Free download · Serving RI & MA

The Bluestone ADU Blueprint

The Complete 2026–2027 Guide for Rhode Island & Massachusetts Homeowners

Everything a homeowner needs before spending money on plans — written by a design-build team that permits and builds in these towns every week.

  • Rhode Island & Massachusetts ADU rules explained plainly
  • What your property can realistically support
  • Real cost drivers and how pricing is built
  • All eight Bluestone ADU models and their floor plans

RI License GC-40846 · MA License CS-121543

Detached accessory dwelling unit in a New England backyard
Bluestone HomesFull Design & Build
Rhode Island & Massachusetts

The Bluestone ADU Blueprint

The Complete 2026–2027 Guide for Rhode Island & Massachusetts Homeowners

What's inside

A complete planning resource, not a sales brochure

40 pages written for homeowners who are still deciding whether an ADU makes sense on their property.

01

Rhode Island & Massachusetts ADU rules

What the statewide laws allow, and where local requirements still apply.

02

Property feasibility

The eight site conditions that decide most projects before design begins.

03

Planning & design

How to shape a layout around how you'll actually use the space.

04

Permitting

What the approval path looks like and where timelines usually move.

05

Costs & budgeting

What drives ADU cost, and how a range becomes line-by-line pricing.

06

ADU sizes and layouts

From compact studios to full two-bedroom units up to 1,200 SF.

07

Bluestone ADU models

All eight featured Bluestone ADU model concepts.

08

Floor plans

The complete floor plan for every featured Bluestone model.

09

Construction process

Start to finish, with one team responsible throughout.

10

Typical timeline

Realistic phase-by-phase durations for an RI or MA project.

11

Common mistakes and considerations

The avoidable decisions that cost homeowners the most.

Included free

The guide includes every one of Bluestone's featured ADU models — all eight concepts from roughly 400 to 1,200 square feet — together with their complete floor plans, sizes, bed/bath counts and preliminary planning ranges.

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Pages 540 + all ADU models & floor plans

Get the complete Bluestone ADU Blueprint, including costs, permitting, timelines, planning guidance, every featured ADU model, and the full floor plans.

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Serving RI & MA

2026–2027 Edition

The Bluestone ADU Blueprint

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