Site Plans LLC d/b/a Make A Site PlanPermit drawings for all 50 states
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Accessory Building Plans

Workshops, home offices, art studios, pool houses and storage buildings. We draw what your zoning and building code require for detached structures.

  • Accessory building setbacks and height checked
  • Floor plan, elevations and structure
  • Electrical and plumbing as needed

Get an accessory building quote

Send the address and what you are building. We reply with the scope, price and timeline.

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Enter the property address.

Select a project type.

Tell us briefly about the project.

Survey, sketches, photos, old plans or city comments. PDF, JPG, PNG, DWG or DXF. Up to 5 files, 15 MB each.

Up to 5 files, 15 MB each.

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What we can prepare

  • Site plan with setbacks and separation
  • Floor plan
  • Elevations with height
  • Foundation and framing
  • Electrical plan
  • Plumbing for a half bath or sink
  • Insulation and HVAC if conditioned
  • Use notes for zoning
Drafter measuring and drawing construction plans with a ruler

Typical permit set

The sheets below are typical. We include only what your project and jurisdiction require.

  • Site planSetbacks and separation
  • Floor planLayout
  • ElevationsHeight
  • Foundation and framingStructure
  • MEPAs needed

What we need from you

  • Survey or plat
  • Size and height
  • How it will be used
  • Utilities needed
  • Photos of the location

How it works

  1. Send project information

    Share the address, what you want to build and any survey, photos or old plans you have.

  2. We review the requirements

    We check the jurisdiction, zoning setbacks and what the permit office asks for on this project type.

  3. Scope and price confirmed

    You get a written scope, price and timeline before any drafting starts.

  4. Drawings prepared

    Our drafters prepare the sheets to scale, with the notes and details your reviewer expects.

  5. You review the set

    You check the drawings and request changes. We revise before anything is submitted.

  6. Professional review if needed

    Where a seal is required, licensed professional review and signature are coordinated, subject to their acceptance.

  7. Permit comments handled

    If the reviewer sends comments, we address them within the agreed scope.

Common permit issues

Used as a dwelling

Sleeping and cooking may make it an ADU. We flag it.

Height cap

Accessory buildings often have lower height limits. We check.

Separation from house

Distance to the house can trigger fire rules. We confirm.

Plumbing limits

Some zones limit bathrooms in accessory buildings. We check.

Coverage

Adds to lot coverage. We calculate it.

Energy code

Conditioned space needs insulation. We add it.

Related services

Shed plansADU plansGarage plans

Frequently asked questions

What is the difference between an accessory building and an ADU?

An ADU is a separate dwelling with its own kitchen and bathroom. An accessory building is a non-dwelling structure like a studio or workshop.

Can I add a bathroom?

Often yes, though some zones restrict it. We check before drafting.

Can I sleep in it?

If it is used as a bedroom it must meet code for sleeping rooms, and zoning may treat it as a dwelling.

Planning an accessory building?

Send the size, use and location. We confirm scope and price.

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