Updated: May 12, 2026
Location and Projects
Address
1445 W ROSE ST, Walla Walla, WA, 99362
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Grassi Refrigeration Serv HVAC/Mechanical Contractor
Grassi Refrigeration Serv Inc, 1445 W Rose St, Walla Walla, WA (Owned by: Ewoniuk, Alex) holds a Electrical Contractor, Electrical Contractor license and 9 other licenses according to the Washington license board.
Their BuildZoom score of 96 ranks in the top 20% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Grassi Refrigeration Serv Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Grassi Refrigeration Serv Inc Contact Information
Phone Number: (509) 529-9700
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Address: 1445 W ROSE ST, Walla Walla, WA 99362
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Building Permits by Grassi Refrigeration Serv Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Gas piping to (3) tiki torches to pool area 15 000 btus each
Valuation:
N/A
Permit #:
B25-145
Status:
expired
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
Replace gas furnace and air conditioner
Valuation:
N/A
Permit #:
B25-215
Status:
final
Fee:
$206
Permit Type:
Residential
Building Type:
N/A
Install mini split in shop
Valuation:
N/A
Permit #:
B25-263
Status:
final
Fee:
$206
Permit Type:
Residential
Building Type:
N/A
Gas piping to generator
Valuation:
N/A
Permit #:
B25-002
Status:
expired
Fee:
$206
Permit Type:
Residential
Building Type:
N/A
Replace (3) 30t heat pumps (1) 25t air handler (1) minispl
Valuation:
N/A
Permit #:
B23-0289
Status:
expired
Fee:
$206
Permit Type:
Commercial
Building Type:
N/A
Install carrier gas furnace & air conditioner
Valuation:
N/A
Permit #:
B22-0479
Status:
final
Fee:
$103
Permit Type:
Co residential
Building Type:
N/A
Replace electric furnace and heat pump
Valuation:
N/A
Permit #:
B23-0214
Status:
final
Fee:
$103
Permit Type:
Residential
Building Type:
N/A
Replace furnace heat pump/a/c/boil
Valuation:
N/A
Permit #:
B23-0186
Status:
final
Fee:
$206
Permit Type:
Commercial
Building Type:
N/A
Replace air conditioning & gas furnace in garage apartment
Valuation:
N/A
Permit #:
B22-0390
Status:
expired
Fee:
$103
Permit Type:
Co residential
Building Type:
N/A
Replace carrier gas furnace and heat pump
Valuation:
N/A
Permit #:
B25-500
Status:
final
Fee:
$206
Permit Type:
Residential
Building Type:
N/A
Gas piping & ducting to relocate existing furnace
Valuation:
N/A
Permit #:
B22-0258
Status:
expired
Fee:
$103
Permit Type:
Co residential
Building Type:
N/A
Replace gas furnace & 3 ton air conditioning
Valuation:
N/A
Permit #:
B22-0257
Status:
expired
Fee:
$103
Permit Type:
Co residential
Building Type:
N/A
Replacing furnace air conditioning adding gas piping
Valuation:
N/A
Permit #:
B24-392
Status:
final
Fee:
$206
Permit Type:
Residential
Building Type:
N/A
Breplace 2.5 ton propane packaged unit
Valuation:
N/A
Permit #:
B22-0026
Status:
final
Fee:
$103
Permit Type:
Co residential
Building Type:
N/A
Replace gas furnace & air conditioning
Valuation:
N/A
Permit #:
B21-0534
Status:
final
Fee:
$103
Permit Type:
Co residential
Building Type:
N/A
Install mini split in residence
Valuation:
N/A
Permit #:
B25-502
Status:
issued
Fee:
$206
Permit Type:
Residential
Building Type:
N/A
Gas piping from meter to new generator location
Valuation:
N/A
Permit #:
B24-430
Status:
final
Fee:
$206
Permit Type:
Residential
Building Type:
N/A
Replace cooling system in bee room
Valuation:
N/A
Permit #:
B22-0113
Status:
final
Fee:
$206
Permit Type:
Co commercial
Building Type:
N/A
Replace boiler 400 000 btu input
Valuation:
N/A
Permit #:
B22-0056
Status:
final
Fee:
N/A
Permit Type:
Co commercial
Building Type:
N/A
Replace carrier 80 00 gas furnace & 3.5 ton air conditioning
Valuation:
N/A
Permit #:
B21-0396
Status:
expired
Fee:
$103
Permit Type:
Co residential
Building Type:
N/A
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Grassi Refrigeration Serv Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Grassi Refrigeration Serv Inc License info
Verified License
| License # | GRASSSL756QD |
| Status | Active |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor |
| Date Issued | 11-26-2025 |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Grassi Refrigeration Serv Inc 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 # | GRASS**754MC |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Date Issued | 08-14-2025 |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Grassi Refrigeration Serv Inc 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 # | GRASSRS827PU |
| Status | Active |
| City | Tukwila |
| Type | Electrical Contractor, Hvac/Rfrg |
| Class | Corporation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Grassi Refrigeration Serv Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | GRASS**754MC |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Date Issued | 08-14-2025 |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Grassi Refrigeration Serv Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | GRASSI*216QR |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Grassi Refrigeration Serv Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | GRASSRS827PU |
| 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 Grassi Refrigeration Serv Inc 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 # | GRASSI 216QR |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, General |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of September, 2017. Check the current license status of Grassi Refrigeration Serv Inc with the Washington State Department of Labor & Industries
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | GRASSRS925N5 |
| Status | Inactive |
| City | Tukwila |
| Type | Electrical Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- According to the The City of Tukwila, WA, 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 Grassi Refrigeration Serv Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | GRASSRS002JO |
| Status | Inactive |
| State | Washington |
| Type | Electrical Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, 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 Grassi Refrigeration Serv Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | GRASSRS925N5 |
| Status | Inactive |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, 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 Grassi Refrigeration Serv Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Insured
| Insurer | Cincinnati Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Fidelity & Deposit Co Of Md |
| Bond Value | $4,000 |
338
Permits
- Building permit records show that Grassi Refrigeration Serv Inc has worked on 338 permitted projects.
Grassi Refrigeration Serv Inc Employees
AE
Alex Ewoniuk
Vice President
AE
Amanda Ewoniuk
Vice President
AE
Arnold Ewoniuk
President
BC
Bell, Christian
Owner
CB
Christian Bell
Partner/Member
EA
Ewoniuk, Alex
Owner
EC
Ewoniuk, Alex Carson
President
EK
Ewoniuk, Amanda Frances Kay
Vice President
EJ
Ewoniuk, Arnold J
Owner
EJ
Ewoniuk, Arnold John
Agent
KE
Karen Ewoniuk
Secretary