4-Bed Modern Farmhouse Plan with Optionally Finished Bonus Room – 2578 Sq Ft

This modern farmhouse delivers the perfect balance of open, stylish living and flexible design. With ~2,578 sq ft of heated space, 3 to 4 bedrooms, 2.5 to 3.5 baths, and an optionally finished bonus room above the garage, it’s designed to grow with you. Guest suite one minute, media chill zone the next—it’s adaptable living at its finest. 1

Exterior & Entry That Whisper ‘Welcome’

Clean lines, balanced proportions, and a modern farmhouse façade that feels both timeless and fresh. Step inside through a thoughtfully framed entry that opens to wide, warm spaces.

Living Space That Breathes

The great room, kitchen, and dining blend seamlessly under vaulted spaces, offering open sightlines and a natural flow from cooking to conversation. 2

Bonus Room—Built-In Possibility

Above the garage, you’ll find a ~664 sq ft bonus space—ready to double as a guest haven, home office, or hobby loft. It also includes a full bathroom and walk-in closet—meaning function meets flair. 3

Private, Flexible Bedrooms

The master suite delivers calm with thoughtful privacy, while additional bedrooms are positioned to offer flexibility—ideal for family members or lifestyle needs that evolve over time.

Quick Specs Snapshot

Feature Details
Heated Living Area ~2,578 sq ft
Bedrooms 3 standard, plus bonus room option
Bathrooms 2.5 minimum; up to 3.5 with bonus suite
Stories 1 main level + bonus room over garage

Estimated U.S. Build Cost

With national construction averages currently between **$150–$200 per sq ft**, building this home likely ranges between **$387,000 and $516,000 USD**. In more thorough cost models, the average per-sq-ft cost lands around $162 for a modern farmhouse—so expect to invest roughly **$417,000** for construction alone. 4

Why This Design Hits the Sweet Spot

It’s a contemporary farmhouse packed with practical elegance. Smart layout, openness without emptiness, and flexible bonus space make this home ready for now—and designed for what’s next.

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