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Mansion House Plans – Browse 1000’s of Grand, Statement-Making Designs

Why Mansion House Plans Deliver the Ultimate in Space, Elegance, and Prestige

Find Your Dream house

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Plan Price
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Browse stunning mansion house plans and find your dream design! Explore luxurious floor plans
Actively Updated Catalog — January 2026 updates across 400+ homes, including refined images and unified primary architectural styles.

Found 2,904 House Plans!

  • Front exterior of a New American Traditional Colonial style home featuring lap siding, stone accents, symmetrical windows, and an arched entry

    13-1817 HOUSE PLAN – New American House Plan – 5-Bed, 4-Bath, 3,980 SF – House plan details

  • Front elevation of a Colonial Georgian style home with coastal influence, featuring wood shingle siding, symmetrical windows, central entry, and manicured lawn

    13-1591 HOUSE PLAN – Colonial Home Plan – 5-Bed, 4.5-Bath, 6,290 SF – House plan details

  • Front exterior of a New American style home with painted brick, horizontal siding, multiple gables, and a covered entry porch

    13-1367 HOUSE PLAN – New American House Plan – 5-Bed, 3-Bath, 7,492 SF – House plan details

  • Front elevation of a modern farmhouse carriage house garage apartment featuring vertical board and batten siding and symmetrical window design

    13-1358 GARAGE ADU – Modern Farmhouse Home Plan – 1-Bed, 1-Bath, 576 SF – House plan details

  • Front elevation of a small Colonial Cottage style ADU with white horizontal siding, symmetrical windows, metal gable roof, and simple entry door

    13-1318 GARDEN SHED – Colonial Cottage Home Plan – 1-Bed, 1-Bath, 420 SF – House plan details

  • Front elevation of a New American carriage house style garage with modern farmhouse siding, stone accents, and gabled roof

    13-1216 CART PLAN – New American House Plan – 0-Bed, 0-Bath, 530 SF – House plan details

  • Coastal Cottage style carriage house garage apartment with horizontal lap siding, exterior staircase, upper balcony, and compact two-story design

    13-1199 CART PLAN – Coastal Cottage House Plan – 1-Bed, 1-Bath, 224 SF – House plan details

  • Front elevation of a Traditional New American style home featuring stone veneer, horizontal siding, gabled rooflines, and symmetrical windows

    13-1035 HOUSE PLAN – Traditional New American House Plan – 4-Bed, 3-Bath, 3,200 SF – House plan details

  • Front elevation of a Traditional Colonial style home with full brick exterior, symmetrical design, tall windows, and covered entry porch

    12-2926 HOUSE PLAN – Traditional Colonial House Plan – 5-Bed, 5.5-Bath, 6,506 SF – House plan details

  • Front elevation of a Traditional Colonial style home with horizontal lap siding, classical columns, symmetrical windows, and refined Southern architectural details

    12-2835 HOUSE PLAN – Traditional Colonial House Plan – 5-Bed, 5.5-Bath, 7,000 SF – House plan details

  • Front view of a Modern Farmhouse and Southern Farmhouse style home featuring board and batten siding, horizontal lap siding, and brick foundation accents

    12-2442 HOUSE PLAN – New American House Plan – 4-Bed, 3-Bath, 3,050 SF – House plan details

  • Front elevation of a Traditional Colonial style three-car garage with horizontal siding, dormer windows, and symmetrical carriage-style design

    12-2355 GARAGE PLAN – Colonial Garage Plan – 0-Bed, 1-Bath, 1,200 SF – House plan details

  • Front elevation of a Carriage House style garage featuring shingle gable siding, horizontal lap siding, brick base, and two classic black carriage-style doors

    12-2176 HOUSE PLAN – Carriage House Plan – 0-Bed, 0-Bath, 598 SF – House plan details

  • Front view of Shingle-Style cottage carriage house garage with lap siding, shingle gable, stone base trim, and steep roofline

    12-2074B GARAGE PLAN- Cottage Carriage House Plan – 0-Bed, 0-Bath, 0 SF – House plan details

  • Front elevation of a French Provincial style luxury home featuring brick exterior, arched windows, and elegant European detailing

    11-1920 HOUSE PLAN – French Provincial House Plan – 5-Bed, 6-Bath, 7,701 SF – House plan details

What Defines a Mansion House Plan?

The term “mansion” traditionally refers to a residence exceeding 5,000 square feet, often situated on expansive properties. Our mansion house plans not only meet these criteria but go beyond by incorporating thoughtful details such as porte-cocheres, grand foyers, multi-car garages, private guest suites, and entertainment wings.

From Mediterranean villas to Georgian estates, every design prioritizes space, flow, and function while maintaining timeless beauty. And with access to editable floor plans, homeowners can tailor their dream estate to reflect their personal style.

Top Features Found in Our Mansion House Plans

  • Heated square footage starting at 5,000+ sq. ft.
  • Multiple levels, often with finished basements and attic suites
  • Grand entrances with double staircases and multi-story foyers
  • Chef-style gourmet kitchens and butler’s pantries
  • Dedicated home theaters, libraries, wine cellars, and fitness rooms
  • Indoor/outdoor entertaining areas with large decks, porches, and courtyards
  • Primary suites with spa-inspired bathrooms and expansive walk-in closets
  • Guest quarters, in-law suites, or dual owner’s retreats
  • 4–6+ car garages, including RV bays and golf cart storage

Why Choose My Home Floor Plans?

When you purchase mansion house plans from My Home Floor Plans, you receive more than just blueprints—you gain access to exclusive benefits that ensure long-term value:

  • CAD + PDF Files Included: Full editable access for engineers and builders.
  • Unlimited Build License: Use your plan multiple times without additional costs.
  • Structural Engineering Included: All designs meet modern code compliance.
  • Free Foundation Changes: Tailor your plan to slab, crawlspace, or basement foundations.
  • After-Build Photo Previews: See what your finished mansion could look like in real life.
  • Transparent Pricing: With plans starting at less than half the cost of other competitors, we offer the best value in the industry.

Customize Your Mansion to Match Your Vision

Every homeowner has a unique dream. Our customizable house plans allow you to modify any mansion design—whether you need more bedrooms, want to add an elevator, or reconfigure the garage layout. The included CAD files make working with contractors and architects seamless.

Our team also provides modification services at rates that are less than half of industry norms. You can even view all plan sheets before purchasing, ensuring full confidence in your selection.

Popular Mansion Styles and Architecture

Mansion house plans span a wide range of architectural styles. At My Home Floor Plans, we offer:

Smart Design Meets Luxurious Space

While space is abundant in mansion house plans, intelligent design is what makes these layouts truly functional. Features like zoned HVAC systems, private wings, main-floor owner’s suites, and multi-functional floor plans help balance efficiency with opulence. Whether you’re entertaining dozens or enjoying quiet family time, these homes flow beautifully.

Pair Your Mansion with Specialized Features

Mansions often pair well with luxury amenities and specialty spaces. Here are some of our most popular add-ons:

Planning for Lot Size and Footprint

Given their size, mansion house plans require ample lot space. Whether you’re building on a golf course, hillside, or private lakefront property, our advanced search tools let you filter by lot size, square footage, and number of floors. Our experts can also help adjust a plan to better suit your land.

Build with Confidence

Unlike many marketplaces, we’ve already built every plan you see. This eliminates costly surprises during construction and gives you peace of mind from day one. You can also preview every sheet before you purchase—no guessing.

Explore Related Collections

Ready to Get Started?

Building a mansion doesn’t have to mean overpaying for incomplete or outdated plans. At My Home Floor Plans, we deliver quality, affordability, and elegance in every blueprint. Explore our mansion house plans today and bring your grand vision to life.

Explore current luxury home design trends from Architectural Digest.

Contact Us for Assistance

Need help choosing the right mansion house plan? Reach out to our expert team at support@myhomefloorplans.com or use our Contact Page.


Frequently Asked Questions About Mansion House Plans

What qualifies as a mansion house plan?

Typically, any house design exceeding 5,000 square feet with multiple luxurious features—such as multiple suites, home theaters, or grand foyers—is considered a mansion plan.

Are these mansion plans customizable?

Yes, all plans include CAD files and can be modified to suit your specific needs. We also offer modification services at reduced rates.

Can I build the plan more than once?

Absolutely. Every purchase comes with an unlimited-build license—use your mansion design as many times as you’d like.

Do mansion plans come with structural engineering?

Yes. All mansion house plans include structural engineering details that comply with modern codes and are ready for permitting.

Can I view all the plan sheets before I buy?

Yes! We are one of the only providers that let you preview every sheet of your plan package before purchase.

Start designing your dream estate today—browse our full collection of mansion house plans and let your luxury lifestyle begin.