20-1843 HOUSE PLAN – Modern House Plan: Detailed Floor Plan, CAD Designs & Blueprint

Modern Home Plan: Coastal Style with 3 Floors, 5 Bedrooms & Tandem Garage

Discover this stunning coastal-inspired house plan with 4,725 heated sq. ft., three stories, elegant porches, and detailed CAD blueprints.

This coastal house plan offers a perfect mix of modern elegance and practical space planning. Designed for contemporary lifestyles, it combines comfort, durability, and luxury—making it ideal for families or anyone wanting an open, flowing layout.

Key Features of the Home Plan

Living Areas – Heated & Unheated

• Heated area: 4,725 sq. ft. spread across three beautiful stories.
• Unheated extras: 1,011 sq. ft. including covered porches, balcony, deck, and storage.

Bedrooms & Bathrooms

• 5 spacious bedrooms, including a luxurious Owner Suite with walk-in closet.
• 4 full bathrooms offering privacy, convenience, and elegant design.

Interior Highlights

• Open floor plan integrates kitchen, dining, and living areas. View open layouts.
• Dedicated office/study perfect for working from home.
• Bonus room provides flexible space for recreation or guests.
• Kitchen island, breakfast nook, and walk-in pantry maximize storage and prep space.
• Upstairs laundry room adds everyday convenience.

Garage & Storage Details

• Garage Bays: Tandem-style garage with space for multiple vehicles.
• Garage Type: Attached, ideal for sloped and coastal lots.
• Storage: Ample space throughout, including closets, attic potential, and under-stair storage.

Outdoor Living Features

• Covered front and rear porches perfect for outdoor lounging or entertaining.
• Spacious open deck and balcony that take advantage of elevated views.
• Durable exterior materials—brick and shingles—for lasting beauty in coastal climates.

Architectural Style: Coastal Traditional

This design blends classic coastal charm with functional living across three levels—ideal for narrow or sloped lots. Learn more about the coastal style or explore shingle-style roots on ArchDaily.

Bonus Features

• Elevated foundation using pile stem wall—engineered for coastal safety.
• Balcony with scenic views—perfect for beachside or hilltop lots.
• Flex room ideal for gym, media room, or guest suite.

Included Benefits with Every Plan

• CAD + PDF Files: Editable, printable, and builder-friendly.
• Unlimited Build License: Build once or multiple times—no additional fees.
• Free Foundation Modifications: Choose from slab, crawlspace, or basement at no extra cost.
• Engineered for Strength: Includes certified structural engineering for peace of mind.
• Low-Cost Plan Changes: Save up to 50% on modifications vs. competitors.
• Full Preview Access: See every sheet before you buy.

Similar Collections You Might Love

• Tandem Garage House Plans
• Sloping Lot House Plans
• Plans with Covered Back Porches
• Plans with Kitchen Islands
• 5 Bedroom House Plans

Frequently Asked Questions

Is this house plan suitable for coastal or beach areas? Yes! Its elevated pile stem wall foundation and durable materials are designed for coastal resilience.
Can I view the blueprints before purchase? Absolutely. Preview the full plan set here.
Are modifications available? Yes. Our team offers low-cost, fast-turnaround plan changes. Get a quote.
Does this plan come with structural engineering? Yes, all plans include stamped engineering compliant with U.S. residential code.
What’s included in my purchase? Editable CAD files, print-ready PDFs, unlimited-build rights, free foundation changes, and full support.

Start Building Your Dream Home Today

Have questions or want to personalize your plan? Contact our expert team at support@myhomefloorplans.com or fill out our form.

Your future house starts with a great plan—customize it and build with confidence!