Serving St. Mary’s County and Southern Calvert County for 50 Years!

Larry Hills & Sons Excavating has been the most trusted name in the management of septic tank systems over the years. With our wide range of services, great attention to detail and extensive training, we are St. Mary’s County and Southern Calvert County’s first choice for septic and excavating services. Whether you need emergency septic repair or it is time for regular maintenance, our professionals are there for you. Call us if you have any questions about us or our services.

Septic Services:
  • Septic Drain Fields
  • Perc Tests
  • Septic Tank Pumping
  • Septic Systems Installed
  • Nitrogen Reduction Systems Installed
Excavation Services:
  • Site Work
  • Land Clearing
  • Building & Site Preparation
  • Grading
  • Driveways
  • New Roads & Parking Lots
  • Footers
  • Foundation Excavating
  • Demolition Services
  • Site Drainage
  • Delivery Available
  • Decorative Stone
  • Blue Stone
  • Red Stone
  • White Stone
  • CR6
  • RC6
  • Mason Sand
  • Concrete Sand
  • Wash Gravel
  • Asphalt Millings
  • Crushed Asphalt
  • Recycled Concrete
  • Pea Gravel
  • Screened Topsoil
  • Fill Dirt
  • Decorative Stone
  • Pit Sand
  • Bank Run Gravel Fill Dirt

At Larry Hills & Sons Excavating, we understand the significance of getting quality service at reasonable prices. That’s why we offer free estimates when you call us at 301-994-9700

Contact Info

20531 Point Lookout Rd
Great Mills, MD 20634


Coverage Area

St. Mary's County, Southern Calvert County, Leonardtown, Callaway, Point Lookout,
Tall Timbers, Lexington Park, Loveville, Hollywood, California, Great Mills, Mechanicsville, Lusby, Solomons Island,
St. Leonard