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HomeAccessory Dwelling Unit Adu House PlansCozy 572 Sq Ft Over-Garage Suite with Smart, Efficient Living Design

Cozy 572 Sq Ft Over-Garage Suite with Smart, Efficient Living Design

Plan #AD6381-A · 572 sq ft · 1 bd · 1 ba · 2.0 story · 2-car

Accessory Dwelling Unit Adu House PlansCarriage House Plans Garage Apartment Plans Adu DesignsCottageTwo Story
★★★★★Read 687+ verified reviews →
Estimated cost to build the home
$85k – $145kFree zip estimate ↓
Have questions about this plan? Book a free plan review with David →
David Park · Residential Plan Advisor · 30+ years
572
Sq Ft
1
Beds
1
Baths
2.0
Stories
2
Garage
8′
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
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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…
  • Working with a very small lot—the footprint is just 26 ft by 26 ft
  • Want to add rental income or guest space without a large footprint (572 sq ft detached ADU)
  • Need a compact accessory dwelling unit with efficient design (1 bedroom, 1 bathroom, slab foundation)
  • Prefer a distinctive cottage style with steep roofline (10.5:12 roof pitch)
  • Seeking laundry convenience integrated into the master suite (laundry access from closet)
! May not be the best fit if you…
  • Need multiple bedrooms—this plan has only 1 bedroom
  • Want a single-story layout—this is a two-story design with stairs to living quarters
  • Require a large living area—572 sq ft is intentionally minimal and efficient
  • Prefer main-floor living—all residential space is on the second floor

This plan tends to appeal to:

Accessory Dwelling Unit BuildersRental Property InvestorsAcreage OwnersWork-From-Home ProfessionalsDownsizersAging-in-Place Buyers
Think this is the one? Choose your package above and check out when you're ready.Yes — this plan fits me →

Floor Plans

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Main Level — 572 sq ft · 26.00′W × 26.00′D

↓ Free Sample
floor plan

Choose Your Package

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PDF Set
Build as-is or minor changes
$890
  • Complete working drawings (PDF)
  • Instant delivery to your email
  • Unlimited build license included
  • Copyright release — print as needed
  • AutoCAD DWG files not included
5 Prints
$990
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed
5 Prints + PDF
$995
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed
CAD Set
Significant modifications or custom design
$1,750
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed

About this plan

Adu314 is a compact, two-story carriage house plan providing 572 square feet of heated living space atop a 676 square foot 2-car garage. With a footprint measuring 26 feet in width by 26 feet in depth, this structure is optimized for smaller lots requiring an accessory dwelling unit or a detached guest suite. The vertical profile reaches a maximum building height of 22 feet 2 inches, defined by a steep 10.5:12 roof pitch that contributes to its classic cottage-style aesthetic.

The primary living quarters are located on the second floor, offering a self-contained 1-bedroom, 1-bathroom layout. This level includes a dedicated kitchen and laundry access integrated directly through the master closet for efficient circulation. The interior is defined by 8-foot ceiling heights, which create a consistent vertical volume across the living area, while the garage level below features 8-foot ceilings to accommodate standard vehicle storage.

Structural integrity is provided by a slab foundation, which simplifies the construction process and ensures long-term stability for the 2-car garage configuration. The design prioritizes vertical utilization, separating the utilitarian garage space from the private residential suite above. By placing the primary dwelling area on the second story, the footprint remains minimal, allowing for easier placement on properties with limited acreage.

This plan serves as a versatile solution for property owners seeking rental income, a private home office, or guest accommodations. The layout demonstrates clear functional zoning, ensuring that the ground-level garage does not interfere with the quiet environment of the upper-level living quarters. Its efficient use of space makes it a practical addition for those looking to expand their property utility without increasing the main house footprint.

Key Features: 572 sq ft living area, 2-car garage, 1 bedroom, 1 bathroom, 10.5:12 roof pitch, 26 ft x 26 ft footprint, slab foundation, accessory dwelling unit, laundry access from master closet, 8-foot ceiling heights.

Review plan layouts, CAD packages, and customization options for this home.

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)572 sq ft
2nd Floor572 sq ft
Bedrooms1
Full Bathrooms1
Stories2.0
Width of House26′
Depth of House26′
Building Height22′2″
1st Floor8′
2nd Floor8′
Garage9′
Garage2-car, front-load
Garage Area676 sq ft
FoundationSlab
Wall Framing2x4
Roof FramingStick
Roof Pitch10.5:12

Key Features

2.0-story layout
1 bedrooms · 1 full baths
8-ft ceilings on the main level
2-car garage
26.00′ × 26.00′ 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 #AD6381-A
GARAGE · 572 sq ft · 1 bd / 1 ba / 2-car

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
$272k
Most common
Mid-range
$315k
Premium
$356k+
Modeled on Wichita, KS — our US price-baseline city. Use the form below to generate an exact estimate for your own location.
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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

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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.

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Starting at
$890
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