Affordable Utility Locating Services in Southwest Washington
- twincitylocating
- Sep 18, 2025
- 3 min read
Updated: Oct 22, 2025
Understanding the costs associated with utility locating services is crucial for homeowners and contractors alike. At Twin City Locating, we strive to provide transparent pricing with no hidden fees. Our pricing structure is based on the distance from Centralia City Hall. If you provide us with your address, we can give you an exact quote. NO SURPRISE ADDED COSTS (ALL TAXES INCLUDED IN PRICE)
Pricing for EM Locating Services
You can easily determine your cost based on your distance from Centralia City Hall:
Within 15 minutes: $160
Within 30 minutes: $200
Within 45 minutes: $240
Within 60 minutes: $280
Within 75 minutes: $320
($40 for every additional 15 minutes further)
The first hour of locating on-site is included in the price, with a rate of $90 per hour thereafter. In fact, 90% of homeowners require less than one hour for locating services.
Cost Breakdown for EM Locating by County
Lewis County
Within Centralia city limits: $120
Chehalis: $160
Napavine: $200
Winlock: $200
Onalaska: $200
Ethel: $200
Toledo: $200
Vader: $200
Silver Creek: $240
Pe Ell: $200
Mossyrock: $240
Morton: $240
Thurston County
Grand Mound: $160
Rochester: $200
Bucoda: $160
Tenino: $200
Yelm: $240
Rainier: $200
Tumwater: $200
Olympia: $200
Lacey: $200
Grays Harbor County
Oakville: $200
Elma: $240
McCleary: $240
Montesano: $240
Aberdeen: $280
Westport: $320
Ocean Shores: $360
Cowlitz County
Castle Rock: $200
Kelso: $240
Longview: $240
Kalama: $240
Pricing for GPR (Including EM) Locating Services
For GPR services, the pricing is also based on the distance from Centralia City Hall:
Within Centralia city limits: $250
Within 15 minutes: $290
Within 30 minutes: $330
Within 45 minutes: $370
Within 60 minutes: $410
Within 75 minutes: $450
($40 for every additional 15 minutes further)
The first two hours of locating on-site are included in the price, with a rate of $125 per hour thereafter. GPR locating involves multiple runs to eliminate false positives and verify routes based on the interpreted data from the GPR machine. Many homeowners find that they utilize the full two hours of service.
Cost Breakdown for GPR Locating by County
Lewis County
Within Centralia city limits: $250
Chehalis: $290
Napavine: $290
Winlock: $290
Onalaska: $290
Ethel: $290
Toledo: $290
Vader: $290
Silver Creek: $330
Pe Ell: $290
Mossyrock: $330
Morton: $330
Thurston County
Grand Mound: $290
Rochester: $330
Bucoda: $290
Tenino: $330
Yelm: $370
Rainier: $330
Tumwater: $330
Olympia: $330
Lacey: $330
Grays Harbor County
Oakville: $330
Elma: $370
McCleary: $370
Montesano: $370
Aberdeen: $410
Westport: $450
Ocean Shores: $490
Cowlitz County
Castle Rock: $330
Kelso: $370
Longview: $370
Kalama: $370
Why Choose Twin City Locating?
Choosing the right utility locating service is essential for safe digging. At Twin City Locating, we prioritize your safety and peace of mind. Our expert team is dedicated to making utility locating accessible and affordable. We ensure that you know what lies beneath the surface, preventing potential damage to hidden lines.
When you contact us, you can expect clear upfront pricing. We believe in transparency and want you to feel confident in your decision. Our goal is to be your go-to local expert for private utility locating in Southwest Washington.
In conclusion, whether you need EM or GPR locating services, we are here to help. Our pricing is straightforward, and we are committed to providing you with the best service possible. Don't hesitate to reach out for your utility locating needs. We look forward to assisting you!
For more information, please visit our website or contact us directly. Your safety is our priority, and we are here to ensure that your digging projects are safe and successful.



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