Updated: Apr 23, 2026
Location and Projects
Address
PO BOX 1630, Woodland, WA, 98674
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Groat Bros Construction
Groat Bros Inc has provided excavation and site development services in Woodland, Washington, for over 35 years. The company’s work includes excavation, grading, and land clearing for both residential and commercial clients. Projects range from single-family home site preparation to larger commercial developments. Groat Bros Inc is experienced in handling demolition, utility trenching, drainage solutions, and road building throughout Cowlitz County and surrounding areas. The company operates its own fleet of heavy machinery to complete earthmoving and sitework efficiently. Groat Bros Inc also undertakes specialized projects such as retaining wall construction and septic system installation. With three decades in the local construction industry, Groat Bros Inc serves property owners, developers, and general contractors seeking reliable sitework in Southwest Washington.
Groat Bros Inc Services
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Groat Bros Inc Contact Information
Phone Number: (602) 258-8680
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Address: PO BOX 1630, Woodland, WA 98674
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Demolition (residential garage accessory modular ect.)
2020-09-21
No Description Available
Valuation:
N/A
Permit #:
BLD2020-00908
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Demolish geiger correction center building - 3427 s godfrey ave
Valuation:
N/A
Permit #:
B1504842DEMO
Status:
final
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Cp1605: demolish butt's tobacco building & all impervious
Valuation:
N/A
Permit #:
DEM16-0018
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Demolish geiger correction center building - 7320 w hall ave
Valuation:
N/A
Permit #:
B1504834DEMO
Status:
final
Fee:
$345
Permit Type:
N/A
Building Type:
N/A
Demolish geiger correction center building - 7506 w hall ave
Valuation:
N/A
Permit #:
B1504839DEMO
Status:
final
Fee:
$380
Permit Type:
N/A
Building Type:
N/A
Demolish geiger correction center building - 7510 w hall ave
Valuation:
N/A
Permit #:
B1504840DEMO
Status:
final
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Cp1605: big daddy's drive-in & all impervious
Valuation:
N/A
Permit #:
DEM16-0017
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Cp1605: demolish herr lumber building & all impervious
Valuation:
N/A
Permit #:
DEM16-0016
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Groat bros: type b hyd #1365 qs 910
Valuation:
N/A
Permit #:
HYD16-0032
Status:
final
Fee:
N/A
Permit Type:
Type b
Building Type:
N/A
Cp1605: demolish building & all impervious
Valuation:
N/A
Permit #:
DEM16-0019
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Demolish 2954 sq ft building
Valuation:
N/A
Permit #:
15-4018-DEM7
Status:
complete
Fee:
$0
Permit Type:
N/A
Building Type:
Commercial
Demolish commercial building
Valuation:
N/A
Permit #:
B1415440DEMO
Status:
final
Fee:
$380
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
15-4018-ELEC-0
Status:
complete
Fee:
$58
Permit Type:
N/A
Building Type:
Commercial
No Description Available
Valuation:
N/A
Permit #:
15-4018-CBDM-0
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
Commercial
Demolish single family residence state of washington dot project
Valuation:
N/A
Permit #:
B0903987DEMO
Status:
complete
Fee:
$65
Permit Type:
N/A
Building Type:
N/A
Demolition of existing one story commercial building per plot plan and subject to field inspection
Valuation:
N/A
Permit #:
6283941-DM
Status:
complete
Fee:
$491
Permit Type:
N/A
Building Type:
Commercial
Cp1605: herr & big daddy's drive in property: demolish cap
Valuation:
N/A
Permit #:
SWR16-0214
Status:
final
Fee:
N/A
Permit Type:
Demolish cap
Building Type:
N/A
Cp1605: herr & big daddy's drive in property: demolish cap
Valuation:
N/A
Permit #:
STM16-0233
Status:
final
Fee:
N/A
Permit Type:
Repair
Building Type:
N/A
No Description Available
Valuation:
$80,000
Permit #:
DMO2006-00053
Status:
Expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct new 4 bedroom single family residence lot 2
Valuation:
$0
Permit #:
105951
Status:
Final
Fee:
N/A
Permit Type:
N/A
Building Type:
Sfp
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Groat Bros Inc License info
License Not Verified
| License # | GROATBI174MR |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of November, 2025. Check the current license status of Groat Bros Inc with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | GROATBI174MR |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Groat Bros Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
Insured
| Insurer | Zurich American Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Developers Surety & Indem Co |
| Bond Value | $12,000 |
55
Permits
- Building permit records show that Groat Bros Inc has worked on 55 permitted projects.
Groat Bros Inc Employees
DG
Dennis Groat
Vice President
GL
Groat, Dennis Lee
Owner
KG
Kenneth Groat
Secretary
LG
Lloyd Groat
NG
Netta Groat
President