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ARCHIVAL DESIGNS
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Best Price Guarantee— we beat any competitor by 10%·Family-owned since 1983·(888) 890-2353
ARCHIVAL DESIGNS
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HomeAccessory Dwelling Unit Adu House PlansTwo-Story Garage with Bonus Room and Side-Load Parking

Two-Story Garage with Bonus Room and Side-Load Parking

Plan #H4915-A · 512 sq ft · 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
$75k – $130kFree zip estimate ↓
Have questions about this plan? Book a free plan review with David →
David Park · Residential Plan Advisor · 30+ years
512
Sq Ft
Beds
1
Baths
2.0
Stories
2
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…
  • Need a guest house or accessory dwelling unit on your property (512 sq ft independent living space above garage)
  • Want substantial garage space for vehicles or equipment (1,046 sq ft two-car garage)
  • Working with a small lot and need a compact footprint (42 ft wide, 27 ft deep)
  • Prefer side-load parking to keep the front elevation clean (side-facing garage orientation)
  • Plan to age in place or accommodate adult children (separate upper-level living quarters)
! May not be the best fit if you…
  • Need multiple bedrooms for a family (only one bonus room, no dedicated bedrooms)
  • Want a traditional single-family home layout (this is a carriage house with garage below)
  • Need more than 512 square feet of living space (upper level is limited to this footprint)
  • Require a basement or crawl space (slab foundation only)

This plan tends to appeal to:

Accessory Dwelling Unit BuildersAcreage OwnersMulti-Generational FamiliesCar EnthusiastsSmall-Lot Builders
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 — 512 sq ft · 42.00′W × 27.00′D

↓ Free Sample
Laura Lane Main Floor Plan

Choose Your Package

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PDF Set
Build as-is or minor changes
$1,345
  • 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
$1,595
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed
PDF Multi-Build
$2,045
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed
CAD Multi-Build
$2,445
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed

About this plan

Laura Lane is a carriage house plan encompassing 512 square feet of heated living space situated above a 1,046 square foot garage. This design is optimized for property owners requiring a compact footprint, measuring 42 feet in width and 27 feet in depth. The structure features a 61 square foot front porch that serves as the entry point to the lower-level utility zone, supporting a variety of site configurations.

The second-floor living quarters utilize an open-concept layout that integrates a flexible bonus room and a full bathroom. By concentrating the living area on the upper level, the design provides a distinct separation from the primary garage structure, making it a viable configuration for guest accommodations or independent living units. The interior volume is defined by a 9-foot ceiling height on the first floor and an 8-foot ceiling height on the second floor.

Technical specifications include a slab foundation and 2x4 wall framing, ensuring a straightforward construction process. The roof is built with stick-framed construction at an 8:12 roof pitch, contributing to a maximum building height of 25 feet. These structural choices emphasize durability and efficient material utilization, maintaining a consistent building profile.

The side-load two-car garage provides substantial square footage for vehicle storage and mechanical needs. This orientation allows for a cleaner exterior aesthetic along the front elevation while maximizing the utility of the ground-level footprint. The integration of the parking zone beneath the living space minimizes the total site coverage, which is particularly beneficial for smaller lots or accessory dwelling unit applications.

Key Features: carriage house plan, 512 sq ft living area, 1,046 sq ft side-load 2-car garage, 8:12 roof pitch, 9-foot first-floor ceilings, 8-foot second-floor ceilings, slab foundation, 2x4 wall framing, open-concept bonus room, accessory dwelling unit.

Explore floor plans, available formats, and customization options for this design.

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)512 sq ft
2nd Floor512 sq ft
Front Porch61 sq ft
Total Porch61 sq ft
Full Bathrooms1
Stories2.0
Width of House42′
Depth of House27′
Building Height25′
1st Floor9′
2nd Floor8′
Garage2-car, front-load
Garage Area1,046 sq ft
FoundationSlab
Wall Framing2x4
Roof FramingStick
Roof Pitch8:12

Key Features

2.0-story layout
9-ft ceilings on the main level
2-car garage
42.00′ × 27.00′ 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 #H4915-A
GARAGE · 512 sq ft · 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
$331k
Most common
Mid-range
$386k
Premium
$428k+
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.

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Starting at
$1,345
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