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Luxury Two-Story House Plan with Grand Room, Guest Suite & 3-Car Garage | 4628 Sq Ft
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R7485-A

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Plan Number:

R7485-A

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Floor Plan
r7485-a contemporary house first floor plan, 4 bed, 4.5 bath | plan lg185
r7485-a contemporary house second floor plan, 4 bed, 4.5 bath | plan lg185

Luxury Two-Story House Plan with Grand Room, Guest Suite & 3-Car Garage | 4628 Sq Ft

Designed to make a bold yet refined architectural statement, this expansive two-story home delivers a masterful blend of scale, comfort, and everyday livability. With 4,628 square feet of heated living space, four bedrooms, four and a half baths, and a side-load three-car garage, the plan is ideal for homeowners seeking generous proportions, thoughtful separation of spaces, and an elegant flow tailored for both daily life and large-scale entertaining.

From the exterior, the home presents a balanced and sophisticated profile defined by an 8:12 roof pitch, deep covered porches, and carefully composed massing. The covered front porch sets a welcoming tone, while the rear porch extends the living experience outdoors—perfect for relaxing evenings, seasonal gatherings, or quiet mornings overlooking the landscape. The side-load garage preserves the architectural integrity of the façade, enhancing curb appeal and making this design especially well-suited for estate lots or corner properties.

Upon entry, the interior immediately impresses with a sense of volume and light. A two-story grand room anchors the home, creating a dramatic central gathering space defined by soaring ceilings, expansive windows, and a fireplace that provides warmth and visual focus. This stunning room is both impressive and inviting, designed to host everything from intimate family moments to lively celebrations.

The open-concept layout flows seamlessly into the kitchen and keeping room, forming a cohesive heart of the home. The kitchen is thoughtfully designed for both functionality and hospitality, featuring a large center island, walk-in pantry, and clear sightlines to surrounding living spaces. Whether preparing everyday meals or hosting extended family, the kitchen supports effortless movement and connection. Adjacent to the kitchen, the keeping room offers a relaxed, comfortable environment for casual gatherings, while the formal dining room provides a more refined setting for holidays and special occasions.

The first-floor primary suite is a private retreat, strategically separated from secondary bedrooms for maximum tranquility. This generously sized suite includes a dedicated sitting area and a spa-inspired bath with dual vanities, his-and-hers walk-in closets, and serene proportions that encourage rest and relaxation. Every detail is designed to elevate daily routines into moments of comfort.

Also on the main level is a private guest suite, ideal for visitors or multigenerational living, offering convenience without compromising privacy. A dedicated home office or study provides a quiet, focused workspace, while the utility room—with direct garage access—adds everyday practicality. Ample storage throughout ensures the home remains organized and uncluttered.

Upstairs, the home continues to impress with flexible spaces that adapt to evolving needs. A loft and game room offer versatile areas for recreation, media, or hobbies, overlooking the grand room below and reinforcing the home’s open, connected feel. Additional bedrooms and baths are thoughtfully arranged to provide comfort, privacy, and functionality for family members or guests.

Altogether, this home is designed for those who value space, craftsmanship, and a lifestyle that balances grandeur with livability. With expansive porches, a dramatic interior centerpiece, and a floor plan that supports entertaining, work-from-home living, and restful retreats, this design offers timeless appeal and modern comfort—perfect for homeowners ready to invest in a residence that truly lives as beautifully as it looks.

What's Included in the House Plan:
  • Foundation Plan: Layout showing foundation details and dimensions.
  • Detailed Floorplans: Complete floor layouts with dimensions and notes.
  • Roof Plan: Design showing roof structure, slopes, and unique conditions.
  • Four Elevations: Detailed exterior views of all sides with material and dimension notes.
  • Electrical Schematic: Basic layout indicating fixture, switch, and outlet placements.
  • Cross Section(s): Vertical cut-throughs showing internal structure and heights.
  • Rafter Plan and Ceiling Joist Plans: Includes details for rafters, beams, and joists (sizing to be done locally by an engineer or framer).
What's Not Included:
  • Architectural or Engineering Stamp: Handled locally if required.
  • Site Plan: Created locally when needed.
  • Mechanical Drawings: Heating, air equipment, and ductwork to be designed by subcontractors.
  • Plumbing Drawings: Pipe sizes and locations to be determined by subcontractors.
  • Energy Calculations: Handled locally if required.

House Plan Specifications

  • Total Living (heated area):  4628 sq ft
    All Unheated Under-Roof Areas  1367 sq ft
    Total Structure  5995 sq ft
    1st Floor:  3357 sq ft
    2nd Floor:  1271 sq ft
    Total Porch:  533 sq ft
  • Garage:  834 sq ft
    Garage Bays:   3
    Garage Load:   Side
  • Bedrooms:   4
    Bathrooms:   4
    Half Bathrooms:   1
  • Foundation:   Slab
    Wall Framing:   2x4
    Roof Framing:   Stick & Truss
    Roof Pitch:  8:12
  • Width of House:  89'
    Depth of House:  80'6' '
    Building Height:  34'5''
  • First Floor Ceiling Height:  10'
    Second Floor Ceiling Height:  9'

Key Features

  • Breakfast Area
  • Covered Back Porch
  • Covered Front Porch
  • Fireplace
  • First Floor Laundry
  • First Floor Master Suite
  • Formal Dining Room
  • Game Room
  • Great Room
  • Guest Suite
  • His & Hers Closets
  • Home Office/Study
  • Kitchen Island
  • Laundry 1st Floor
  • Laundry Access from Garage
  • Loft
  • Master Bath-Double Vanity Sink
  • Master Sitting Area
  • Open Floor Plan
  • Powder Room
  • Private Master Bath
  • Split Bedroom
  • Stair Hall
  • Storage Space
  • Utility Room
  • Walk In Closets
  • Walk-in Closet
  • Walk-in Pantry
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Plan Number: R7485-A
Luxury Two-Story House Plan with Grand Room, Guest Suite & 3-Car Garage | 4628 Sq Ft
4 Bedrooms
4 Full Baths
1 Half Baths
4628 SQ FT
2 Stories
Product print image
R7485-A Contemporary House First Floor Plan, 4 Bed, 4.5 Bath | Plan LG185
R7485-A Contemporary House Second Floor Plan, 4 Bed, 4.5 Bath | Plan LG185
House Plan Formats Explained

PDF (Single Build)

A complete set of working drawings delivered in digital PDF format. This option comes with a license to build ONE home and includes a copyright release for printing unlimited sets of plans and making modifications.

CAD + PDF (Single Build)

A complete set of working drawings delivered in digital DWG and PDF formats. AutoCAD files are used by design professionals to make significant modifications or engineering calculations to the plan. This option comes with a license to build ONE home and includes a copyright release for printing unlimited sets of plans and making modifications.

5 or 8 Prints (Single Build)

Five or eight printed sets of working drawings shipped to you. This option comes with a license to build ONE home.

5 Prints + PDF (Single Build)

Five printed sets of working drawings shipped to you, plus a digital version in PDF format. This option comes with a license to build ONE home and includes a copyright release for printing unlimited sets of plans and making modifications.

PDF (Multi Build)

A complete set of working drawings delivered in digital PDF format. This option comes with a license to build an UNLIMITED number of homes and includes a copyright release for printing unlimited sets of plans and making modifications. This option may not be available for all house plans, or may require a specific format to be purchased. Please call 770-831-6363 for more information.

CAD + PDF (Multi Build)

A complete set of working drawings delivered in digital DWG and PDF formats. AutoCAD files are used by design professionals to make significant modifications or engineering calculations to the plan. This option comes with a license to build an UNLIMITED number of homes and includes a copyright release for printing unlimited sets of plans and making modifications. This option may not be available for all house plans, or may require a specific format to be purchased. Please call 770-831-6363 for more information.

Choose a building foundation for your home. The foundation provides stability to a home's structure from the ground up.

Slab - This concrete foundation is reinforced with steel rods and suitable for flat ground.

Crawl Space - This foundation is raised off the ground with low walls resting on footings, providing space for wiring, plumbing, and storage.

Basement - This foundation is entirely or partially below ground and offers storage or living areas.

Walkout Basement - This foundation is typically suited for rear-sloping lots and provides storage or living areas. Walkout basements have doors that provide access to the outside.

Readable Reverse
An option to reverse the plan including texts and dimensions to make them readable.
2x4 or 2x6 Conversion
Convert the exterior framing other than the standard framing included in the plan.
Multi Build Licence (CAD required) Gives the buyer the legal right to build the house plan multiple times
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JoAnne and the entire staff was extremely helpful and patient with us while we decided between 2 homes. This home has outstanding curb appeal and a great layout perfect for us. I work from home so having the home office off the foyer is fantastic. I converted the wet bar into a storage closet for my office. We also extended the laundry room into the porch and created a multipurpose laundry/mud room. I would buy from archival designs again and again.
Rita Long
Milwaukee, WI
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It took almost a year to pick a plan. Since my husband and I retired a few years ago we wanted this last house had to have everything we wanted and needed. The kitchen is my favorite part of the house. I can see what’s happening in my neighborhood through my kitchen window and watch my husband garden in the back yard. Our children think we made a smart decision when we picked this house for our senior years.
Elaine SmithsonPierre
South Dakotaomer
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We’ve had an amazing experience with our new home and are excited to be moved in. The customer service we received during our modifications was exceptional. We are loving the open layout of the kitchen and family room. It feels spacious and I’m already planning on hosting holiday dinners at home. We recommend Archival Designs to anyone interested in building the home they’ve always wanted!
Sandra Hawkins
Montgomery, AL
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We absolutely adore the Kildare Place house plan. Made some modifications to make this home ours! Our house is the talk of the neighborhood. We host big parties every holiday and still get compliments from our friends and family. We searched for months and looked through hundreds of floor plans and this one had almost everything we wanted, and with the help of the great staff at Archival Designs we got exactly what we wanted!
Nick Lazzari
Bakersfeild, CA
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FAQ
What is included in the construction drawings?

The construction drawings will include detailed, dimensioned floor plans, exterior elevations, roof plan, foundation plan, basic electrical layout, cross-section(s), foundation plan, and other general specifications. Some plans will include interior cabinet layouts.

 

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Why choose Archival Designs?

Archival Designs brings you over 40 years of experience in the house plan design business.  We offer the best value for your money by offering the highest quality home designs.

We offer a 10% military & first responder discount, as well as builder discounts for life!  Archival Designs guarantees the lowest prices anywhere online. Learn more about our Best Price Guarantee.

All house plans sold by Archival Designs have been designed to comply with the International Residential Code (IRC) and to the local codes in the area where the designer resides or where the house was built.

 

Do your plans meet building codes in my area?

All house plans are designed to meet or exceed the national building standards required by the International Residential Code (IRC). Due to differences in climate and geography throughout North America, every city, local municipality and county has unique building codes and regulations that must be followed to obtain a building permit. Prior to purchasing a set of house plans, we recommend that you meet with your local building officials in order to determine the building requirements for your area.  It is the responsibility of the purchaser(s) and/or builder to ensure that the structure is constructed to meet the codes of their local area.  

Important Note:

  • Customers building in CA, OR, SC, WA, and NV: Our house plans do not meet Earthquake Seismic/Wind code requirements.
  • Customers building in GA, SC, FL, and NC Coastal Areas: Plans may have to be engineered to meet local Hurricane/Wind codes.
  • Customers building in AL, AZ, CO, CT, DE, FL, ID, LA, KY, MD, MA, MN, MI, NV, NH, NJ, NY, OH, PA, UT, WY, and VA: Plans may have to be engineered by a local licensed professional to meet local building codes. Please call your local building department before placing order.
  • Customers building in NV: NV law permits an owner or builder to build a house from their own plans. Contact your local building department to verify if our stock house plans will be accepted before placing order. 

 

Will the plans be stamped or signed by an architect or engineer?

House plans do not come stamped or signed by an architect or engineer.  Additionally, house plans typically will not include structural engineering notes/calculations. Please check with your local building officials to determine if a stamp is required. If required, the building department will only accept a stamp from a licensed professional in the state where the home will be built.

Depending on your city, county, and state building requirements, house plans may need to be reviewed by a local licensed architect or engineer for structural details and code standards before construction begins. This is particularly true in coastal areas and those facing seismic events, extreme winds, and heavy snow. If you are building in any of these areas, a licensed structural engineer will likely be needed to provide the necessary calculations and additional drawings. We authorize the use of our plans conditioned on your obligation and agreement to strictly comply with all local building codes, ordinances, regulations, and requirements, including permits and inspections at the time of and during construction. We recommend checking with your local building department for the most current requirements.  The purchaser(s) and/or builder are responsible for additional expenses incurred through meeting municipality requirements or other requirements for construction.

 

Will the foundation included in the construction drawings work for my site?

Our foundation plans have been designed for universal conditions and may need to be adjusted to fit your specific site conditions. The foundation should be modified by a local structural engineer to comply with soil testing laboratory findings and local building requirements.

   

Do your plans include electrical, plumbing and mechanical drawings?

Our house plans will include schematic electrical drawings; however, circuiting or wire sizing will not be included.  Your electrical subcontractor will typically provide these drawings. 

HVAC and plumbing drawings are not included. Your mechanical and plumbing subcontractors will determine the best layout for your site.  Local HVAC codes, climatic requirements and commonly used systems vary throughout the country.  The direction of how water flow will enter the home vary from case to case. For this reason, it is impossible to provide universal plans. 

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