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ADU Resources

Click on the links below to find additional information and resources to help you navigate the process for creating an ADU.

ADUs 101


Additional resources that help explain ADUs.

ADU Lenders

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These local banks offer loan products for homeowners who want to build ADU’s. The loan restrictions and conditions vary considerably among lending institutions.

Site Engineers

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These local engineering firms offer a variety of residential site surveying and engineering support to your ADU project

Excavation & Septic/Sewer

Septic Tanks System Installing

These local firms offer a variety of residential excavation and septic services to support your ADU project


Contractors & Design Build Firms
Custom Stick Builds

These local general contractors are familiar with building ADUs and open to taking your calls concerning new ADU projects.

ADU Bylaws & Related Documents
by Town


This town regulation matrix provides high level information and does not reflect the many nuances, special circumstances, and other exceptions which may be contained within a town's zoning by-laws.

Budget Template


Find budget template for Up-front costs (Site survey, Septic Plan, Drawings & Permits) and Building Costs

ADU Architects

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These local architects can support Lower Cape homeowners by providing design ideas and plans at a reasonable cost.

Eco-Sanitation Technology

Bathroom Toilet

Resources and Consultants regarding Composting &

Urine-Diverting toilets, Pee-Cycling and other eco-alternatives to traditional Septic and Sewer.

Express Builders: 
Panels, Modular & Custom Pre-Fab. Builds

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These companies specialize in building ADUs, where portions of the structure, such as the walls, or the entire building shell, and sometimes the interiors are built off-site and delivered to the Cape.

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