Where Is My Line? Utility Locating and Mapping Services

Where Is My Line? Utility Locating and Mapping Services Real Job sites, Real Markings, Real Responsibility Underground utility experts. Finding underground infrastructure in the Bay Area for 10+ years.

Both private & commercial. Open 24/7 text or call

it pays to be accurate.
05/16/2026

it pays to be accurate.

05/07/2026

keeping online, well online.

03/09/2026

marking fiber optic conduits

02/11/2026

oddly Satisfying

02/04/2026

silicon valley is dependent on fiber optic cable. this is right outside a data center. #811

01/25/2026

South Bay College utility workout. Fiber optic, electrical, water, gas, storm, steam @, MD conduits, nonconductive locating

01/21/2026

On certain sites its better to refresh old markings rather than place new hard markings down.

Lines everywhere for a reason. Before the saws, drills, and trenchers show up, we make sure everyone knows what’s hiding...
01/16/2026

Lines everywhere for a reason. Before the saws, drills, and trenchers show up, we make sure everyone knows what’s hiding below.

busy day today. we have “crayons” or washable markings for surfaces if paint is not suitable for your project!
01/10/2026

busy day today. we have “crayons” or washable markings for surfaces if paint is not suitable for your project!

01/03/2026

I use this "noisey" wand to locate the underground utilties. When found, I then grab my paint stick, ensure I am using the correct color, and mark the symbol that tells a story of whats under the ground. Fiber Optic Lines carrying data, internet, and other information.

03/27/2025

🚨 Close Call: Gas Line Hit After No 811 Call 🚨

Last week in Sacramento , a simple home improvement project turned dangerous when a contractor struck an unmarked gas line while digging. The crew was installing a fence and skipped the critical step of calling 811 to locate underground utilities.

What happened next?
• Nearby homes had to be evacuated.
• Emergency services responded to contain the leak.
• The project was delayed, costing thousands in repairs.

This could’ve been avoided.

Every year, avoidable accidents like this happen because people don’t take the time to call 811 before digging. Gas, water, electric, and communication lines are often just a few inches beneath the surface—and one wrong move can lead to disaster.

⸻

💭 Have you ever seen something like this happen?
Drop your experiences or thoughts in the comments. Let’s talk about how close calls like this can be prevented.

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2340 Karen Drive
Santa Clara, CA
95050

Telephone

+14088290579

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