Unlock the Potential of Your Property with an Accessory Dwelling Unit (ADU)
December 19, 2025
Transform your backyard into valuable living space with a modern ADU – the smart, flexible addition that’s changing how homeowners live and invest.
Accessory Dwelling Units (ADUs) are secondary housing units built on the same lot as a primary residence. They are also known as granny flats, in-law suites, backyard cottages, or guest houses. ADUs can be attached to the main house, converted from existing space (like a garage or basement), or built as standalone structures.
Benefits of ADUs
1. Rental Income – Homeowners can rent out the ADU for extra income.
2. Multi-Generational Living – Ideal for aging parents, adult children, or extended family.
3. Property Value Boost – Well-designed ADUs can increase a home’s resale value.
4. Affordable Housing Solution – ADUs help address housing shortages in urban areas.
5. Flexible Use – Can be used as a home office, guest house, or short-term rental (Airbnb).
Types of ADUs
• Detached ADU – A separate structure in the backyard.
• Attached ADU – Connected to the main house but with a private entrance.
• Garage Conversion – Transforming a garage into a living space.
• Basement Apartment – Converting an existing basement into an ADU.
Cost & Financing
• ADU construction costs range from $250,00 - 350,000, depending on size and features.
• Financing options include home equity loans, construction loans.
Regulations & Permits
• New MA state laws allow adding an ADU by right in many single family zones.
• size limits, setbacks and parking requirements are factors we can help you determine.
Would you like help with ADU designs and prices? Call us!
MA to introduce ways to make adding an ADU even easier.
Standard pre-approved designs.
Low-cost financing.
Incentive programs.
https://www.mass.gov/news/governor-healey-launches-new-campaign-to-make-it-easier-and-cheaper-to-build-adus-across-massachusetts
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