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HomeAccessory Dwelling Unit Adu House PlansStylish Garage Apartment with Side-Load 3-Car Garage – 870 Sq Ft Living Space Above

Stylish Garage Apartment with Side-Load 3-Car Garage – 870 Sq Ft Living Space Above

Plan #Q6133-A · 870 sq ft · 2 bd · 1 ba · 2.0 story · 3-car

Accessory Dwelling Unit Adu House PlansCarriage House Plans Garage Apartment Plans Adu DesignsContemporary And Modern House PlansTwo Story
★★★★★Read 687+ verified reviews →
Estimated cost to build the home
$130k – $220kFree zip estimate ↓
Have questions about this plan? Book a free plan review with David →
David Park · Residential Plan Advisor · 30+ years
870
Sq Ft
2
Beds
1
Baths
2.0
Stories
3
Garage
9′
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…
  • Working with a narrow lot under 40 feet wide — the design measures just 37 feet across
  • Need a compact footprint with substantial garage space (3-car garage for vehicles or workshop)
  • Want a two-story structure that maximizes vertical efficiency on limited square footage
  • Looking for a second-floor master suite with walk-in closet and keeping room (870 sq ft upper level)
! May not be the best fit if you…
  • Need a single-level layout — this is a two-story plan with living entirely on the second floor
  • Prefer ample main-floor living space — all 870 sq ft of living area is upstairs only
  • Want a larger footprint — the design is intentionally compact at 37 ft wide by 25 ft deep

This plan tends to appeal to:

Narrow-Lot BuildersUrban Infill DevelopersAccessory Dwelling Unit CreatorsVertical-Efficiency Specialists
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 — 870 sq ft · 37.00′W × 25.00′D

↓ Free Sample
floor plan

Choose Your Package

Not sure? Call us — we'll help
PDF Set
Build as-is or minor changes
$1,050
  • 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 + PDF
$1,400
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed
PDF Multi-Build
$1,650
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed
CAD + PDF Bundle
$1,900
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed
CAD + PDF Multi-Build
$2,450
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed

About this plan

Two-Story Garage Apartment Plan

This contemporary garage apartment plan delivers 870 square feet of heated living space entirely on the second floor, positioned above a side-load 3-car garage. The design is engineered for narrow lots, measuring just 37 feet wide by 25 feet deep, making it ideal for properties where vertical efficiency is essential.

The second-floor layout includes two clustered bedrooms, one full bathroom, a keeping room, and a kitchen with a walk-in pantry. Laundry facilities are positioned adjacent to the pantry to consolidate utility zones. The lower level features a 925 square foot 3-car garage with side-load access, offering substantial space for vehicles or workshop activities. Nine-foot ceilings on the garage level and 8-foot ceilings upstairs define the vertical scale, while 2x6 wall framing and an 8:12 roof pitch ensure structural durability and a compact profile capped at 23 feet 4 inches in height.

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)870 sq ft
2nd Floor870 sq ft
Bedrooms2
Full Bathrooms1
Stories2.0
Width of House37′
Depth of House25′
Building Height23′4″
1st Floor9′
2nd Floor8′
Garage3-car, side-load
Garage Area925 sq ft
FoundationSlab
Wall Framing2x6
Roof FramingStick
Roof Pitch2:12

Key Features

2.0-story layout
2 bedrooms · 1 full baths
9-ft ceilings on the main level
3-car garage
37.00′ × 25.00′ 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 #Q6133-A
GARAGE · 870 sq ft · 2 bd / 1 ba / 3-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
$339k
Most common
Mid-range
$393k
Premium
$440k+
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

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
$1,050
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