County context

Barnstable County Pre-Approved ADU Plans

Browse official city and county pre-approved ADU plan programs in Barnstable County, Massachusetts.

Source-backed county plan listings

Program Overview

This Barnstable County page summarizes source-backed county context for Barnstable County, Massachusetts. The current public dataset lists 15 city program pages in this county and 68 county-level accepted-plan records. County-level plan sources include IncPlans, IncPlans for the Cape Cod Commission catalog, and Cape Cod Commission. Provider names include Kronberg Urbanists + Architects, IncPlans, and Flintlock Ltd Co..

County records may apply only in unincorporated areas or county-administered jurisdictions, so verify the official source before relying on a plan for an incorporated city. County fee and permit data includes 10 fee records and 38 permit requirement records. Missing source fields remain Not listed in source, and directory records do not guarantee permit approval.

Summary

Location
Barnstable County, Massachusetts, USA
County-level accepted plans
68 accepted plans
Providers
3 providers
Origin programs
1 program
Plan size range
273 to 810 sq ft
Permit sources
97 sources

Included Locations

County-Level Accepted Plans

68 plans

Permit Requirements

38 requirements

All

Local program adoption

Official source

Full local preapproval requires the town to adopt the catalog program.

Last checked
Sep 8, 2026
Notes
The county/regional model catalog is not evidence that the target town has adopted it.

Site specific

Site plan and eligible location

Provider source

The program guide calls for a compliant site plan and proof that the site is in an eligible location.

Last checked
Sep 8, 2026
Notes
Eligibility and zoning allowances are determined locally.

Site specific

Project-specific approvals

Provider source

The guide directs applicants to obtain required health, zoning, historic-district, and energy approvals for the project and site.

Last checked
Sep 8, 2026
Notes
Requirements vary by property and town.

All

Catalog permit set and license

Provider source

A permit application using the program calls for a permit set from the town's current approved catalog and a signed license agreement.

Last checked
Sep 8, 2026
Notes
A catalog download alone is not a permit.

All

Local program adoption

Official source

Full local preapproval requires the town to adopt the catalog program.

Last checked
Sep 8, 2026
Notes
The county/regional model catalog is not evidence that the target town has adopted it.

Site specific

Site plan and eligible location

Provider source

The program guide calls for a compliant site plan and proof that the site is in an eligible location.

Last checked
Sep 8, 2026
Notes
Eligibility and zoning allowances are determined locally.

Site specific

Project-specific approvals

Provider source

The guide directs applicants to obtain required health, zoning, historic-district, and energy approvals for the project and site.

Last checked
Sep 8, 2026
Notes
Requirements vary by property and town.

All

Catalog permit set and license

Provider source

A permit application using the program calls for a permit set from the town's current approved catalog and a signed license agreement.

Last checked
Sep 8, 2026
Notes
A catalog download alone is not a permit.

All

Local program adoption

Official source

Full local preapproval requires the town to adopt the catalog program.

Last checked
Sep 8, 2026
Notes
The county/regional model catalog is not evidence that the target town has adopted it.

Site specific

Site plan and eligible location

Provider source

The program guide calls for a compliant site plan and proof that the site is in an eligible location.

Last checked
Sep 8, 2026
Notes
Eligibility and zoning allowances are determined locally.

Site specific

Project-specific approvals

Provider source

The guide directs applicants to obtain required health, zoning, historic-district, and energy approvals for the project and site.

Last checked
Sep 8, 2026
Notes
Requirements vary by property and town.

All

Catalog permit set and license

Provider source

A permit application using the program calls for a permit set from the town's current approved catalog and a signed license agreement.

Last checked
Sep 8, 2026
Notes
A catalog download alone is not a permit.

All

Local program adoption

Official source

Full local preapproval requires the town to adopt the catalog program.

Last checked
Sep 8, 2026
Notes
The county/regional model catalog is not evidence that the target town has adopted it.

Site specific

Site plan and eligible location

Provider source

The program guide calls for a compliant site plan and proof that the site is in an eligible location.

Last checked
Sep 8, 2026
Notes
Eligibility and zoning allowances are determined locally.

Site specific

Project-specific approvals

Provider source

The guide directs applicants to obtain required health, zoning, historic-district, and energy approvals for the project and site.

Last checked
Sep 8, 2026
Notes
Requirements vary by property and town.

All

Catalog permit set and license

Provider source

A permit application using the program calls for a permit set from the town's current approved catalog and a signed license agreement.

Last checked
Sep 8, 2026
Notes
A catalog download alone is not a permit.

All

Local program adoption

Official source

Full local preapproval requires the town to adopt the catalog program.

Last checked
Sep 8, 2026
Notes
The county/regional model catalog is not evidence that the target town has adopted it.

Site specific

Site plan and eligible location

Provider source

The program guide calls for a compliant site plan and proof that the site is in an eligible location.

Last checked
Sep 8, 2026
Notes
Eligibility and zoning allowances are determined locally.

Site specific

Project-specific approvals

Provider source

The guide directs applicants to obtain required health, zoning, historic-district, and energy approvals for the project and site.

Last checked
Sep 8, 2026
Notes
Requirements vary by property and town.

All

Catalog permit set and license

Provider source

A permit application using the program calls for a permit set from the town's current approved catalog and a signed license agreement.

Last checked
Sep 8, 2026
Notes
A catalog download alone is not a permit.

All

Local program adoption

Official source

Full local preapproval requires the town to adopt the catalog program.

Last checked
Sep 8, 2026
Notes
The county/regional model catalog is not evidence that the target town has adopted it.

Site specific

Site plan and eligible location

Provider source

The program guide calls for a compliant site plan and proof that the site is in an eligible location.

Last checked
Sep 8, 2026
Notes
Eligibility and zoning allowances are determined locally.

Site specific

Project-specific approvals

Provider source

The guide directs applicants to obtain required health, zoning, historic-district, and energy approvals for the project and site.

Last checked
Sep 8, 2026
Notes
Requirements vary by property and town.

All

Catalog permit set and license

Provider source

A permit application using the program calls for a permit set from the town's current approved catalog and a signed license agreement.

Last checked
Sep 8, 2026
Notes
A catalog download alone is not a permit.

All

Local program adoption

Official source

Full local preapproval requires the town to adopt the catalog program.

Last checked
Sep 8, 2026
Notes
The county/regional model catalog is not evidence that the target town has adopted it.

Site specific

Site plan and eligible location

Provider source

The program guide calls for a compliant site plan and proof that the site is in an eligible location.

Last checked
Sep 8, 2026
Notes
Eligibility and zoning allowances are determined locally.

Site specific

Project-specific approvals

Provider source

The guide directs applicants to obtain required health, zoning, historic-district, and energy approvals for the project and site.

Last checked
Sep 8, 2026
Notes
Requirements vary by property and town.

All

Catalog permit set and license

Provider source

A permit application using the program calls for a permit set from the town's current approved catalog and a signed license agreement.

Last checked
Sep 8, 2026
Notes
A catalog download alone is not a permit.

All

Local program adoption

Official source

Full local preapproval requires the town to adopt the catalog program.

Last checked
Sep 8, 2026
Notes
The county/regional model catalog is not evidence that the target town has adopted it.

Site specific

Site plan and eligible location

Provider source

The program guide calls for a compliant site plan and proof that the site is in an eligible location.

Last checked
Sep 8, 2026
Notes
Eligibility and zoning allowances are determined locally.

Site specific

Project-specific approvals

Provider source

The guide directs applicants to obtain required health, zoning, historic-district, and energy approvals for the project and site.

Last checked
Sep 8, 2026
Notes
Requirements vary by property and town.

All

Catalog permit set and license

Provider source

A permit application using the program calls for a permit set from the town's current approved catalog and a signed license agreement.

Last checked
Sep 8, 2026
Notes
A catalog download alone is not a permit.

All

Local program adoption

Official source

Full local preapproval requires the town to adopt the catalog program.

Last checked
Sep 8, 2026
Notes
The county/regional model catalog is not evidence that the target town has adopted it.

Site specific

Site plan and eligible location

Provider source

The program guide calls for a compliant site plan and proof that the site is in an eligible location.

Last checked
Sep 8, 2026
Notes
Eligibility and zoning allowances are determined locally.

Site specific

Project-specific approvals

Provider source

The guide directs applicants to obtain required health, zoning, historic-district, and energy approvals for the project and site.

Last checked
Sep 8, 2026
Notes
Requirements vary by property and town.

All

Catalog permit set and license

Provider source

A permit application using the program calls for a permit set from the town's current approved catalog and a signed license agreement.

Last checked
Sep 8, 2026
Notes
A catalog download alone is not a permit.

All

Local adoption for pre-approval

Official source

Full pre-approval requires separate adoption by the governing Cape Cod town.

Last checked
Sep 8, 2026
Notes
No Truro adoption was established.

Site specific

Existing permitting process

Official source

Until locally adopted, catalog plans proceed through the town's ordinary permitting process.

Last checked
Sep 8, 2026
Notes
A model plan is not a permit and does not eliminate zoning, building, fire, energy, flood, historic, utility, or site review.

Fees

10 fee records

All

IRC catalog plan access

Official source

$0 for the listed IRC catalog plans

Last checked
Sep 8, 2026
Notes
The Commission says IRC plans are free. Permit, utility, construction, and site-specific professional costs are separate and were not published as fixed amounts.

All

IRC catalog plan access

Official source

$0 for the listed IRC catalog plans

Last checked
Sep 8, 2026
Notes
The Commission says IRC plans are free. Permit, utility, construction, and site-specific professional costs are separate and were not published as fixed amounts.

All

IRC catalog plan access

Official source

$0 for the listed IRC catalog plans

Last checked
Sep 8, 2026
Notes
The Commission says IRC plans are free. Permit, utility, construction, and site-specific professional costs are separate and were not published as fixed amounts.

All

IRC catalog plan access

Official source

$0 for the listed IRC catalog plans

Last checked
Sep 8, 2026
Notes
The Commission says IRC plans are free. Permit, utility, construction, and site-specific professional costs are separate and were not published as fixed amounts.

All

IRC catalog plan access

Official source

$0 for the listed IRC catalog plans

Last checked
Sep 8, 2026
Notes
The Commission says IRC plans are free. Permit, utility, construction, and site-specific professional costs are separate and were not published as fixed amounts.

All

IRC catalog plan access

Official source

$0 for the listed IRC catalog plans

Last checked
Sep 8, 2026
Notes
The Commission says IRC plans are free. Permit, utility, construction, and site-specific professional costs are separate and were not published as fixed amounts.

All

IRC catalog plan access

Official source

$0 for the listed IRC catalog plans

Last checked
Sep 8, 2026
Notes
The Commission says IRC plans are free. Permit, utility, construction, and site-specific professional costs are separate and were not published as fixed amounts.

All

IRC catalog plan access

Official source

$0 for the listed IRC catalog plans

Last checked
Sep 8, 2026
Notes
The Commission says IRC plans are free. Permit, utility, construction, and site-specific professional costs are separate and were not published as fixed amounts.

All

IRC catalog plan access

Official source

$0 for the listed IRC catalog plans

Last checked
Sep 8, 2026
Notes
The Commission says IRC plans are free. Permit, utility, construction, and site-specific professional costs are separate and were not published as fixed amounts.

Azalea, Chickadee, Chickadee+, Coach House, and Lia model plans

Cape Cod Catalog model-plan access fee

Official source

$0

Last checked
Sep 8, 2026
Notes
The catalog's IRC plan sets are available without a plan-access charge. This does not waive town adoption, permitting, site-specific design, utility, construction, or professional fees.

Official Sources

97 sources