Renton, Washington Field Office

What underground utility services are offered in Renton, Washington?

Our expert team specializes in an array of services including Metallic Line Detection, Non-Metallic Line Detection, Leak Detection, Ground Penetrating Radar, Concrete Scanning, Fault Detection, Video Camera Inspections, Sewer Crawler Inspections, Design Survey Locating, Magnetic Detection, Aerial Drone Imagery, Plastic Water Locates, Design Survey Locates, Public and Private Locates, and more.

Why should you choose CNI Locates?

The Law requires you to call 811 to locate your public utilities before you dig. Private Utilities account for more than 50 percent of utilities in most work areas. That’s why you should make CNI Locates Underground Utility Detection and Inspection Services your second call. Determining the difference between public and private utilities can be difficult, it varies from state to state and municipality to municipality. CNI Locates has the expertise and experience to interpret these complexities for you. Our advanced locating capabilities include but are not limited to Metallic Line Detection (known as Electromagnetic Detection), Non-Metallic Pipe Detection, Magnetic Detection, Structural & Concrete Imaging, Ground Penetrating Radar, Leak Detection, Electrical Fault Detection, and Video Pipe Inspections of Public and Privately-owned utilities. These services prevent costly damages, project delays, and help keep you and your crews safe.

How do I schedule an appointment with dispatch?

Please call (253)826-1177 or (425)407-9399, email [email protected], or schedule a work request/estimate through our website. All we need is 24 hours’ notice Monday through Friday to schedule an appointment for the next business day.

About CNI Locates

C-N-I Locates has 25 staff members, with 20 of those being field Technicians. We operate 20 service trucks and vans that dispatch from Everett, Renton, Seattle, Tacoma, Eugene, and Portland. Contact C-N-I Locates today for underground utility detection and inspection services on any residential or commercial property in Oregon or Washington State including the complete Everett, Renton, Seattle, Tacoma, Eugene, and Portland metro areas. Call (253) 826-1177 for immediate assistance or to schedule an appointment call Toll Free: (877) 826-1177.C-N-I Locates is on-call 24/7, 365 days a year. Call Office first, then Mobile phone, Text and Email. We will be given 15 minutes to respond from time of call. If 15 minutes pass with no response, then Text. Guaranteed two-hour response time on calls and emails 8am-5pm (Monday-Friday). All we need is 24 hours notice Monday-Friday to schedule for the next business day.

• All services billed at a 2-hr minimum, including all travel time to & from the nearest field office (Everett, Renton, Seattle, Tacoma, Eugene, or Portland).
• Emergency services–overtime rate applies / afterhours & weekend services–double-time rate applies 4-hr minimum.
• All travel over 100 miles billed at standard 2022 IRS mileage reimbursement rate of $ 0.625/mile.

Hours of Operation: Monday – Friday 8am – 5pm.After Hours: 5pm – 8am Monday – Friday, including Weekends and Holidays. OVERTIME RATES APPLY FOR ALL AFTER-HOUR EMERGENCIES, WEEKEND & HOLIDAY SERVICES.HOLIDAYS:
• Memorial Day
• Independence Day
• Labor Day
• Thanksgiving Day
• Christmas Day
• New Year’s Day

We can provide upon request and as needed our Certificate of Liability Insurance (COI), EMR Worker’s Comp experience factors and history, and CNI’s W-9 Form. We are happy to provide any company information, email our accounting department with any requests at [email protected].

Corporate Office

C-N-I Locates Ltd.
PO Box 7740
Bonney Lake, WA 98391

Field Office Locations

  • Everett (Dispatch Point) (425)407-9400
  • Renton (Dispatch Point) (425)407-9399
  • Seattle (Dispatch Point) (206)681-0034
  • Tacoma (Dispatch Point) (253)831-6350
  • Portland (Dispatch Point) (971)312-6745
  • Eugene (Dispatch Point) (541)650-9324


toll-free # (877) 826-1177
phone # (253) 826-1177
email [email protected]

Administrative/Accounts Receivable

Bonney Lake – Corporate Office
phone # (253) 862-5204
fax # (253) 826-2232
email [email protected]