ADU Builders in Framingham, MA
Accessory Dwelling Units

In Framingham, MA, adding an Accessory Dwelling Unit (ADU) presents a smart solution to maximize your property’s potential while meeting the growing needs of multigenerational families. Taking advantage of the city’s progressive zoning policies, homeowners can seamlessly expand living space and boost property value without compromising neighborhood charm. Discover how a custom-built ADU can transform your Framingham home into a versatile and valuable asset.

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ADU builder in Framingham, MA — Regulus Construction

Regulus Construction builds custom ADUs for homeowners in Framingham, Middlesex County, and throughout MetroWest.

ADU Types We Build in Framingham, MA

In Framingham, MA, homeowners can choose from several types of ADUs to suit their lifestyle and property layout. Detached ADUs offer complete privacy, creating a separate living space ideal for extended family or rental income. Attached ADUs provide seamless access to the main house, perfect for multigenerational living while maintaining close connection. Garage conversions transform underutilized space into cozy, functional homes without expanding the footprint, preserving the yard for outdoor enjoyment.

Studio ADU in Framingham, MA

Studio ADU

A compact, efficient layout for one person — perfect for a caregiver, aging parent, or rental tenant.

Best for: Single occupancy, minimal footprint

1-Bedroom ADU in Framingham, MA

One-Bedroom ADU

Ideal for aging-in-place, caregivers, or long-term rental use with a private bedroom and full bath.

Best for: Privacy + livability balance

2-Bedroom ADU in Framingham, MA

Two-Bedroom ADU

Best for multigenerational living, small families, or maximizing rental income potential.

Best for: Multigenerational flexibility

Garage Conversion ADU in Framingham, MA

Garage Conversion ADU

Convert an underused garage or build a finished apartment above it into a fully independent living space.

Best for: Using existing structure

Detached ADU in Framingham, MA

Detached ADU

A standalone backyard cottage with maximum privacy and clear separation from the main home.

Best for: Maximum privacy

Attached ADU in Framingham, MA

Attached ADU

An addition connected to your home — ideal when you want shared utility runs and convenient access.

Best for: Efficient utilities + access

ADU interior kitchen and living area in Framingham, MA

Quality Finishes, Built to Last

Navigating ADU zoning and permitting in Framingham, MA, requires careful attention to local regulations and town hall procedures. Our contractor expertly manages the complete approval journey, ensuring seamless communication and compliance from application to final authorization.

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Our ADU Process in Framingham, MA

Step 1: Dream and Design — Together, we explore your property’s potential and craft a personalized ADU blueprint that fits your lifestyle and Framingham’s unique vibe. This is where imagination meets practicality, setting the stage for your perfect space. Step 2: Green Light for Growth — We navigate the town’s permitting maze on your behalf, securing all the necessary approvals swiftly and smoothly. You’ll stay informed without the headache, knowing your project is fully authorized and ready to move forward. Step 3: Building Your Vision — Our skilled team transforms plans into reality with precision and care, minimizing disruption to your daily life. Watch as your new ADU takes shape, blending seamlessly with your existing home and neighborhood charm. Step 4: Welcome Home — We walk you through every detail of your finished ADU, ensuring everything exceeds your expectations. With a final inspection complete, your fresh, functional space is ready to welcome family, friends, or tenants stress-free.

1. Feasibility & Site Fit

We confirm what your Framingham lot can support: placement, access, utilities, parking, and the path to approvals. You get a clear go/no-go before spending money on drawings.

2. Design & Planning

We translate your goals into a buildable plan — layout, materials, and a detailed scope — structured for a smooth route into permitting and construction.

3. Permits & Approvals

We manage the permit process with Framingham’s Building Department, including plan sets, site plan, energy code documentation, and sewer/septic approvals as applicable.

4. Construction & Closeout

We manage the full build — site work, framing, MEPs, insulation, finishes, and the inspection sequence needed to close the permit and move toward occupancy.

ADU Zoning & Permitting in Framingham, MA

  • Massachusetts law allows one ADU “by right” in single-family zoning districts, subject to reasonable local regulations and building/septic code requirements.
  • ADU size is capped at the lesser of 50% of the principal dwelling’s gross floor area or 900 sq ft statewide.
  • Owner-occupancy requirements cannot be imposed on protected-use ADUs under Massachusetts law.
  • Framingham homeowners should confirm local setback, parking, and permitting requirements with the Building Department before beginning design work.
  • All ADUs require a separate entrance that meets safe egress standards under state building code.

Disclaimer: Zoning and code rules can change, and site conditions vary. We confirm your Framingham property’s requirements early in the process and guide you through a compliant, documented permit path.

Frequently Asked Questions — ADUs in Framingham, MA

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Build Your ADU in Framingham, MA

Ready to add an accessory dwelling unit to your Framingham property? Contact Regulus Construction today for a free, no-obligation consultation. We respond within 24 hours.

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Fill out the form on our contact page and one of our team members will reach out within 24 hours to discuss your project.

Also serving: Ashland, Attleboro, Bellingham, Blackstone, Dover, Easton, Foxborough, Franklin, Grafton, Holliston, Hopedale, Hopkinton, Mansfield, Marlborough, Medfield, Medway, Mendon, Milford, Millis, Millville.