Detroit Backyard Deck Plot Plan: Setbacks, Stairs, Easements, and Site Layout

Planning to build a backyard deck in Detroit? Before construction starts, your permit materials need to show more than the deck size. Reviewers need to understand where the deck will sit, how it connects to the house, how close it is to property lines, where the stairs and landing go, and whether easements, utilities, drainage, or existing structures affect the layout.

That is where a clear Detroit backyard deck plot plan becomes important.

A plot plan, sometimes called a site plan, shows the property from above. For a deck project, it should show the proposed deck location, property lines, setback distances, existing house, garage or shed, stairs, landing, access path, easements, utilities, drainage direction, and other site features that may affect permit review.

Does a Backyard Deck Need a Permit in Detroit?

Many deck projects require permit review, especially when the deck is attached to the house, elevated above grade, includes stairs, or affects structural safety. Detroit’s Building Permit Requirements page includes a specific Residential Deck document, and Detroit’s permits and plan review page reminds applicants to submit the appropriate required documents for building permits and plan review.

Detroit’s Residential Deck Requirements document lists the information that should be included with a deck submittal. This includes both site layout information and construction details, such as framing, joists, beams, posts, stairs, guardrails, and handrails.

What Is a Backyard Deck Plot Plan?

A backyard deck plot plan is a scaled drawing of your property from above. It shows the proposed deck in relation to the house, property lines, structures, and site features.

A good deck plot plan helps reviewers answer questions like:

• Where is the proposed deck located?
• How large is the deck?
• How high is the deck above grade?
• How close is the deck to property lines?
• Where are the stairs and landing?
• Does the deck affect easements or utilities?
• Are there existing structures nearby?
• How will drainage flow around the deck area?

If those details are missing, the city may ask for corrections before the permit can move forward.

What Detroit Says Deck Plans Should Include

Detroit’s Residential Deck Requirements document says deck submittals should show the size and location of all new construction and all existing structures on the site. It also says to show distances from lot lines and easements.

The same document also lists deck construction details that may be needed, including:

• Joist size and spacing
• Clear span of joists
• Column size and spacing
• Beam size and clear span
• Deck height above grade
• Stair width
• Guardrail height
• Handrail height

That means a permit package may need both a plot plan and construction drawings. The plot plan shows where the deck goes. The construction drawings show how the deck is built.

What Your Detroit Backyard Deck Plot Plan Should Show

A strong plot plan should be clear, labelled, and easy to read. It should show the existing property and the proposed deck together.

Your plot plan should usually include:

• Property lines
• Lot dimensions, if available
• Existing house
• Existing garage, shed, driveway, fence, patio, or other structures
• Proposed deck footprint
• Deck length and width
• Deck height above grade
• Setback distances to property lines
• Distance from deck to easements
• Stair and landing location
• Access path from the house or yard
• Utility easements and service lines, if known
• Drainage direction or slope, if relevant
• North arrow and scale

1. Property Lines and Lot Dimensions

Property lines are the starting point for the plot plan. They show the legal boundaries of the lot and help reviewers check the deck’s placement.

Your plan should show:

• Front property line
• Side property lines
• Rear property line
• Lot width and depth, if available
• Fence lines, if relevant

If the deck is close to a property line, the setback measurement should be shown clearly. Do not make reviewers guess from a rough drawing.

2. Existing House and Structures

Detroit’s deck requirements say to show all existing structures on the site. This helps reviewers understand the current property layout before they review the proposed deck.

Existing features may include:

• House
• Garage
• Shed
• Driveway
• Existing patio
• Existing deck to be removed
• Walkways
• Fence lines
• Large trees, if relevant

Clearly label existing features so the reviewer can quickly tell what is already there and what is being added.

3. Proposed Deck Footprint

The proposed deck should be drawn clearly and labelled as “Proposed Deck”. Show the deck’s length, width, and general shape.

Helpful labels include:

• Proposed deck
• Deck size, such as 16 feet by 14 feet
• Deck height above grade
• Connection to existing house
• Post or support locations, if helpful
• Stairs and landing, if included

If the deck wraps around a corner, has multiple levels, includes a landing, or connects to an existing patio, show that clearly.

4. Setbacks from Property Lines

Detroit’s Residential Deck Requirements say to show distances from lot lines and easements. These distances are one of the most important parts of the plot plan.

Useful setback dimensions include:

• Distance from deck to rear property line
• Distance from deck to side property lines
• Distance from deck stairs to property lines, if close
• Distance from deck landing to property lines, if close
• Distance from deck to garage, shed, or other structures
• Distance from deck to any utility easement

Setbacks are not a place for “looks about right.” Put the numbers on the plan. Tiny dimension labels now, fewer permit gremlins later.

5. Easements and Utilities

Detroit specifically asks deck submittals to show distances from easements. If your property has a utility easement, drainage easement, or access easement, show it on the plot plan.

Also show known utility features if they are near the deck, such as:

• Public utility easement
• Overhead power lines
• Electric meter
• Gas meter
• Water meter
• Sewer cleanout
• Utility poles or service lines

A deck, stair, landing, or footing placed too close to a utility area can create review or construction problems.

6. Deck Height Above Grade

Detroit’s deck requirements ask for the deck height above grade, described as the approximate height at the highest point. This matters because deck height can affect stairs, guards, handrails, structural review, and safety details.

Your plan or related construction notes should show:

• Deck height above grade
• Highest point above grade if the yard slopes
• Whether guardrails are provided
• Stair location and rise direction

If the yard slopes, show the highest side of the deck. A deck can look low from one angle and be much higher from another.

7. Stairs and Landing

Stairs and landings should not be an afterthought. They can extend beyond the main deck footprint and may be closer to property lines, easements, utilities, or other structures.

Detroit’s deck requirements ask for stair width, guardrail height, and handrail height as part of the deck submittal information. On the plot plan, you should show where the stairs and landing are located.

Your plot plan should show:

• Stair location
• Direction of travel
• Landing location
• Approximate landing size, if known
• Distance from stairs to property lines, if close
• Access path to the yard or driveway

8. Drainage Direction and Yard Conditions

A deck may not cover the ground like a full slab, but it can still affect drainage, especially if footings, stairs, landings, or paved areas are added.

Show drainage-related features where relevant, such as:

• Drainage direction
• Low spots
• Sloped yard areas
• Retaining walls
• Downspouts near the deck
• Existing drains or drainage paths

This helps reviewers understand the actual backyard conditions, especially if the deck is near a property line or easement.

Plot Plan vs Deck Construction Drawings

A plot plan shows where the deck is located on the property. It does not replace construction drawings.

Detroit’s Residential Deck Requirements list structural details such as joist size and spacing, beam size, clear spans, column size and spacing, and deck height above grade. These details are usually shown on construction drawings or deck framing plans.

Depending on the project, the permit package may need:

• Plot plan or site plan
• Deck framing plan
• Footing details
• Post and beam details
• Joist size and spacing
• Stair details
• Guardrail and handrail details
• Ledger attachment details, if attached to the house
• Material notes

Think of the plot plan as the where drawing. The deck construction drawings explain how the deck is built.

Common Reasons Detroit Deck Plot Plans Get Flagged

Many deck permit delays come from missing or unclear site information. Common issues include:

• Property lines not shown
• Deck footprint not clearly labelled
• Deck dimensions missing
• Deck height above grade not shown
• Setbacks from lot lines missing
• Distances from easements missing
• Existing structures not shown
• Stairs or landing missing
• Utilities or easements ignored
• Drainage direction not shown where relevant
• No north arrow or scale
• Plan is blurry, cropped, or hard to read

Special Detroit Deck Conditions to Watch

Detached vs Attached Decks

An attached deck may require details showing how it connects to the house. A detached deck may still need setback, footing, structural, and site layout information.

Sloped Backyards

If the yard slopes, deck height should be measured from the highest point above grade. Show the slope or drainage direction if it affects the deck layout.

Utility Easements

If a utility easement crosses the backyard, show it. Do not place footings, stairs, or landings where they could block required access.

Existing Garage or Shed

If the deck is near a garage, shed, or driveway, show those features clearly. The reviewer needs to understand spacing and access.

Historic Districts

If your property is in a Detroit historic district, exterior work may need additional review. Detroit’s permit materials include information about obtaining a construction permit in historic districts.

Simple Detroit Backyard Deck Plot Plan Checklist

Before submitting your deck permit materials, check that your plot plan includes:

• Property lines
• Lot dimensions, if available
• Existing house
• Existing garage, shed, driveway, fence, or other structures
• Proposed deck footprint
• Deck length and width
• Deck height above grade
• Setback distances to lot lines
• Distances to easements
• Stair location
• Landing location
• Access path
• Utilities, meters, or overhead lines, if known
• Drainage direction or slope, if relevant
• North arrow and scale
• Clear labels for existing and proposed features

Can You Use an Old Survey?

An old survey can be a helpful starting point if it shows property lines, easements, and existing structures. But it usually will not show the proposed deck, stairs, landing, or updated site conditions.

For permit review, the deck footprint, setbacks, easement distances, stair layout, height above grade, and labels should be added clearly.

Can You Use an Online Map Screenshot?

An online map screenshot may help you understand the property, but it is usually not enough for a permit-ready deck plot plan. Aerial images can be outdated, distorted, missing property lines, and missing dimensions.

A better plot plan should be scaled, labelled, and specific enough for reviewers to verify the deck location and site conditions.

Need a Detroit Backyard Deck Plot Plan?

If you are planning a backyard deck in Detroit, a clear plot plan can help show reviewers what they need before approval. It can show the proposed deck location, property lines, setbacks, stairs, landing, existing house, garage, utility easement, drainage direction, driveway, and site layout.

Site Plan for Permit prepares easy-to-read plot plans and site plans for residential permit applications, including decks, garages, sheds, pools, patios, fences, carports, additions, driveways, and other homeowner projects.

Whether you are building a new deck, replacing an old deck, adding stairs, or preparing documents for your contractor, a clean plot plan can reduce confusion and support a smoother permit review.

Show the layout clearly before the review starts.

Sources

• City of Detroit: Building Permit Requirements
• City of Detroit: Permits & Plan Review
• City of Detroit: Residential Deck Requirements
• City of Detroit: Residential Deck Document