Expert Underground Utility, Excavating, and Paving Services in Monterey, Santa Cruz, and San Benito Counties
Trusted solutions for residential, commercial, industrial, and municipal projects. Coastal Pipeline Inc. combines quality, innovation, and reliability to exceed your expectations.
Underground Utilities
Our underground utility services include sewer, water, storm drain, gas, and electrical conduit line installations, designed to meet the needs of any project. With precision and advanced techniques, we ensure safe, compliant, and long-lasting results.

Sewer Services
From installation to cleaning and repair, trust us for safe, efficient sewer solutions, including trenchless pipe bursting and video inspections conducted in accordance with NASSCO’s Pipeline, Lateral, and Manhole Assessment Certification Programs (PACP, LACP, and MACP).

Water Pipeline Services
Expert installation, repair, and replacement of water pipelines, along with the implementation of reliable backflow prevention systems to safeguard your water supply.

Storm Drainage Systems
Professional storm drain installation, cleaning, and repair to manage water flow and prevent property damage.

Electrical Conduit Line Services
Expert underground electrical conduit services designed for safe, durable, and code-compliant infrastructure.

Gas Line Services
Expert underground gas line services designed to meet PG&E construction standards, local codes, and safety regulations.

Fire Line Services
Complete underground piping systems designed to deliver water to hydrants and fire suppression infrastructure.
Request Underground Utility Services
Don’t wait—contact Coastal Pipeline Inc. today for expert solutions and exceptional service tailored to your needs!
Excavating and Paving Services
Coastal Pipeline Inc. offers professional excavation, grading, trenching, and paving services to prepare and enhance your property. Whether it’s a driveway, parking lot, or municipal roadway, we deliver quality and durability you can count on.

Excavation Services
Precise site preparation for foundations, utilities, and landscaping with a focus on safety and efficiency.

Grading Services
Professional land grading to ensure proper drainage, stability, and a solid foundation for your project.

Trenching & Backfilling
Accurate trenching and backfilling services, including PG&E-approved trench solutions for utility installations.
Request Excavating and Paving Services
Ready to break ground on your next project? Contact Coastal Pipeline Inc. today for reliable excavating and paving services!
Asphalt Services
Coastal Pipeline Inc. provides expert asphalt services, including paving, repair, resurfacing, crack filling, sealcoating, parking lot striping and marking.

Parking Lot Striping and Marking
Professional parking lot striping and marking services to ensure your property looks great and operates safely.

Asphalt Sealcoating
Sealcoating solutions to restore beauty, enhance durability, and protect your investment and endure constant wear from traffic, weather, and UV rays.

Asphalt Crack Filling
Expert asphalt crack filling services to stop damage with proven methods to seal out moisture, restore surface integrity, and extend the life of your pavement.

Asphalt Resurfacing
Expert asphalt resurfacing services to rejuvenate worn surfaces, adding years of life while enhancing curb appeal and safety.

Asphalt Patching and Repairs
Professional asphalt patching and repairs using proven techniques and premium materials to restore your asphalt, ensuring long-lasting results and improved curb appeal.

Asphalt Paving
Expert asphalt paving solutions for residential, commercial, and municipal clients ensuring a seamless, durable finish built to withstand the test of time.
Request Asphalt Services
Don’t wait—contact Coastal Pipeline Inc. today for expert asphalt services and exceptional solutions tailored to your needs!
Why Choose Coastal Pipeline Inc.?
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