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America's Best House Plans

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3,500 - 4,000 SQ. FT. HOUSE PLANS

If you’re looking at 3,500 - 4,000 sq. ft. house plans, be prepared for layouts with a “wow” factor inside and out. America’s Best House Plans interior floor plans offer large, open floor plans where the foyers are spacious, the staircases are showpieces, and the kitchens are gourmet.

Many windows, sunrooms, or screened porches are often incorporated into the home design, and the bedrooms are oversized and range from three to five or more. In addition, there are plenty of additional spaces such as bonus rooms, offices and three or more car garages.

Additionally, the homeowner who desires a walk-in pantry, high-tech media room, or oversized laundry room with plenty of counters and hanging space can be assured of our experience and commitment to these features.

Our master retreats are genuinely a respite from the stress of everyday living and include his and her walk-in closets and master baths that feature spa-like amenities. In addition, we have partnered with our designers and architects to ensure we can offer the best style and function to our large house plans.

With 3,500-4,000 sf home plans, America’s Best House Plans sells plans that have aesthetically pleasing exterior architectural design elements to maximize your home and lifestyle while offering interior spaces that are first class in innovation and style. Of course, any plans on the site can be customized or modified to make them fit your exact taste.

What do you call a 4,000-square-foot house?

Simply put, a 4,000 sq. ft. home is a large single-family house. Some sites have referred to homes this size as “mini-mansions,” but it’s not a widely accepted term across the real estate industry.

How many bedrooms can a 4,000 square-foot house have?

Most 4,000 square foot homes include three to five bedrooms depending on the size you’d like each. If you want each bedroom to be its escape, then you can choose a design with three unique, spacious bedrooms. If you need more rooms, there are a variety of designs with five or more rooms.

Is 4,000 sq. ft. a big house?

Yes, a 4,000 sq. ft. building plan is substantial by most standards. In fact, it’s almost double the average size house in the U.S. (2,200 sq. ft.).

Is 4,000 square feet a mansion?

As stated above, 4,000 sq. ft. is a substantial home, but it is not a mansion. The minimum acceptable sq. ft. for a house to be considered a mansion is 5,000.

What does it cost to build a 4,000 square-foot house?

The price tag associated with building 4,000 sq. ft. house plans ranges from $400,000 to $800,000+. The broad range in cost is due to multiple factors, including, but not limited to:

  • Labor: Specialized designs call for specialized contractors, which cost more.
  • Materials: Higher quality materials throughout the home add up quickly.
  • Style of the home: Some designs, such as Mediterranean house plans, feature ornate decorative elements that will add to the home's overall beauty but will also increase the cost.

If you’re interested in getting a more accurate cost on building a home of this size, we suggest using our Cost to Build Report.  

How many people can comfortably live in a 4,000 square foot house?

There is no definitive answer to how many people can live in a home this size, but there are designs that include anywhere from three to six bedrooms in a 4,000 sq. ft. home.

If you’re trying to decide what home plan is right for your family, let America’s Best House Plans help you figure out what plan you could be calling home.


1,442 Plans Found

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