Nothing Gets Built Until the Ground Is Ready.
That's Where We Come In.A Certified Women-Owned Site Development Contractor. Serving Greater Baltimore Since 1982.
Complete Site Construction. Start to Finish.
We self-perform every aspect of site development with our own crews and equipment. From the first pass of the dozer to the final stormwater control measure, one contractor is accountable from day one.
Grading & Excavation
Site preparation is where every project begins. Our experienced grading and excavation crews handle full site clearing, rough and finish grading, and earthwork to spec — so the next phase of your project starts on solid ground.
Underground Utilities
The work nobody sees makes everything else possible. Comer Construction installs sewer, water, and storm drain systems with the precision and equipment needed to keep your project on schedule and on budget.
Stormwater Management
Every site disturbs the land. Comer Construction implements approved erosion control and stormwater management plans to protect the surrounding environment and keep your project compliant from groundbreaking through completion.
Maintenance of Traffic
Keeping a worksite safe means managing what happens beyond the fence line too. Our MOT team provides traffic control, lane closures, and flagging services — MDOT-trained and ATSSA-certified, compliant with all federal and state standards.
My grandfather started this company with a vision — to build not just projects, but careers and a true family culture. Today we carry that same commitment into every job.
About Comer Construction
Comer Construction was founded in 1982 by J. Marvin Comer with two trucks, a loader, and a dozer. His daughter Susie was by his side from the beginning, and together they built one of Greater Baltimore’s most trusted site development contractors, built on repeat business, honest work, and a reputation that speaks for itself.
Today, Comer Construction is a certified MBE/WBE contractor with a large, modern fleet maintained entirely in-house by our own mechanics. Our award-winning safety program sets the standard on every jobsite, and our team brings the experience and equipment to handle every phase of site development.
As a third-generation family business, we bring the same values to every job that Marvin brought to the first one.
Join Our Team
Comer Construction has been a great place to work since 1982. We offer competitive wages, full benefits, and a culture where every employee is valued. Whether you’re an experienced operator or just starting out, there’s a place for you here.
Recent Updates
From featured projects and community events to awards and company news, stay up to date with what’s happening at Comer Construction.
Grading & Stormwater Management in Aberdeen, MD
Comer Construction provided site construction services at The Eagles Rest community in Aberdeen, Maryland, including utility work, stormwater management, curb/gutter, sidewalk, and paving.
Grading & Utility for the GBMC Promise Project
The Comer Construction crew has been onsite at GBMC's Promise Project. Working with DPR Construction, our team is supporting various aspects of the project including: Earthwork Earth Moving Finish Grading Erosion and Sediment Control Exterior Improvements Paving...
2021 Employee Appreciation Event
A competitive Pinewood Derby race and a very active scavenger hunt are just some of the highlights from our 2021 Employee Appreciation Event.
Touch a Truck with Community Fire Company of Rising Sun, Inc.
The Community Fire Company of Rising Sun, Inc. hosted a Touch-a-Truck event on August 28, 2021. Comer Construction was proud to participate with several pieces of equipment, including our new brand skidloader! We also provided giveaways and activities for the kids....
Comer Construction Joins National Night Out in Harford County
Earlier this month, Comer Construction joined other local organizations in celebrating "National Night Out." This annual event, celebrated on the first Tuesday in August, brings communities together to promote police-community partnerships. The Harford County...
Site Work and Utilities in Aberdeen, Maryland
Comer Construction provided complete site construction services, including grading, excavation, utilities, and stormwater management for Aberdeen Station House #1.