechanical 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 # | 1002773 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| 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 Bel Air Mechanical Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Insurance Company Of The West |
33
Permits
- Building permit records show that Bel Air Mechanical Inc has worked on 33 permitted projects.
Bel Air Mechanical Inc Employees
BC
Bruce Sterling Campbell
Rmo/Ceo/Pres
KB
Kristopher John Bell
Sole Owner