
Timonium’s Top Rated Excavation & Site Prep Contractor
Need Sitework or Excavation in Timonium?
We’ve Got the Equipment & Experience.
Reliable Excavation, Drainage & Utility Trenching for Timonium Properties
Professional Sitework & Excavation Solutions in Timonium, MD
Severn Excavation delivers excavation, grading, and drainage services throughout Timonium, Maryland and surrounding areas. Local jobs often involve correcting unstable soil or managing water before construction can move forward. We support contractors, businesses, and homeowners with site prep, trenching, and erosion control to create stable ground for building. Because we’re familiar with Baltimore County codes, we ensure projects meet local requirements with no wasted time.
Our most requested services in Timonium include:
Excavation & Site Prep – Clearing, grading, and foundation preparation for residential and commercial builds.
Drainage Solutions – French drains, swales, and yard regrading to keep water away from your home.
Utility Trenching (Water, Sewer & Electric) – Precise trenching for water lines, sewer systems, and electrical conduits.
Patios & Retaining Walls – Hardscape installations built with durable materials like Nicolock systems.
Erosion Control – Soil stabilization and water management for long-term property protection.
Every project we take on is handled with the same precision, attention to detail, and respect for your property, so you can trust us to get the job done right. Contact us at (443) 346-4897 or send your details to us through our quick contact form to get started on your project.
Services We Offer:
Excavation & Grading
Brush & Vegetation Clearing
French Drains (Covered & Open Systems)
Trench drains & Dry wells
Retaining Wall & Patio Installation
Site Renovation & Cleanup
Lot Clearing & Preparation
Yard Drainage & Stormwater Solutions
Basement & Foundation Waterproofing Systems
Sewer Line & Pipe Replacement
Soil Stabilization & Erosion Control
Gravel Driveway & Parking Pad Installation
Why Timonium Clients Count On Our Team
Your Local Team for Expert Excavation, Drainage & Hardscape Projects.
Whether you’re a homeowner protecting your property from water damage or a contractor preparing a job site, our team brings the same level of care and efficiency to every project.
Owner-managed projects — Tommy is involved on every job.
Veteran-owned and operated with 10+ years’ industry experience.
Licensed Maryland Home Improvement Contractor.
Certified in Nicolock, NDS Drainage, and ICPI systems.
Local knowledge of soil characteristics, drainage patterns, and permitting.
Affordable financing options available through Acorn Financing.
Where We Work
We Serve Anne Arundel & Baltimore County
Based in Severn, MD, we offer excavation and drainage services across Anne Arundel and Baltimore County and surrounding areas.
If you have questions, or you’re not sure if we can reach you, give us a call at (443) 346-4897 or reach us through our quick contact form.

Sitework Services You Can Trust
Reach out today for a quick estimate. We’ll handle the site visit, review your plans, and outline exactly what it takes to get the job done right.