Updated: Apr 13, 2026
Location and Projects
Address
4943 RD H.5 NW, Ephrata, WA, 98823
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Kosa Irrigation & Contracting Construction
Their BuildZoom score of 0 does not rank in the top 50% of Washington contractors.
If you are thinking of hiring Kosa Irrigation & Contracting, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Kosa Irrigation & Contracting Services
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Kosa Irrigation & Contracting Contact Information
Phone Number: (509) 398-1176
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Address: 4943 RD H.5 NW, Ephrata, WA 98823
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Kosa Irrigation & Contracting Ephrata
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Kosa Irrigation & Contracting, click “This is My Business” to update your information.
Activity
|
1 project
|
2024 |
Our building permit records indicate that Kosa Irrigation & Contracting has worked on at least
1.0 project over the past 2 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
|
1 project
|
$100k-$250k |
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 Kosa Irrigation & Contracting
This is a sample of this contractor's permits. Click here to access their complete permit history.
Shop 38x60 w 12x38 lean-to 4x38 patio cover non-
Valuation:
$171,784
Permit #:
BF 24-0371
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Kosa Irrigation & Contracting Reviews
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Recent Buildzoom Projects
Kosa Irrigation & Contracting License info
License Not Verified
| License # | KOSAIIC793PH |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of February, 2026. Check the current license status of Kosa Irrigation & Contracting with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | KOSAIIC845PF |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- 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 Kosa Irrigation & Contracting at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | KOSAIIC793PH |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- 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 Kosa Irrigation & Contracting 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 # | KOSAIIC845PF |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- 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 Kosa Irrigation & Contracting at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Kosa Irrigation & Contracting, click “This is My Business” to update your information.
Insured
| Insurer | Ohio Security Ins Co |
| Insured up to | $2,000,000 |
Bonded
| Bonded Agent | American Contractors Indem Co |
| Bond Value | $12,000 |
Kosa Irrigation & Contracting Employees
DK
David Kosa
Partner/Member
KC
Kosa, David Chase
Partner/Member