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 interior rough-in, the water-service entrance inside the building, drain-waste-vent systems, and finish plumbing for new homes, additions, and accessory dwelling units. The work is backed by a family-owned company that has served the area since 1928.
New Home Plumbing
New-construction plumbing needs careful planning from the first interior rough-in through fixture installation. A.J. LeBlanc Heating works with builders and general contractors throughout Southern NH to complete the plumbing inside the home on schedule, return for inspection, and finish the fixtures when the building is ready.
- 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
- Required 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
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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.