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Site plan for a garage permit: what’s required and what it costs

Most cities require a site plan to permit a new garage, garage addition, or garage conversion. MySitePlan draws one for $99–$119, delivered in 24 hours, no site visit required.

Need a Site Plan for Your Garage Permit? We've Got You Covered.

Planning to build a new garage or upgrade an existing one? Most building departments require a detailed site plan before they'll even look at your permit application. That’s where we come in. At My Site Plan, we make getting a Garage Permit Site Plan fast, easy, and stress-free. Whether you're adding a detached garage, converting a carport, or building an ADU with a garage underneath, our professionally drafted site plans are designed to meet your local permit requirements.

With a 24-hour turnaround, a money-back guarantee, and thousands of 5-star reviews, we’re the go-to resource for homeowners, contractors, and architects across the country. All we need are your measurements and a few details—we’ll take care of the rest.

Let us help you move your garage project forward without the red tape headaches.

See More Case Studies

Detailed Site Plan OH Detached Garage Permit

Detailed Site Plan – OH Detached Garage Case Study

Medium Site Plan – AR Detached Garage Permit Case Study

Medium Site Plan – PA Garage Expansion Permit Case Study

Medium Site Plan – MI Garage Permit Case Study

Detailed Site Plan – Detached Garage Permit Case Study

Detailed Site Plan – IN Detached Garage Permit Case Study

Do You Need Engineered Building Plans For Your Project?

Our Friends at Engineering Express specializes in ready-to-use engineered plans for common residential and commercial projects — a great resource when your building department requires more detail.

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Loved by thousands of homeowners, contractors, and property managers.

We’ll just let our customers do the talking for us.

Residential Site Plans

Basic Plot Plan

This plan includes:

Property Lines
Primary Structure Roofline
Lot Dimensions
North Arrow
Scale

$99

Select Plan

Medium Site Plan | Home Site Plans

This plan includes ALL Basic Site Plan features PLUS:

Measurements Between Features
Trees
Driveway
Accessory Structures Roofline
Swimming Pool

$119

Select Plan

Detailed Site Plan | Residential Properties

This plan includes ALL Medium Site Plan features PLUS:

Paths
Shrubs
Lawn
Landscaping
Septic / Utilities (provided by customer)

$159

Select Plan

Commercial Site Plans

Detailed Site Plans for Commercial Properties

This plan includes:

Property Lines
Primary Structure Roofline
Lot Dimensions
North Arrow
Scale
Measurements Between Features
Trees
Driveway
Accessory Structures Roofline
Paths
Shrubs
Visible Parking Lights
Ingress / Egress
Dumpster Area
Parking Spaces

$179

Select Plan

Sale

The Works Commercial Site Plan

This plan includes ALL Commercial: Detailed Site Plan package PLUS:

Additional Structure (Non-existing)
Legal Setbacks
Custom Size
DWG File
Topography
Impervious Surface Calculation
Vicinity Map

$279 $329

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FAQs

Do I need a site plan for a garage permit?

Yes — most cities require a site plan when permitting a new garage, garage addition,
or conversion. It shows the garage placement, setbacks from property lines and existing
structures, and the driveway connection so the building department can verify zoning
compliance.

What does a garage permit site plan need to include?

A garage site plan must show the garage footprint and dimensions, setbacks from all property lines, distance from the primary structure, driveway layout, and any easements. For conversions, it should also show the existing garage and the proposed changes.

How much does a garage permit site plan cost?

Garage permit site plans from MySitePlan start at $99 (Basic) or $119 (Medium — most popular). Flat-rate pricing, no hidden fees, unlimited revisions included.

Does MySitePlan cover garage-to-ADU conversions?

Yes. We handle site plans for garage conversions to ADUs, home offices, and other uses. Specify the conversion type when ordering. Most jurisdictions require the Detailed plan ($159) for ADU conversions.