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HomeDuplexPractical 1,636 Sq Ft Duplex House Plan with Two Compact Units

Practical 1,636 Sq Ft Duplex House Plan with Two Compact Units

Plan #AE397-A · 1,636 sq ft · 4 bd · 2 ba · 1.0 story

DuplexTraditionalOne Story
★★★★★Read 687+ verified reviews →
Estimated cost to build the home
$245k – $410kFree zip estimate ↓
Have questions about this plan? Book a free plan review with David →
David Park · Residential Plan Advisor · 30+ years
1,636
Sq Ft
4
Beds
2
Baths
1.0
Stories
Garage
10′
Ceilings
“We kept coming back to this plan — it just felt right for our family. The flow between the kitchen and living room works.”Verified buyer · Trustpilot
40+
Years in Business
3,000+
Plans in Catalog
10%
Beat Any Competitor Price
Expert
In-House Design Team
Quick self-check · 30 seconds

Is this the right plan for you?

Most regret comes from buying a plan that doesn't fit your life. Skim this before you decide.

Great fit if you…
  • You want two separate residences
  • You prefer compact unit layouts
  • You need four total bedrooms
  • You value main-floor laundry
! May not be the best fit if you…
  • You need one large single-family home
  • You want more than two bedrooms per unit
  • You prefer larger individual living areas
  • You need multiple bathrooms per unit

This plan tends to appeal to:

Duplex investorsRental property ownersMulti-unit householdsCompact-home seekers
Think this is the one? Choose your package above and check out when you're ready.Yes — this plan fits me →

Floor Plans

Tap to zoom · Download sample

Main Level — 1,636 sq ft · 54.50′W × 38.33′D

↓ Free Sample
Main Floor
Main floor plan — Practical 1,636 Sq Ft Duplex House Plan with Two Compact Units

Choose Your Package

Not sure? Call us — we'll help
PDF Set
Build as-is or minor changes
$1,100
  • Complete working drawings (PDF)
  • Instant delivery to your email
  • Unlimited build license included
  • Copyright release — print as needed
  • AutoCAD DWG files not included
PDF 3× Multi-Build
$1,800
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed
5 Prints
$1,200
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed
5 Prints + PDF
$1,450
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed
CAD + PDF 3× Multi-Build
$2,200
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed

About this plan

A two-unit configuration gives this 1,636-square-foot duplex house plan a distinct residential arrangement, with Unit A and Unit B each providing 818 square feet of heated living space. Each 1-story unit measures 27′3″ wide by 38′4″ deep, creating two compact residences within a shared overall structure.

Each unit contains two bedrooms and one full bathroom, with the interior organized around an open floor plan connecting the kitchen and dining area to the living room. A first-floor master suite provides a dedicated primary bedroom, while the walk-in closet adds private storage. Main-floor laundry keeps household utility space within the primary living level, supporting straightforward circulation throughout each residence.

The 258-square-foot total porch area includes a covered front porch and rear porch, giving both units defined outdoor spaces. The duplex can be built on either a slab or crawl-space foundation, with stick roof framing and 2x4 wall framing. 👉 View floor plans, photos, and pricing to get started today.

What's included in this plan
  • Exterior elevations (all sides)
  • Detailed floor plan(s) with dimensions
  • Foundation plan
  • Roof plan
  • Schematic electrical layout
  • Building cross-sections
  • General notes & specifications
Not included (handled locally)
  • Architectural / engineering stamps
  • Site & grading plan
  • Structural / framing calculations
  • Plumbing & HVAC layouts
  • Energy-compliance documents
  • Material take-off list
These are typically prepared by your local builder or engineer to meet your jurisdiction's requirements.

Complete Plan Specifications

Total Living (heated)1,636 sq ft
1st Floor1,636 sq ft
Total Porch258 sq ft
Bedrooms4
Full Bathrooms2
Stories1.0
Width of House54′6″
Depth of House38′4″
Building Height18′4″
FoundationSlab / Crawl Space
Wall Framing2x4
Roof FramingStick

Key Features

Single-story living — no stairs
4 bedrooms · 2 full baths
54.50′ × 38.33′ footprint
Unlimited build license included
Copyright release — print as many copies as you need
Builder-friendly construction drawings

Modify This Plan

Free quote in 1–3 business days · In-house design team
In-house design team · Family-owned since 1983

Need a 4th bedroom, a different foundation, or 8 more feet of width?

Two quick steps. We'll reply with a fixed-price quote — no obligation, and no charge until you approve.

1–3 days
To send your quote
~2 wks
Typical revision time
Free
Until you approve
Direct
To the architect
1
Your contact
2
What to change
PLAN
Plan #AE397-A
HOUSE · 1,636 sq ft · 4 bd / 2 ba /

First — where should we send your quote?

We only ask for what we need to get back to you. No address, no marketing.

Free quote — no charge until you approve·Direct to our in-house architect·40+ years modifying plans

What will this cost to build?

Most buyers are off by 20–30% before checking this.
Budget
$245k
Most common
Mid-range
$319k
Premium
$425k+
Indicative range at ~1,636 sq ft ($150–$260/sq ft nationally). Location, contractor & finish significantly affect final cost.
Refine for your location
Tiers above are baselined on Wichita, KS. Enter your own location for an exact Estidraft estimate.
Free · We email you the full line-item PDF.

Still deciding?

Book a free 15-min plan review with David Park.

David has 30+ years in residential design and construction documents. He'll walk through this plan with you — foundation options for your lot, modification possibilities, and exactly what's in the construction documents you'd receive. No pitch. No fee.


Reviews across all our plans — see plan-specific reviews on Trustpilot →

★★★★★

JoAnne and the entire staff was extremely helpful and patient with us while we decided between 2 homes. Outstanding curb appeal and a great layout perfect for us.

R
Rita Long · Milwaukee, WI
Plan: Cranberry Gardens
Verified buyer · Trustpilot
★★★★★

We've had an amazing experience with our new home. The customer service we received during our modifications was exceptional — they walked us through every change.

S
Sandra Hawkins · Montgomery, AL
Plan: Dunrobin Castle
Verified buyer · Trustpilot
★★★★★

We compared three plan sources and Archival's pricing + free design call won us over. Our builder said the construction docs were the cleanest he'd seen.

M
Mark Chen · Boise, ID
Plan: Pepperwood Place
Verified buyer · Trustpilot

→ Read all 687+ reviews on Trustpilot


Frequently Asked Questions

Can't find your answer? Call (888) 890-2353

For most buyers, the PDF Set is the right choice — instant delivery, unlimited build license, and easy to share with your builder. If you plan significant modifications or are building in CA, OR, WA, or NV, go with CAD + PDF so your designer can edit the source files. Still not sure? Call (888) 890-2353 and a real person will help you choose.

Still have questions about this plan? Talk to a real person — no pitch, no fee.

Starting at
$1,100
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