Architectural Plans for Your Boston ADU
Designing Smart Living Within the 900 Sq Ft ADU Limit
Once your Boston ADU feasibility study confirms your project can move forward, the next step is developing architectural plans that maximize every square foot of your new living space.
Under Boston’s Accessory Dwelling Unit (ADU) regulations, ADUs are typically limited to 900 square feet of living space. In many homes—especially basement ADUs in Boston—the available space can be even smaller due to existing layouts, mechanical systems, structural walls, and ceiling height limitations.
That means every inch matters.
A poorly planned layout can make a 900 sq ft ADU feel cramped.
A well-designed layout can make a much smaller ADU feel open, functional, and comfortable.
Our In-House Architect Designs for Maximum Living Space
To ensure your project moves smoothly from feasibility to construction, we provide an in-house architect who works directly with you to design your ADU.
The goal is simple:
Make every square foot work harder.
Our design approach focuses on:
- Efficient room layouts that maintain comfortable elbow space
- Built-in storage solutions to reduce clutter
- Closets and hidden storage integrated into wall systems
- Ceiling-height storage areas where possible
- Shelving systems built directly into walls
- Multi-functional and convertible furniture options
- Smart kitchen and bathroom layouts designed for compact living
This approach allows smaller spaces to function like much larger apartments.
Smart Storage Makes Small ADUs Feel Bigger
In many Boston basement ADU projects, storage is the difference between a space that feels tight and one that feels comfortable.
That’s why we prioritize:
- Deep closets built into structural walls
- Built-in shelving systems
- Storage benches and seating
- Hidden storage under stairs
- Wall-integrated cabinets
- Ceiling storage where appropriate
These solutions allow us to maintain open living areas while still giving residents the storage they need.
Designing ADUs That Work for Real Life
A well-designed Boston accessory dwelling unit must balance three things:
- Comfortable living space
- Efficient storage
- Code compliance with Boston ADU regulations
Our architect designs with all three in mind while ensuring the plans meet Massachusetts building code (780 CMR) and Boston ADU requirements.
The result is a living space that feels larger, more functional, and easier to live in, even when working within the 900 sq ft ADU limit.
From Feasibility to Architectural Design
By the time your project reaches the architectural phase, we already understand:
- Your property layout
- Boston zoning requirements
- ADU size limits
- Building code requirements
That allows our architect to create plans that are efficient, code-compliant, and ready for the next phase of permitting and construction.