PROFESSIONAL EQUIPMENT AND SERVICES
SEPTIC SYSTEMS
Design, Installation & Repair
GRADING & DRAINAGE
Serface Drainage & Foundation Drains
LAND CLEARING FORESTRY MULCHING
Stumping, Tree & Brush Clearing
DRIVEWAYS & LOTS
DEMOLITION & Hammering
FROM START TO FINISH! WE DO IT ALL.
Complete septic system design and installation, foundation excavation of home additions & garages in New Hampshire.
VAST OFFER
We Can Handle All Types of Septic Services, Excavation and Demolition Services NH
Our residential, commercial and industrial clients in New Hampshire rely on our industry-leading experience and dedicated staff to safely and efficiently complete some of the most challenging excavations jobs.
We are also experienced demolition contractors in New Hampshire. You can count on us to show up with the right tools every time and complete every demolition work efficiently. Our team is fast and have the expertise to take even the most challenging jobs while adhering to the highest standards of safety.
Frequently Asked Questions
What services does BWP & Sons Excavation provide?
BWP & Sons Excavation offers a full range of services including septic system installation and replacement, excavation, land grading, drainage solutions, land clearing, demolition, and foundation excavation for residential, commercial, and industrial projects throughout Southern New Hampshire.
Do you handle complete septic system replacement?
Yes. Septic system replacement is one of our core services. We handle everything from system design and permitting to excavation, installation, and leach field replacement. You can learn more about our process on our septic systems service page.
Can you prepare land for new construction?
Absolutely. We provide complete land clearing and site preparation services, including tree and brush removal, stumping, grading, and excavation to create build-ready sites for homes, garages, and commercial buildings.
What areas do you serve?
BWP & Sons Excavation serves homeowners, contractors, and businesses throughout Southern New Hampshire, including the Seacoast and surrounding towns. If you’re unsure whether we service your area, just give us a call — we’re happy to confirm.
How do I get a quote for excavation or site work?
Getting started is easy. Contact BWP & Sons Excavation to schedule a site evaluation. We’ll review your goals, assess site conditions, and provide a clear, upfront estimate for services such as excavation, foundation work, drainage, or septic installation.









