Excavation, Coastal Hardscape & Drainage in Cohasset, Weymouth & Holbrook, MA
Cohasset, Weymouth, and Holbrook are Norfolk County's remaining coastal-corridor communities — and three genuinely distinct markets. Cohasset is a Norfolk County exclave surrounded entirely by Plymouth County towns, with rocky coastal terrain and premium hardscape demand; Weymouth is a large mixed community with both sewered and septic neighborhoods; Holbrook is smaller suburban lots with steady drainage and driveway needs. Reach the MAC Excavation & Landscape team at 781-361-3009 for a free on-site estimate.
Cohasset, MA
Cohasset is a small, affluent coastal town known for its rocky shoreline, yacht club, and high-end residential character — and a geographic curiosity: it belongs to Norfolk County even though every town it touches is in Plymouth County. Properties here range from oceanfront estates to wooded hillside homes, with granite outcrops and genuine ledge creating technically demanding excavation conditions; blasting is sometimes required where bedrock runs shallow. Elevated water tables in low coastal areas and flood zone considerations shape septic and drainage design, while homeowners invest heavily in premium outdoor living spaces — natural stone and granite hardscape that matches the local geology.
Terrain & Soil Conditions
- Coastal rocky terrain with significant granite ledge
- Sandy and gravelly coastal soils near shoreline
- Shallow bedrock — blasting sometimes required
- Elevated water tables and flood zone exposure in low coastal areas
Common Projects
- Rock excavation and ledge removal
- Natural stone and granite hardscape matching local geology
- Septic system installation around ledge constraints
- Pool and outdoor living site preparation
- Shoreline-adjacent grading and drainage
Title 5 & Permitting Note
Cohasset falls under Norfolk County jurisdiction. Conservation Commission and Coastal Zone Management regulations apply along the Rocky Beach and Little Harbor areas. Ledge excavation may require blasting permits.
Weymouth, MA
Weymouth is one of the largest towns in the MAC service area by population, featuring dense residential neighborhoods, commercial activity on Route 18 and Route 3A, and significant waterfront along the Back River and Weymouth Fore River. Many older neighborhoods have aging infrastructure, and drainage issues are common in low-lying areas. Weymouth is a genuinely mixed community on the utility map: much of the town is sewered, but septic-served pockets remain, and MAC handles Title 5 work in those sections alongside the town's high volume of driveway, drainage, and hardscape improvement projects.
Terrain & Soil Conditions
- Coastal and estuarine soils near Back River and Fore River
- Glacial till and sandy fill in inland residential areas
- Dense urban and suburban development
- Some elevated water table areas near tidal rivers
Common Projects
- Driveway excavation and reconstruction
- Drainage and catch basin installation
- Patio and retaining wall installations
- Septic system work in non-sewered sections
- Commercial grading and site preparation
Holbrook, MA
Holbrook is a small, densely developed town on the Norfolk–Plymouth County border adjacent to Abington and Brockton. It features some of the oldest housing stock in the MAC service area, driving consistent demand for septic replacement, driveway reconstruction, and drainage improvements. Lot sizes are small, requiring precise excavation work and compact hardscape solutions — the bread-and-butter projects that keep older suburban properties functional and dry.
Terrain & Soil Conditions
- Mixed sandy loam and till soils
- Dense older residential development
- Small lot sizes — precision excavation required
- Some low-lying poorly drained areas near wetlands
Common Projects
- Septic system replacement on older lots
- Driveway reconstruction and apron work
- Drainage corrections and catch basin installation
- Small patio and walkway hardscape
- Foundation excavation for home improvements
Services Available in Cohasset, Weymouth & Holbrook
Excavation & Site Work
Full-service excavation, grading, and site preparation for residential and commercial projects.
Septic Systems
Title 5 compliant septic installation, replacement, and engineering for all soil conditions.
Hardscape Construction
Professional hardscape design and build including driveways, walkways, and outdoor features.
Retaining Walls
Structural and decorative retaining walls for sloped lots and landscape management.
Patios & Outdoor Living
Custom patios, fire features, and outdoor living spaces built to last.
Landscaping
Landscape grading, lawn installation, and complete yard restoration services.