# Create a Site Plan for Parking Layout Permits

Design parking spaces, overlay proposed changes, and export a permit-ready PDF. Our easy-to-use parking tool helps you create professional layouts with accurate dimensions in minutes.

## Design parking spaces, overlay proposed changes, and export a permit-ready PDF

Need a parking layout for a permit? Our easy-to-use parking tool helps you create professional layouts with accurate dimensions in minutes.

## How to Create a Parking Layout Site Plan

- Enter your address Start by entering the property address. We automatically load satellite imagery and property boundaries from county records.
- Use the parking tool Select the parking tool to place standard-sized parking spaces. Choose from regular, compact, or accessible space templates.
- Overlay proposed parking Draw your proposed parking layout on top of existing conditions, showing additions and modifications clearly.
- Add dimensions and labels Label space dimensions, drive aisle widths, accessible spaces, and setbacks from property lines.
- Export your permit-ready PDF Generate a professional PDF with title block, north arrow, scale bar, and parking count ready for permit submission.

## Frequently Asked Questions

**What is a parking layout site plan?**

A parking layout site plan is a scaled, bird's-eye view drawing of your property that shows the arrangement of parking spaces, drive aisles, accessible parking locations, and traffic flow patterns.

**When do I need a parking layout for a permit?**

You typically need a parking layout site plan when adding or modifying parking spaces on commercial or residential properties, expanding a driveway, converting part of your property to parking, or developing multi-family residential projects.

**How do I overlay proposed parking on an existing lot?**

With Site Plan Creator, you can easily overlay proposed parking on existing conditions. Start by entering your address to load current aerial imagery and property boundaries, then use our parking tool to draw your proposed parking spaces on top of the existing layout.

**What are standard parking space dimensions?**

Standard parking space dimensions vary by jurisdiction, but common sizes include: regular spaces at 9 feet wide by 18 feet long, compact spaces at 8 feet by 16 feet, and accessible (ADA) spaces at 8 feet wide with a 5-foot access aisle.

**How do I show accessible (ADA) parking spaces?**

ADA-compliant parking spaces should be clearly marked on your site plan with the proper dimensions, the international symbol of accessibility, and their location relative to building entrances.

**Can I use this for commercial parking lot permits?**

Yes! Site Plan Creator is ideal for commercial parking lot permits including retail centers, office buildings, restaurants, churches, schools, and event venues.

**What information should be included in a parking layout?**

A complete parking layout should include property boundaries with dimensions, total number of parking spaces by type, individual space dimensions, drive aisle widths, accessible parking spaces with access aisles, fire lane locations, setbacks from property lines, and a scale indicator.

**How long does it take to create a parking layout?**

With Site Plan Creator, most users complete their parking layout in 20-45 minutes depending on complexity.

A parking lot site plan is a scaled drawing that documents the precise layout of vehicle spaces, drive aisles, pedestrian pathways, and drainage infrastructure on a property. These plans are required by most municipalities before issuing a commercial development permit, a change-of-use permit, or approval for any significant parking lot expansion or resurfacing project. Property owners, commercial developers, and [contractors](https://www.siteplancreator.com/contractors) all encounter [parking layout](https://www.siteplancreator.com/parking-layout-site-plans) requirements at some point — and the stakes are high, because an undersized or non-compliant lot can trigger costly redesigns after construction begins. If you're new to the process, reviewing [what a site plan is and what it must include](https://www.siteplancreator.com/what-is-a-site-plan) is a useful starting point before diving into parking-specific requirements.

## What Parking Lot Site Plans Must Include

Most jurisdictions base their parking standards on the [International Building Code](https://www.iccsafe.org/products-and-events/i-codes/ibc/) and local zoning ordinances, which typically specify minimum space counts based on building use and square footage. A compliant parking layout plan generally needs to show:

- **Standard stall dimensions** — typically 8.5 to 9 feet wide by 18 to 20 feet deep, depending on the jurisdiction
- **ADA-accessible spaces** — required at a ratio defined by the total lot size; van-accessible spaces must be at least 11 feet wide with an 8-foot access aisle, per [2010 ADA Standards for Accessible Design](https://www.ada.gov/law-and-regs/design-standards/2010-stds/)
- **Drive aisle widths** — typically 24 feet for two-way traffic, or 20 feet for one-way; angled configurations (45° or 60°) may allow narrower aisles
- **Stormwater features** — catch basins, bioswales, or detention areas required to manage runoff from impervious surfaces
- **Curb cuts, wheel stops, and striping patterns** — often required on the plan itself, not just in field notes

Stormwater compliance is increasingly scrutinized. The EPA's [NPDES Stormwater Program](https://www.epa.gov/npdes/npdes-stormwater-program) requires many commercial sites to obtain a permit and submit a Stormwater Pollution Prevention Plan (SWPPP) alongside the site plan.

## Common Mistakes and Pro Tips for Parking Layout Plans

One of the most frequent errors is placing ADA spaces at the closest physical distance to the entrance without verifying that the access aisle connects to an accessible route — a ramp, level walkway, or marked crosswalk. ADA compliance is about the full path of travel, not just the stall itself. Another common mistake is designing for a single traffic flow direction without accounting for delivery vehicles or emergency access, which often require a minimum 20-foot unobstructed turning radius.

- Dimension every stall, aisle, and setback — reviewers will reject plans that rely on implied symmetry
- Show the slope of paved surfaces (typically 1–5% for drainage) with spot elevations or flow arrows
- Indicate the total space count and ADA space count in a summary table on the plan sheet
- Account for landscape islands if your jurisdiction mandates interior landscaping ratios

Parking lots are often part of larger commercial development projects — if your site also includes a new structure, review the guidance on [construction permit site plans](https://www.siteplancreator.com/construction-permit-site-plans) to understand how the two submittals relate. For projects that also involve grading or impervious surface changes, many reviewers expect stormwater calculations to accompany the plan, consistent with guidance from the [EPA's green infrastructure standards](https://www.epa.gov/green-infrastructure/what-green-infrastructure).