Private Utility Locating & GPR in Mason County, WA (Near You)

Twin City Locating provides private utility locating and Ground Penetrating Radar (GPR) services throughout Mason County, Washington. This page is part of our Southwest Washington service-area coverage, helping property owners locate private utilities before digging.

If you’re searching for private utility locating near me in Mason County, this page provides county-specific service information.

Call or Text: (360) 720-3333
Email: TwinCityLocating@gmail.com
Service-area based in: Centralia, WA
 

Mason County Private Utility Locating Services

We locate and mark private-side utilities including:

• Private water services and main lines
• Sewer laterals, cleanouts, and drain lines
• Septic tanks and drain fields
• Private electrical and communications lines
• Irrigation and propane lines
• Undocumented or abandoned utilities

Private utilities are common throughout Mason County, particularly on rural and waterfront properties, and are often not marked by 811.
 

Ground Penetrating Radar (GPR) in Mason County

GPR is commonly used in Mason County to locate utilities that cannot be detected using traditional locating methods.

Common GPR applications include:

• PVC and clay utility lines
• Septic system mapping
• Utilities without tracer wire
• Buried lines on rural and waterfront properties

Soil conditions, fill material, and moisture levels can vary throughout the county, but GPR often provides valuable insight when standard locating is limited.
 

Cities and Communities Served in Mason County

Twin City Locating serves all of Mason County, including:

Shelton
Belfair
Allyn
Union
Hoodsport

We also serve surrounding rural and waterfront areas throughout the county.

For a complete list of counties we serve, visit our Service Areas page.
 

Related Service Areas

If your project is outside Mason County, we also provide service in:

• Lewis County
• Thurston County
• Grays Harbor County
• Pacific County
• Cowlitz County
 

Schedule Utility Locating in Mason County

If you need private utility locating or GPR near you in Mason County, contact Twin City Locating.

Call or Text: (360) 720-3333
Email: TwinCityLocating@gmail.com