a construction vehicle in a dirt field

About Us

Sebco Contracting LLC is a locally owned and operated underground utility contractor specializing in the installation of water, sewer, and storm drain infrastructure. As a trusted small business, we are committed to delivering high-quality construction services with a focus on safety, efficiency, budget control, and on-time project completion.

With more than 25 years of operational and management experience, our team has successfully served municipal, commercial, industrial, and government clients throughout the region. We have extensive experience working with federal, state, and local government agencies, utility providers, contractors, and municipalities on a wide range of infrastructure projects.

At Sebco Contracting, we take pride in building strong relationships, maintaining the highest standards of workmanship, and providing reliable solutions that support the communities we serve. Our commitment to excellence and customer satisfaction drives every project from planning through completion.

seven construction workers standing on white field
seven construction workers standing on white field
red hard hat on pavement\
red hard hat on pavement\
gray asphalt road under blue sky during daytime

Our Services

Sebco Contracting LLC specializes in the installation of underground wet and dry utilities, providing reliable infrastructure solutions for municipal, commercial, and government projects

Construction and installation of sewer mains and related infrastructure

Installation of stormwater drainage systems designed for effective water management and control.

a blue pipe laying on top of a pile of dirt
a blue pipe laying on top of a pile of dirt
orange and white plastic container on gray concrete floor
orange and white plastic container on gray concrete floor
Construction workers digging a trench on a city street
Construction workers digging a trench on a city street

Underground Utility Construction

Sanitary Sewer Systems

Storm Drain Systems

Complete installation, repair, and replacement

Construction site with workers, excavation, and heavy machinery
Construction site with workers, excavation, and heavy machinery

Water Main Installation and Replacement

Comprehensive wet and dry utility installation for new developments and infrastructure upgrades

a construction vehicle in a dirt field
a construction vehicle in a dirt field

Site Work Support

Excavation, trenching, and utility coordination to support safe and efficient project completion

Our Portfolio

For over 10 years, we've worked with a wide array of clients and continue to build trust across the industry

Overhead view of highway overpasses against a white sky

What Sets Apart?

Safety

Zero tolerance of unsafe practices, full adherence to industry standard safety requirements

Compliance

All services and materials delivered and furnished per owner/engineer specifications and requirements

Precision

Thorough logistical planning to ensure accurate and advanced delivery with optimal productivity

Efficiency

All specifications and details administered to ensure initial accurate delivery lowering mitigation

Communication

Open dialogue and correspondence at all levels of company hierarchy

Experience

Extensive experience and knowledge of industry standards, practices and specifications from ownership, management and field personnel

Construction workers review plans at a job site
Construction workers review plans at a job site
orange lights on top of white and red metal bars
orange lights on top of white and red metal bars
person drafting on blueprint

Contact Us

Sebco Contracting, LLC
PO BOX 206
Davidsonville, MD 21035