Premium ADU Design Solutions
Custom accessory dwelling unit designs tailored to your property and needs.
Custom accessory dwelling unit designs tailored to your property and needs.
Bespoke designs tailored to your property's unique characteristics and Massachusetts zoning requirements (max 50% of principal dwelling or 900 sq.ft).
Our signature collection of ADU designs (under 900 sq.ft) that can be customized to your specifications while meeting Massachusetts zoning laws.
Complete architectural drawings and documentation for streamlined permitting in Massachusetts.
Choose from our signature ADU designs or customize them to your needs.
400-600 sq.ft | 1 Bath
Sleek, contemporary design perfect for urban settings.
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600-800 sq.ft | 1 Bed, 1 Bath
Charming traditional design with modern amenities.
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700-900 sq.ft | 1 Bed, 1 Bath
Efficient single-story design that maximizes space.
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Newton, MA | 450 sq.ft
Cambridge, MA | 800 sq.ft
Sequoia Lodges LLC is a Boston-based company specializing in the design, development, and marketing of pre-approved accessory dwelling unit (ADU) architectural plans for residential use. We offer a range of off-the-shelf modular designs that are code-compliant, permit-ready, and tailored to meet the unique zoning and construction requirements across Massachusetts.
Our goal is to help homeowners maximize the utility and value of their properties with beautifully designed, easy-to-execute ADU plans—whether for guest houses, in-law suites, income-generating rentals, or flexible living spaces. Each plan is crafted to blend aesthetic appeal with practical functionality, allowing for quick permitting, simplified construction, and long-term livability.
Inspired by the strength and longevity of the Sequoia tree, we deliver architecturally resilient and sustainable solutions that align with modern residential needs. With a deep understanding of local building codes and a commitment to streamlined project execution, Sequoia Lodges is redefining how Massachusetts builds backyard housing—one modular plan at a time.
Our Team
Sequoia Lodges is built on a foundation of engineering expertise and financial strategy. Our team combines technical knowledge of site planning, permitting, and architectural design with a strong background in business development and operations. This balance allows us to deliver ADU plans that are practical, code-compliant, and financially sound for homeowners across Massachusetts.
Brookline, MA
"Sequoia Lodges transformed our unused backyard into a beautiful guest house that now generates rental income."
Cambridge, MA
"The attention to detail and quality of construction exceeded our expectations at every step."
Newton, MA
"Our ADU provides the perfect space for aging parents to live independently while staying close to family."