Updated: May 04, 2026
Location and Projects
Address
8600 MAIN ST, Edmonds, WA, 98026
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Mainstream Mechanical
Mainstream Mechanical, 8600 Main St, Edmonds, WA (Employees: Caralyn Keenan, Clifford Shoemaker, and KEENAN, CARALYN) holds a Construction Contractor, Heating/Vent/Air Conditioning And Refrig (Hvac/R) license and 4 other licenses according to the Tukwila license board.
Their BuildZoom score of 97 ranks in the top 18% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mainstream Mechanical, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mainstream Mechanical Contact Information
Phone Number: (257) 784-3150
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Address: 8600 MAIN ST, Edmonds, WA 98026
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Building Permits by Mainstream Mechanical
This is a sample of this contractor's permits. Click here to access their complete permit history.
Isntall refrigeration lines for two walk in refrigerators and one walk in freezer connect to the outdoor units and evaporators leak test
Valuation:
N/A
Permit #:
6636858-RF
Status:
complete
Fee:
$264
Permit Type:
N/A
Building Type:
Commercial
Replace refrigeration rack with new custom rack and three condensing units
Valuation:
N/A
Permit #:
6630707-RF
Status:
complete
Fee:
$264
Permit Type:
N/A
Building Type:
Commercial
Type: mechanical non residential - mnr class: new structure, , chick-fil-a walk in cooler - install walk in cooler and freezer
Valuation:
N/A
Permit #:
MNR17-01665
Status:
final
Fee:
$181
Permit Type:
N/A
Building Type:
N/A
(4) compressors (4) evaporators & ref lines to (2) walk-ins & (2) reach in coolers
Valuation:
N/A
Permit #:
16 142648 BL
Status:
final
Fee:
$324
Permit Type:
N/A
Building Type:
N/A
Install icemaker and remote and run refrigeration lines
Valuation:
N/A
Permit #:
11 105122 BK
Status:
final
Fee:
$46
Permit Type:
N/A
Building Type:
N/A
Install (3) evap coils for walk in refrigeration unit
Valuation:
N/A
Permit #:
11 103699 BL
Status:
final
Fee:
$242
Permit Type:
N/A
Building Type:
N/A
Install ice maker
Valuation:
N/A
Permit #:
11 103698 BN
Status:
final
Fee:
$37
Permit Type:
N/A
Building Type:
N/A
Run low voltage t-stat wiring
Valuation:
N/A
Permit #:
6336251-EL
Status:
expired
Fee:
$73
Permit Type:
N/A
Building Type:
Commercial
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Verified License
BuildZoom confirmed this contractor's license
Mainstream Mechanical License info
License Not Verified
| License # | MAINSM*945JF |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, Heating/Vent/Air Conditioning And Refrig (Hvac/R) |
| Class | Corporation |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of April, 2026. Check the current license status of Mainstream Mechanical with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MAINSMC943K2 |
| Status | Active |
| City | Tukwila |
| Type | Electrical Contractor, Hvac/Rfrg |
| Class | Corporation |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of Mainstream Mechanical with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MAINSM*945JF |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mainstream Mechanical at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MAINSMC943K2 |
| Status | Active |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mainstream Mechanical at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MAINSM 945JF |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Heating/Vent/Air-Conditioning And Refrig Hvac/R |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of April, 2018. Check the current license status of Mainstream Mechanical with the Washington State Department of Labor & Industries
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
Insured
| Insurer | Farmers Ins Exchange |
| Insured up to | $2,000,000 |
Bonded
| Bonded Agent | Lexon Ins Co |
| Bond Value | $6,000 |
6
Permits
- Building permit records show that Mainstream Mechanical has worked on 6 permitted projects.
Mainstream Mechanical Employees
CK
Caralyn Keenan
Treasurer
CS
Clifford Shoemaker
President
KC
KEENAN, CARALYN
Treasurer
SS
SHOEMAKER, CLIFFORD S
Agent