ADU Builders in Massachusetts

Transform your property with our expert ADU construction services. From backyard cottages to garage conversions, we create beautiful, functional accessory dwelling units that maximize your property’s potential and value.

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Comprehensive ADU Construction Services

From detached backyard units to garage conversions, we offer complete ADU construction services designed to create additional living space and increase your property’s rental income potential.

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Detached ADU Construction

  • Backyard cottage builds
  • Custom floor plan design
  • Foundation & framing work
  • Complete utility connections
  • Energy-efficient features

Build a completely separate living space in your backyard with our detached ADU construction services.

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Garage Conversion ADUs

  • Existing garage transformations
  • Insulation & climate control
  • Kitchenette installations
  • Bathroom additions
  • Permit & code compliance

Convert your existing garage into a comfortable, legal living space with our conversion expertise.

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Attached ADU Construction

  • Home addition projects
  • Separate entrance creation
  • Soundproofing solutions
  • Independent utility systems
  • Privacy design features

Add a connected but independent living space to your existing home structure.

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Basement ADU Development

  • Basement finishing projects
  • Egress window installations
  • Separate entrance creation
  • Kitchen & bathroom additions
  • Moisture control systems

Transform your basement into a legal, comfortable living space with proper egress and utilities.

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ADU Permitting & Design

  • Zoning compliance review
  • Building permit applications
  • Architectural design services
  • Code compliance planning
  • Utility connection planning

Navigate Massachusetts ADU regulations with our comprehensive permitting and design services.

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ADU Investment Consulting

  • ROI analysis & planning
  • Rental income projections
  • Property value assessments
  • Construction cost estimates
  • Market feasibility studies

Maximize your investment with our ADU feasibility and financial planning services.

ADU Construction Process in Massachusetts

From initial consultation to final inspection, our systematic ADU construction approach ensures your project meets all Massachusetts requirements while delivering maximum value and functionality.

1

Site Assessment & Zoning Review

We evaluate your property’s ADU potential, review local zoning requirements, and assess site conditions. Our team checks setback requirements, utility access, and identifies any restrictions that might affect your ADU project.

2

Design & Permitting

Our architects create custom ADU designs that maximize space and functionality while meeting all Massachusetts building codes. We handle all permit applications and coordinate with local building departments to ensure smooth approval.

3

Foundation & Construction

We begin construction with proper foundation work, then build your ADU with quality materials and expert craftsmanship. Our team manages all aspects of construction, from framing to electrical and plumbing installations.

4

Finishing & Final Inspection

We complete your ADU with high-quality finishes, install all fixtures and appliances, then coordinate final inspections. Our team ensures your ADU meets all requirements and is ready for occupancy or rental.

Our ADU Construction Success

150+

ADUs Completed

12+

Years Experience

95%

Client Satisfaction

Frequently Asked Questions About ADU Builders in Massachusetts

Get answers to the most common questions about ADU construction, costs, timelines, and benefits in Massachusetts.

How much does it cost to build an ADU in Massachusetts?

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ADU construction costs in Massachusetts typically range from $150,000 to $400,000 depending on size, type, and finishes. Detached ADUs generally cost more than garage conversions or basement ADUs. Our ADU builders provide detailed cost estimates during the initial consultation, including permits, materials, labor, and utility connections.

How long does it take to build an ADU in Massachusetts?

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The timeline for ADU construction in Massachusetts typically takes 4-8 months from permit approval to completion. This includes 2-4 weeks for design and permitting, 3-6 months for construction, and 1-2 weeks for final inspections. Our experienced ADU builders work efficiently to minimize delays while ensuring quality construction.

Who are ADUs designed for?

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ADUs in Massachusetts are perfect for homeowners who want to generate rental income, provide housing for family members, or create a home office or studio space. They’re ideal for aging parents, adult children, or tenants. Our ADU builders create flexible designs that can adapt to different needs and family situations.

What are the main benefits of building an ADU?

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ADUs in Massachusetts offer multiple benefits: increased property value (typically 20-30%), rental income potential ($1,500-$3,000+ monthly), flexible living arrangements, and additional space for work or hobbies. They also help address housing shortages and provide affordable housing options in your community.

Do I need special permits to build an ADU in Massachusetts?

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Yes, ADU construction in Massachusetts requires building permits, zoning approval, and potentially electrical and plumbing permits. Our ADU builders handle all permit applications and ensure compliance with local building codes, setback requirements, and utility connection standards. We coordinate with local authorities throughout the process.

Can I convert my existing garage into an ADU?

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Yes, garage conversions are a popular and cost-effective way to create ADUs in Massachusetts. Our ADU builders specialize in transforming existing garages into comfortable living spaces with proper insulation, utilities, and egress requirements. Garage conversions typically cost 30-50% less than new construction.

What financing options are available for ADU construction in Massachusetts?

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Several financing options are available for ADU construction in Massachusetts, including home equity loans, cash-out refinancing, construction loans, and personal loans. Some programs offer specific ADU financing with favorable terms. Our ADU builders can provide cost estimates and connect you with financing resources to make your project affordable.

Ready to Build Your ADU?

Don’t let valuable space go unused! Our experienced ADU construction team in Massachusetts is ready to help you create additional living space and rental income on your property.

Contact Us Today

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