Duplex & Multi-Family Plans for Sale, Custom Drawn for Your Lot
A good investment plan is more than a house split in two. Unit layout, parking, sound control and utility metering all affect your returns.
We draw side-by-side and stacked duplexes, triplexes, fourplexes and townhome rows, with mirrored units that keep construction costs down.
From $1,050 · free customization · delivery in as little as 24 hours
Why order duplex and multi-family plans from HousePlans USA
Investor-minded
Layouts that rent faster and cost less to maintain.
Mirror and repeat
Mirrored units cut framing and plumbing costs; unlimited-build rights let you reuse the plan.
Lender-ready
A complete plan set helps appraisers and construction lenders move faster.
What's included
- Side-by-side, stacked or front-and-back layouts
- Sound-rated party walls and floors
- Separate meters, panels, HVAC and water heaters
- Private entries, patios and parking per unit
- Fire separations for three or more units
Prices by size
| Up to 1,000 sq ft | $1,050 |
| 1,001 – 1,500 sq ft | $1,295 |
| 1,501 – 2,000 sq ft | $1,495 |
| 2,001 – 2,500 sq ft | $1,695 |
| 2,501 – 3,000 sq ft | $1,895 |
| 3,001 – 3,500 sq ft | $2,195 |
See every add-on on our pricing page.
Where we draw duplex and multi-family plans
Duplex & Multi-Family Plans in Texas
Duplex & Multi-Family Plans in Florida
- Buy Duplex Floor Plans Florida
- Miami FL Multi Family Townhouse Blueprints
- Orlando Florida Investment Property House Plans
- Tampa FL Duplex Blueprints for Sale
- Purchase Duplex Multi Family Plans Orlando
- Purchase Duplex Investment Plans St Petersburg FL
- Purchase Duplex Townhouse Plans Jacksonville Beach
- Purchase Duplex Multi Family Plans Ocala
Duplex & Multi-Family Plans in Ohio
Duplex & Multi-Family Plans in Georgia
Duplex & Multi-Family Plans in North Carolina
- Buy Investment Property Plans North Carolina
- Charlotte NC Duplex Floor Plans Buy
- Raleigh North Carolina Triplex Blueprints for Sale
- Greensboro NC Multi Family House Plans
- Purchase Duplex Investment Plans Raleigh NC
- Purchase Duplex Multi Family Plans Charlotte
- Purchase Duplex Investment Plans Wilmington NC
Duplex & Multi-Family Plans in Tennessee
Duplex & Multi-Family Plans in Colorado
How ordering works
- 1
Get inspired
Pick the exterior styles and interior looks you love, or paste links to plans you've seen online.
- 2
Design & instruct
Choose rooms, size, basement, garage and your state, and tell our designers exactly what you want.
- 3
Compare 2+ concepts
Two or more designers each sketch a concept. Pick your favorite designer to draw the full plans.
- 4
Download & revise
Plans arrive by email and in your dashboard by your deadline. Revisions are free for 30 days.
Duplex & Multi-Family Plans guides by state
- Texas House PlansDuplex House Plans in Texas
- Florida House PlansDuplex Floor Plans in Florida
- House Plans by StateBarndominium Plans in Ohio and the Midwest
- House Plans by StateHouse Plans in Georgia, South Carolina and New York
- North Carolina House PlansDuplex Plans in North Carolina
- Tennessee House PlansDuplex Blueprints in Tennessee
- Colorado House PlansDuplex Investment Plans in Colorado
Duplex & Multi-Family Plans: FAQ
Can I build a duplex in your state?+
It depends on your lot's zoning. Many cities have widened where duplexes are allowed, and we check your zoning first.
Can each unit have its own meter?+
Yes. We design separate electrical panels, HVAC systems and water heaters for every unit.
How much do duplex plans cost in your state?+
Custom plans start at $1,050 for homes up to 1,000 sq ft and are priced by size. Most family homes come to $2,000–$3,000 all-in, with free customization and 30 days of revisions.
How fast can I get duplex plans for your state?+
Standard delivery is 10 business days. Priority, Express, Rush (48 hours) and Super Rush (24 hours, up to 3,000 sq ft) are available at checkout.
Ready to design your home?
It takes about 10 minutes, and we save your answers as you go.