ADU Plans for Permit Applications in USA

Site Plans Online USA prepares ADU plans and site plan drawings for homeowners, builders, and property owners planning accessory dwelling units across the United States.

Whether you are planning a backyard unit, garage conversion, guest house, detached ADU, or secondary living space, we can help prepare the drawings needed to support your permit application.

Detached garage permit site plan for residential property in Decatur, GA showing proposed 24' x 30' garage placement, driveway access, property lines, setbacks, dimensions, utilities, north compass, and lot layout.

What Is an ADU Site Plan in USA ?

n ADU, or accessory dwelling unit, is a secondary living space located on the same property as a main home. ADUs are commonly used for family housing, rental income, guest space, or flexible living arrangements.

ADU Projects We Support

ADU Site Plan Services We Provide

Detached ADU Plans

We create permit-ready site plans for detached ADUs, ensuring compliance with local setbacks, lot coverage rules, and zoning regulations for smooth permit approvals.

Garage Conversion & ADU Plans

Planning a garage conversion into a living space? Our team prepares accurate drawings to support your permit application and streamline the review process.

Guest House & Backyard Unit Plans

We support homeowners and builders with guest houses, backyard cottages, and secondary dwelling units, producing professional site plans that meet municipal requirements.

In-Law Suites & Secondary Living Spaces

From in-law suites to secondary apartments, we provide ADU site plans that clearly illustrate property lines, access points, utilities, and dimensions for permit submission.

Parking Layout Plans

We create commercial site plans showing parking areas, drive aisles, accessible parking spaces, loading areas, and circulation paths.

Parking Layout Plans

We create commercial site plans showing parking areas, drive aisles, accessible parking spaces, loading areas, and circulation paths.

ADU Feasibility Review

We review your property and proposed ADU design to determine feasibility, highlighting potential zoning or setback issues before drafting begins.

Permit Revision Support

If your city or county requests changes, we provide fast, accurate revisions to keep your ADU project on schedule.

ADU Projects We Support

  • Detached ADUs
  • Garage conversions
  • Guest houses
  • Backyard cottages
  • In-law suites
  • Secondary dwelling units
  • ADU site plans
  • ADU permit drawings
  • ADU feasibility review
  • Permit revision support

What an ADU Site Plan May Show

  • Property lines
  • Existing home
  • Proposed ADU location
  • Setbacks
  • Driveways and access
  • Utilities if required
  • Parking if required
  • Lot coverage information
  • Dimensions and notes
  • Existing and proposed structures

Why ADU Planning Matters

ADU rules can vary by city, county, and state. A clear plan helps show whether the proposed unit fits on the property and supports permit review.

Need Help Checking ADU Feasibility?

Use our ADU Feasibility Checker or contact our drafting team for project review.

Contact Information

We work with homeowners, builders, permit expediters, real estate professionals, and commercial property owners across USA

Mobile Number

+1 (385) 885-5362

Whatsapp

+1 (385) 885-5362

Email Address

drafting@siteplans.online

Address

United States

Service Hours

Open 24x7

Request Free Consultation

Fill out the form below and we’ll contact you within 24 hours to discuss your needs.

Why Choose Site Plans Online USA?

12–24 Hr Delivery

Permit-ready plans delivered same or next day — every order

99% Approval Rate

County-specific research means first-submission approvals

Service across the United States

Every county portal, format, and setback rule covered

Free Revisions

Building department requests changes? We fix it in 12 hours

From a simple residential pool permit to a PE-stamped commercial site plan anywhere in the United States — our team handles the research, drafting, and formatting to ensure your permit is approved the first time