Updated: Mar 29, 2026
Location and Projects
Address
747 ENTERPRISE COURT, Livermore, CA, 94550
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Key Mechanical Co of Washington
Key Mechanical Co of Washington, 747 Enterprise Ct, Livermore, CA (Employees: Frank William Leonard and Mary Holland Leonard) holds a Refrigeration, Warm Air Heating, Ventilating And Air Conditioning license according to the California license board.
Their BuildZoom score of 102 ranks in the top 11% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Key Mechanical Co of Washington, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Key Mechanical Co of Washington Services
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Key Mechanical Co of Washington Contact Information
Phone Number: (925) 294-8111
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Address: 747 ENTERPRISE COURT, Livermore, CA 94550
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Key Mechanical Co of Washington Livermore
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Key Mechanical Co of Washington has a BuildZoom score of 102, which places them above 89% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
2 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Key Mechanical Co of Washington has worked on at least
6.0 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.
Pricing
|
2 projects
|
$5k-$20k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $50,000. 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 Key Mechanical Co of Washington
This is a sample of this contractor's permits. Click here to access their complete permit history.
- remove two and replace four at (n) locations roof top refrigeration condensers - modify steel condenser platform
Valuation:
$240,000
Permit #:
2024 112939 CI
Status:
issued
Fee:
$3,180
Permit Type:
Retail
Building Type:
N/A
Install (1) new walk in cooler box. tie new evaporator coil into existing refrigeration system and run condensate line to gc or plumber provided floor sink
Valuation:
$18,000
Permit #:
BL-NCOM-2025-00034
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Epc submittal - remodel install new shop-in produce cooler enlarge shop-in dairy cooler relocate deli preparation enlarge rotisserie preparation and enlarge rotisserie oven area to accomodate 6 rotisserie ovens. approximate area of 5, 300 sqft. (revision com-1805340 crf 3-23-2018)
Valuation:
$500,000
Permit #:
COM-1720043
Status:
final
Fee:
$9,666
Permit Type:
N/A
Building Type:
N/A
Install new & relocate (e) refrigerated cases
Valuation:
$15,000
Permit #:
B24-0693
Status:
issued
Fee:
$1,598
Permit Type:
C-alteration
Building Type:
N/A
Small refrigeration case changeout. refrigeration scope for permit #: 24016-10000-06760
Valuation:
N/A
Permit #:
24044-90000-13475
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Like for like replacement of refrigerated cases deli island
Valuation:
N/A
Permit #:
22041-90000-64838
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installation of new refrigeration equipment and piping
Valuation:
$135,000
Permit #:
APPR2020-03242
Status:
suspended
Fee:
$259
Permit Type:
N/A
Building Type:
N/A
Replace like for like refrigerated deli cases island
Valuation:
N/A
Permit #:
22041-90000-64837
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
I n s t a l l a t i o n o f r e f r i g e r a t e d c a s e s & c o n d e n s i n g u n i t s
Valuation:
$40,000
Permit #:
B21-0245
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(b) - building alteration - 3+ residential units or commercial (building)
2018-03-26
Install (3) roof top units for new low temp refrigeration related to tenant improvement for blood bank
Valuation:
$80,000
Permit #:
B1800919
Status:
final
Fee:
$2,048
Permit Type:
N/A
Building Type:
N/A
Indian metro: revised layout of reach-in-cooler/freezer anc
Valuation:
N/A
Permit #:
B-RV21-0320
Status:
final
Fee:
$528
Permit Type:
Revision
Building Type:
N/A
Indian metro: deferred submittal for(9) line-ups of refriger
Valuation:
N/A
Permit #:
B-DF21-0036
Status:
final
Fee:
$3,463
Permit Type:
Deferred submittal
Building Type:
N/A
(m) - mechanical - 3+ residential units or commercial (building)
2018-04-11
Mechanical related to installing (3) roof top units for new low temp refrigeration related to tenant improvement for blood bank
Valuation:
N/A
Permit #:
M1800554
Status:
final
Fee:
$338
Permit Type:
N/A
Building Type:
N/A
Refrigeration installation
Valuation:
N/A
Permit #:
20044-90000-09349
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Refrigeration installation
Valuation:
N/A
Permit #:
20044-90000-08827
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Low voltage hvac/refrigeration controls
Valuation:
N/A
Permit #:
E201902269406
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Expand food court cooler
Valuation:
$60,000
Permit #:
201801374
Status:
issued
Fee:
$3,109
Permit Type:
Tenant improvement
Building Type:
N/A
Installation of condensate drain lines in market/retail
Valuation:
N/A
Permit #:
PP20180910676
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Condensate drains from refrigerated cases
Valuation:
N/A
Permit #:
PP20181214480
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of walk-in produce cooler alteration of the walk-in diary cooler mechanical unit (air door) replacement installation of rooftop condensers all associated electrical mechanical and plumbing work per approved plans
Valuation:
$390,000
Permit #:
2018 141701 CI
Status:
final
Fee:
N/A
Permit Type:
Retail
Building Type:
N/A
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Key Mechanical Co of Washington Reviews
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Verified License
BuildZoom confirmed this contractor's license
Key Mechanical Co of Washington License info
Verified License
| License # | 813609 |
| Status | Active |
| State | California |
| Type | Refrigeration, Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Key Mechanical Co of Washington at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | Twin City Fire Insurance Company |
44
Permits
- Building permit records show that Key Mechanical Co of Washington has worked on 44 permitted projects.
Key Mechanical Co of Washington Employees
FL
Frank William Leonard
Rmo / Ceo / Pres
ML
Mary Holland Leonard
Officer