New Construction Plumbing
in Southern NH
A.J. LeBlanc Heating's licensed plumbers handle complete new construction plumbing across Southern NH. We work with builders and general contractors on rough-in, water service, DWV systems, and finish plumbing for new homes, additions, and ADUs, backed by a family-owned company that has served the area since 1928.
New Home Plumbing
New construction plumbing requires careful planning and execution from the ground up. A.J. LeBlanc Heating works with builders and general contractors throughout Southern NH to install all rough-in plumbing on schedule, return for inspection, and complete finish plumbing when the home is ready. A.J. LeBlanc Heating's licensed plumbers handle single-family homes, multi-family, and mixed-use construction.
- Complete rough-in plumbing for new homes
- Water service entrance and main shut-off
- Supply line distribution throughout the home
- Drain, waste, and vent (DWV) systems
- All permit and inspection coordination
- Finish plumbing, fixtures, trim, and final connections
Additions & ADU Plumbing
Home additions and accessory dwelling units (ADUs) require extending existing plumbing systems to new spaces. A.J. LeBlanc Heating handles all the planning, permitting, and installation for home additions, garage apartments, in-law suites, and other accessory structures.
- Home addition plumbing rough-in and finish
- Garage apartment and ADU plumbing
- In-law suite bathroom and kitchen plumbing
- Coordination with your builder and GC
- All permits and inspections managed
Recent New Construction Plumbing
New Construction Plumbing FAQ
Do you work with builders and general contractors?
Yes. A.J. LeBlanc Heating regularly handles the plumbing on new construction projects, working alongside your general contractor. We coordinate with your GC for scheduling, inspections, and phasing.
Do you handle the plumbing permit?
Yes. A.J. LeBlanc Heating pulls all plumbing permits and coordinates inspections with the local Southern NH building department.
What is rough-in plumbing?
Rough-in plumbing is the first phase. We install all the supply lines, drain pipes, and vent stacks inside the walls and floors before they are closed up. Finish plumbing (fixtures, faucets, trim) comes after drywall.
Can you help with plumbing design for a new home?
Yes. A.J. LeBlanc Heating works with your architect or designer on fixture placement and plumbing layout, or advises the GC directly.
Southern NH Communities We Serve
Free estimates and prompt service across Southern New Hampshire. Find your town for local details, or call 603-623-0412.
Services in Southern NH's Largest Cities
Request New Construction Plumbing
A.J. LeBlanc Heating works with builders and homeowners on new construction and addition plumbing across Southern NH. Contact us to discuss your project. We also handle the HVAC and electrical, see our New Construction overview.
Get in Touch
Fill out the form and we'll get back to you. Usually the same business day. For emergencies, call us directly.
Contact Information
Mon-Fri: 8am-4:30pm
Evenings & Weekends: Emergency Service
24/7 Emergency Service
No heat? No hot water? Call 603-623-0412 any time.