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    16-1558 HOME PLAN

    Original price was: $2,014.56.Current price is: $1,141.59.
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    16-1402 HOME PLAN

    Original price was: $2,446.56.Current price is: $1,386.39.
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    15-1225 HOME PLAN

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    Original price was: $2,302.56.Current price is: $1,304.79.
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    14-2157 HOME PLAN

    Original price was: $2,446.56.Current price is: $1,386.39.
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    14-2091 HOME PLAN

    Original price was: $2,446.56.Current price is: $1,386.39.
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    14-1848 HOME PLAN

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    12-2667 HOME PLAN

    Original price was: $2,446.56.Current price is: $1,386.39.
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    12-2630B HOME PLAN

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    12-2172 HOME PLAN

    Original price was: $2,446.56.Current price is: $1,386.39.
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    11-1749 HOME PLAN

    Original price was: $2,446.56.Current price is: $1,386.39.
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    11-1572 HOME PLAN

    Original price was: $2,446.56.Current price is: $1,386.39.
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    11-1394 HOME PLAN

    Original price was: $2,446.56.Current price is: $1,386.39.
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    10-1861 HOME PLAN

    Original price was: $2,014.56.Current price is: $1,141.59.
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    10-1554 HOME PLAN

    Original price was: $3,598.56.Current price is: $2,039.19.

Customizable coastal house design Plans for Illinois

Build confidently with our architect-designed coastal house design options, engineered to fit Illinois properties of all sizes.

Each plan package includes CAD drawings, structural reviews, and an unlimited-build license.

They're perfect for homeowners who want comfort, flexibility, and fast permit approvals in Illinois.

Top Benefits of Our coastal house design Plans in Illinois

  • Printable & Editable Plans – CAD and PDF versions come standard with every purchase.
  • Structural Review Included – Each layout is engineered for safety and compliance in Illinois.
  • Build as Many as You Want – No additional charge for multiple builds.
  • Foundation Choice Included – Switch to crawlspace or basement foundations with no added fee.
  • Easy Customization – Adjust floor plan details quickly and affordably.

From backyard suites to long-term investments, these coastal house design plans are tailored for convenience, flexibility, and cost-efficiency in Illinois.

Choose Your coastal house design Style for Illinois

With thoughtful layouts, integrated storage, and style-specific features, each coastal house design style is built for comfort and compliance in Illinois.

Frequently Asked Questions About coastal house design in Illinois

What is a coastal house design?

A coastal house design is a secondary structure — often detached — used for guest accommodations, backyard rentals, or flexible living space. Our plans in Illinois offer customization and code-compliant layouts.

Can I adjust the plan for my Illinois property?

Yes. We offer fast and affordable customization for coastal house design plans — including layout edits, foundation changes, and more to meet Illinois's requirements.

Will it meet Illinois building codes?

All plans include structural engineering and can be adapted to meet Illinois permitting and zoning codes. Let us know your lot details and we’ll help ensure compliance.

What’s included in the purchase?

You get full CAD and PDF files, an unlimited-build license, and free foundation modifications — everything needed to start building your coastal house design in Illinois.

Our Plans Are Built, Not Theorized

Unlike most plan websites, our coastal house design options in Illinois are based on actual construction data. With CAD + PDF files, structural reviews, and field-tested layouts, every plan is practical, accurate, and up to code.

Designed for Illinois, built anywhere — our coastal house design plans meet national IRC guidelines while accommodating Illinois zoning and lot constraints.

Let’s Build Your coastal house design in Illinois

With flexible designs, structural engineering, and unlimited-use rights, we make it easy to get your Illinois project off the ground.

Browse all floor plan styles or contact us to start customizing today.