Modern Duplex with Tandem Garages and Rooftop Sun Decks
Plan #AC6438-A · 3,608 sq ft · 6 bd · 4 ba · 3.0 story · 4-car
“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
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.
- • Building a duplex or multi-family rental property on a narrow urban lot (just 35 ft wide with 4-car tandem garage)
- • Creating multi-generational housing with substantial per-unit space (6 bedrooms, 4.5 baths per side, 1,804 sf second floor)
- • Maximizing vehicle storage in confined spaces (tandem 4-car garage, 1,064 sf dedicated parking)
- • Want abundant outdoor living access (476 sf deck plus 202 sf porch across three levels)
- • Seeking an open main level for entertaining (10-foot ceilings, kitchen island, keeping room, fireplace)
- • Need a single-family home — this is a duplex configuration serving two households
- • Working with a lot wider than 40 feet — the design footprint is optimized for narrow sites only
- • Prefer a ranch layout — this is a three-story plan with stairs between levels
- • Want a modest footprint to control costs — 3,600+ sf total spans two full units
- • Need a main-floor owner's suite for accessibility — the primary suite is on the second floor
This plan tends to appeal to:
Floor Plans
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Choose Your Package
Not sure? Call us — we'll help- ✓Complete working drawings (PDF)
- ✓Instant delivery to your email
- ✓Unlimited build license included
- ✓Copyright release — print as needed
- ✗AutoCAD DWG files not included
- ✓Complete construction drawings
- ✓Unlimited build license included
- ✓Copyright release — print as needed
- ✓Complete construction drawings
- ✓Unlimited build license included
- ✓Copyright release — print as needed
- ✓Complete construction drawings
- ✓Unlimited build license included
- ✓Copyright release — print as needed
About 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
- —Architectural / engineering stamps
- —Site & grading plan
- —Structural / framing calculations
- —Plumbing & HVAC layouts
- —Energy-compliance documents
- —Material take-off list
Complete Plan Specifications
Key Features
Modify This Plan
Free quote in 1–3 business days · In-house design teamNeed 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.
First — where should we send your quote?
We only ask for what we need to get back to you. No address, no marketing.
What will this cost to build?
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.
What Buyers Are Saying
Trustpilot★★★★★4.8 / 5 · 687+ reviewsReviews 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.”
“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.”
“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.”
Frequently Asked Questions
Can't find your answer? Call (888) 890-2353For 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.
