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HomeCottageImpressive 4 Bedroom House Plan with Two-Story Grand Room, Bonus Room & 3-Car Garage | 3,420 Sq Ft

Impressive 4 Bedroom House Plan with Two-Story Grand Room, Bonus Room & 3-Car Garage | 3,420 Sq Ft

Plan #AE8399-A · 3,420 sq ft · 4 bd · 4 ba · 1.5 story · 3-car

Cottage
★★★★★Read 687+ verified reviews →
Estimated cost to build the home
$515k – $855kFree zip estimate ↓
Have questions about this plan? Book a free plan review with David →
David Park · Residential Plan Advisor · 30+ years
3,420
Sq Ft
4
Beds
4.5
Baths
1.5
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…
  • Looking for a master suite on the main floor with laundry access and a private bath (first-floor master suite with walk-in closet and double vanity)
  • Want dedicated entertaining spaces—formal dining, kitchen island, and coffee bar alongside the open floor plan (kitchen island, eating bar, coffee bar, formal dining room)
  • Need flexible future space without building a two-story home—3 bedrooms plus unfinished bonus room and loft upstairs (1.5 stories with expandable upper level)
  • Require room for multiple vehicles and a welcoming street presence (3-car front-entry garage on a 70–79 ft wide lot)
  • Plan to work from home—a first-floor den or home office is built in (home office/study)
! May not be the best fit if you…
  • Need a single-story layout with no stairs—this design is 1.5 stories with upper bedrooms and bonus space requiring vertical circulation
  • Want a compact footprint to minimize build costs (3,420 sq ft across 1.5 stories)
  • Have a narrow lot under 60 ft wide—this design needs 70–79 ft of width

This plan tends to appeal to:

Growing FamiliesMove-Up BuyersWork-From-Home ProfessionalsHosts & EntertainersAging-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

Tap to zoom · Download sample

Main Level — 3,420 sq ft · 74.50′W × 74.50′D

↓ Free Sample
AE8399-A Cottage House First Floor Plan, 4 Bedrooms, 4.5 Bathrooms | Addison Place House Plan

Choose Your Package

Not sure? Call us — we'll help
PDF Set
Build as-is or minor changes
$1,550
  • 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
$2,000
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed
5 Prints + PDF
$2,250
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed
CAD Set
Significant modifications or custom design
$3,100
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed
PDF 3× Multi-Build
$3,100
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed
CAD + PDF 3× Multi-Build
$4,600
  • Complete construction drawings
  • Unlimited build license included
  • Copyright release — print as needed

About this plan

A Home Built for Growth

This 3,420 sq ft house plan centers on a soaring two-story grand room, creating dramatic vertical space within a layout that combines first-floor living with upper-level flexibility. An unfinished bonus room and loft expand future possibilities, while the three-car front-entry garage integrates naturally into the home's broad façade.

The foyer opens into the grand room, where the fireplace anchors an open floor plan connecting the kitchen, dining, and main gathering spaces. A large kitchen island, eating bar, coffee bar, and walk-in pantry provide efficient support for entertaining, while the formal dining room offers a dedicated setting for larger occasions. The first-floor master suite features a walk-in closet, private bath with double vanity, and direct laundry access. Upstairs, additional bedrooms, the loft, and a home office create distinct zones that complement the main-level living areas.

Built on a slab or crawl foundation, the design balances spacious interiors with adaptable expansion through the unfinished bonus room. A covered front porch, grilling terrace, and generous outdoor living space complete the practical layout.

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)3,420 sq ft
1st Floor2,499 sq ft
2nd Floor921 sq ft
Bonus Room755 sq ft
Total Porch535 sq ft
Bedrooms4
Full Bathrooms4
Half Bathrooms1
Stories1.5
Width of House74′6″
Depth of House74′6″
Building Height31′
1st Floor9′
2nd Floor8′
Garage3-car, front-load
Garage Area876 sq ft
FoundationSlab / Crawl Space / Basement / Daylight Basement / Walkout Basement
Wall Framing2x4
Roof FramingStick
Roof Pitch12:12

Key Features

1.5-story layout
4 bedrooms · 4 full baths
9-ft ceilings on the main level
3-car garage
74.50′ × 74.50′ 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 #AE8399-A
HOUSE · 3,420 sq ft · 4 bd / 4 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
$499k
Most common
Mid-range
$558k
Premium
$613k+
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
$1,550
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