ADU Construction Services by New Hampton Construction
New Hampton Construction designs and builds accessory dwelling units (ADUs) that are private, comfortable, and thoughtfully integrated with the existing property. Adding an ADU is more than constructing a second structure — it's about creating independence, flexibility, and long-term value on your own land, without disrupting the feel of the main home.
As an experienced ADU builder, New Hampton Construction works with homeowners across Long Island to deliver fully livable spaces tailored to a range of needs and lifestyles.
Types of ADUs and Backyard Structures They Build:
- Age in Place Suite — A private in-law suite or granny flat with its own kitchen, bathroom, and entrance, designed to keep aging parents close to family while maintaining their independence.
- Adult Children's Suite — An independent living space for college graduates or young adults transitioning into the next stage of life.
- Guest House — A backyard cottage or detached ADU designed as a welcoming space for extended family visits or overnight guests.
- Pool House — A functional and comfortable structure that serves as a natural extension of the home and outdoor living area.
- Rental Property — A fully equipped detached ADU or Casita suitable for long-term tenants or short-term rental platforms like Airbnb.
- Home Office or Professional Suite — A quiet, detached workspace for calls, clients, or focused work away from the main home.
- Wellness or Fitness Space — A personal backyard retreat designed for yoga, workouts, or a small home spa.
- Hobby or Craft Studio — Dedicated space for creative pursuits like painting, woodworking, or sewing.
How the Process Works
New Hampton Construction follows a structured three-step process to take a project from initial concept through to completed construction.
- Vision & Design — The process begins with a collaborative design consultation to understand the homeowner's lifestyle, preferences, and goals. This includes personalized consultations, access to planning tools, and an initial project assessment.
- Curate Selections — Their team guides clients through material and finish selections using a custom planner. Permits, scheduling, and vendor coordination are all managed by New Hampton Construction, with clients having access to a dedicated client portal throughout.
- Build & Transform — A trusted crew carries out the construction with consistent communication, so homeowners are always informed about progress. Each project includes a dedicated project manager and full access to a live schedule.
Common Questions About Building an ADU
Will an ADU increase property value?
Well-designed ADUs can boost property value and appeal, particularly in areas where multigenerational living or rental flexibility is in demand. New Hampton Construction focuses on building units that blend with the existing home and neighborhood.
Can I build an ADU on my property?
Eligibility depends on local zoning laws and property size. New Hampton Construction helps homeowners navigate local regulations, verify eligibility, and design a unit that meets all code requirements.
How long does construction take?
Most ADU projects take between 4 and 8 months, depending on scope, permitting, and site conditions. They manage every step from design through final inspection.
What does an ADU cost?
Costs vary based on size, location, and whether the unit is attached or detached. Most ADUs range from $100,000 to $300,000+. New Hampton Construction provides a clear proposal upfront based on the homeowner's needs and budget.
Are there grants available?
Homeowners in participating Long Island towns such as Huntington, Brookhaven, or Southold may be eligible for grants through the Plus One ADU Program. New Hampton Construction can help explore available options and assist with the application process.