Modern 3,624 Sq Ft Duplex with 4 Beds per Unit utilizes a narrow 38-foot-wide footprint to maximize density without sacrificing individual unit volume. This two-story design offers a total of 3,624 square feet of heated living area, with each of the two units providing 1,812 square feet of interior space. The structure is optimized for site-constrained lots, requiring a depth of 50 feet and reaching a maximum building height of 31 feet 6 inches.
Each unit features a dual-level floor plan centered around an open-concept family area. The first floor of each unit benefits from 10-foot ceiling heights, which increase the perception of scale within the primary living zones. A centrally placed kitchen island anchors the ground floor, maintaining direct sightlines into the adjacent family room, while a dedicated home office or study provides a quiet zone for remote work.
The second floor of each residence accommodates the private sleeping quarters, including a master suite with a double vanity bath. A loft space on this level serves as a flexible area, suitable for use as a media room or additional study. Laundry facilities are conveniently located on the second floor, reducing the transit time for household chores between the sleeping and living levels.
Construction details include an 8:12 roof pitch, contributing to the building's distinct vertical profile. Exterior amenities include 72 square feet of front porch space for each unit, providing a defined entry transition. The layout is designed to support long-term residential use, rental income, or multi-generational living arrangements through an identical mirror-image configuration.
Key Features: 8 bedrooms total, 6 full bathrooms, 2 half bathrooms, 3,624 total square feet, 38-foot width, 10-foot first-floor ceiling height, 8:12 roof pitch, second-floor laundry, dedicated home office, loft media room, open-concept kitchen island.
Explore floor plans, available formats, and modification options for this duplex design.
The construction drawings will include detailed, dimensioned floor plans, exterior elevations, roof plan, foundation plan, basic electrical layout, cross-section(s), foundation plan, and other general specifications. Some plans will include interior cabinet layouts.
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All house plans sold by Archival Designs have been designed to comply with the International Residential Code (IRC) and to the local codes in the area where the designer resides or where the house was built.
All house plans are designed to meet or exceed the national building standards required by the International Residential Code (IRC). Due to differences in climate and geography throughout North America, every city, local municipality and county has unique building codes and regulations that must be followed to obtain a building permit. Prior to purchasing a set of house plans, we recommend that you meet with your local building officials in order to determine the building requirements for your area. It is the responsibility of the purchaser(s) and/or builder to ensure that the structure is constructed to meet the codes of their local area.
Important Note:
House plans do not come stamped or signed by an architect or engineer. Additionally, house plans typically will not include structural engineering notes/calculations. Please check with your local building officials to determine if a stamp is required. If required, the building department will only accept a stamp from a licensed professional in the state where the home will be built.
Depending on your city, county, and state building requirements, house plans may need to be reviewed by a local licensed architect or engineer for structural details and code standards before construction begins. This is particularly true in coastal areas and those facing seismic events, extreme winds, and heavy snow. If you are building in any of these areas, a licensed structural engineer will likely be needed to provide the necessary calculations and additional drawings. We authorize the use of our plans conditioned on your obligation and agreement to strictly comply with all local building codes, ordinances, regulations, and requirements, including permits and inspections at the time of and during construction. We recommend checking with your local building department for the most current requirements. The purchaser(s) and/or builder are responsible for additional expenses incurred through meeting municipality requirements or other requirements for construction.
Our foundation plans have been designed for universal conditions and may need to be adjusted to fit your specific site conditions. The foundation should be modified by a local structural engineer to comply with soil testing laboratory findings and local building requirements.
Our house plans will include schematic electrical drawings; however, circuiting or wire sizing will not be included. Your electrical subcontractor will typically provide these drawings.
HVAC and plumbing drawings are not included. Your mechanical and plumbing subcontractors will determine the best layout for your site. Local HVAC codes, climatic requirements and commonly used systems vary throughout the country. The direction of how water flow will enter the home vary from case to case. For this reason, it is impossible to provide universal plans.
