ADU Floor Plans & Designs The Stand Alone A.D.U. house plan or the attached ADU (An accessory dwelling unit (ADU) is a legal and regulatory term for a secondary house or apartment that shares the building lot of a larger, primary house)  have become the magic sauce that is helping families stay together, weather hard times, and expand the income footprint with additional rental revenue. Across the US and Canada A.D.U’s have become ubiquitous in all neighborhoods.. From 400 sq. ft detached ADU-Casita’s to basements or roofs of garages the ADU is here to stay and will only increase its density across North America over the coming Decades. We have a growing collection of such house plans that offer delightful and timely options to our new construction builders and homeowners.

Browse our latest designs in Modern Barndominium Plans and Barn Style Home Designs. For some time now home buyers have embraced the rustic comfortable and expansive qualities of Barn Houses. From the Barndominium to Luxury Barn Style House Plans, we offer a wide range of beautiful and affordable options.  What these designs all have in common is a distinctly familiar Barn Style Aesthetic and a simple cost efficient shape and structure. You can also expect dramatic interior volume spaces with most of these Barn Style Home Designs, along with open concept floor plans with social gourmet kitchen spaces. Many plans offer an upper floor loft space insuring the shared space and dramatic interiors that are familiar to Barndominium Designs.

Best Selling House Plans Our collection of Best Selling – Most Popular House plans share many things in common in addition to their overwhelming popularity. Unique Aesthetic Qualities: Innovative Architectural Design: These best-selling plans are likely to feature innovative home designs that set them apart from standard homes. This could include unique facades, rooflines, and exterior materials woven together in a balanced and unique tapestry by the Mark Stewart Staff. Attention to Detail: Most importantly there is great attention to the way people actually live, and what they actually need. Favorite, generationally ingrained Living Patterns are prevalent throughout the collection. Top Resale Values:Timeless Design: Homes with enduring and timeless designs tend to have higher resale values. Mark Stewart’s plans may incorporate an innovative blend of architectural elements that appeal to a broad range of buyers. Efficient Use of Space: These homes all make efficient use of their square footage by optimizing floor plan optimization and minimizing wasted space tend to hold their value well. Popular Interior Features: Open Floor Plans: These plans typically include open-concept living areas that connect the kitchen, dining, and living spaces, enhancing social interaction and flow. Well-Appointed Kitchens: A focal point of the home, the kitchen often features modern appliances, ample storage, and stylish finishes. Primary bedroom Suites: The master bedroom and en-suite bathroom are spacious, providing a luxurious retreat. Most importantly most of these Best Selling – Most Popular House plans will have multiple complete bedroom suites, many will full ADU-Casita Quarters Flexible Spaces: Best-selling plans often include flex rooms that can serve as home offices, playrooms, or guest rooms, adding versatility to the design.  Smart Use of Construction Dollars and Square Footage:  Efficient Space Planning: Mark Stewart’s plans are known for optimizing every square foot of space, avoiding wasted areas and ensuring that every room serves more than one purpose.  Energy Efficiency: Best-selling plans incorporate energy-efficient features, helping homeowners save on utility costs over time.   Buildability: The plans are designed with construction efficiency in mind, which can lead to    cost savings during the building process. Outdoor Living Spaces: These Best-selling home plans often include outdoor areas like covered porches, patios, or decks, allowing homeowners to enjoy the natural surroundings and extend their living space. Sustainable and Eco-Friendly Features: In response to growing environmental concerns, these plans incorporate sustainable and eco-friendly design elements, such as energy-efficient envelope designs, sustainable building materials and techniques with an everchanging response to the Ever-changing environmental challenges Adaptability and Customization: Mark Stewart’s designs can  be customized to suit the specific needs and preferences of individual homeowners, ensuring that the house plan can be tailored to meet their unique lifestyle. You can be sure that each and every one of these house plans has been lived in, loved and cherished by people from all walks of life many times over. These plans are tried and true and you feel comfortable in the knowledge of our ongoing support to the improvement and refinement of each home design.

This group of designs have all been built or are being built in the beautiful City of Portland. All of these designs have passed through the demanding and unique zoning, planning and structural requirements the City of Portland requires. Take advantage of these designs for your next City of Portland building project. They have all passed the rigorous gauntlet of approvals previously and most importantly they bear the signature Mark Stewart design touch.

Mark Stewart Home Design has decades of experience designing homes in The City Of Lake Oswego. We’ve compiled all of the homes we’ve built in the City of Lake Oswego, house plans that meet the rigorous and unique zoning and planning code of this beautiful communityb. This group of plans has all been built in The City of Lake Oswego and should give you a leg up on your next L.O. Home building project.  Plans are always being added to this group, so stay tuned!

The “Arts & Crafts” style and Bungalow House Plans were popularized over a century ago, and are currently enjoying a new life in our time. — and for good reason. These styles offers beauty and strong, meaningful design elements that announce and nurture at the same time. Mark Stewart Bungalow House Plans have been very popular particularly on in-fill lots in the heart of the city. Homeowners fall in love with them immediately ! M-1914 Bungalow House Plan Bungalow House Plans generally include: Decorative knee braces Deep eaves with exposed rafters Low-pitched roof, gabled or hipped. 1–1½ stories, occasionally two Built-in cabinetry, beamed ceilings, simple wainscot are most commonly seen in dining and living room. Large fireplace often with built-in cabinetry, shelves, or benches on either side Dormers, shed, hipped or gabled. Large, covered front porches with massive columns under extension of main roof. One or Two Car Garages Windows were typically double hung with multiple lights in the upper window and a single pane in the lower. We are elated to bring you this unique Bungalow home design collection and have many more on the way. Our design team is also excited to be featuring Farmhouse Plans, Lodge Style Designs, Cape Cod Homes and Small Home Plans on our website too! If you have any questions about these new styles of the home designs in our collection, don’t hesitate to send us an email or give us call.

Cape Cod House Plans A Cape Cod Cottage is a style of house originating in New England in the 17th century. It is traditionally characterized by a low, broad frame building, generally a story and a half high, with a steep, pitched roof with end gables, a large central chimney and very little ornamentation. Traditional Cape Cod homes were very simple: symmetrically designed with a central front door surrounded by two multi-pained windows on each side. Martha’s Vineyard is a prime example of an area whose residential architecture adheres to these time honored features, Mark Stewart Cape Cod Home Designs have open, functional floor plans with Modern Gathering Kitchens. Many have Casita’s extending the flexibility and multi-generational qualities of the home design. Solid, trust-able style with modern up to date floor plans are what we strive for in this collection. We hope you enjoy these unique and special Cape Cod house plans.

Casita House Plans A great idea who’s time has come:  Casita Home Design! Mark Stewart Home Design has been on the leading edge in the creation of single family homes that include a “Casita” for the past 10 years. You will find a larger collection of Casita House Plans here on our website then almost anywhere else on the Web. We have these designs for flat lots, uphill lots, downhill lots and even narrow lots.   A Casita is defined as a small, attached but self-contained house or apartment Mark Stewart Casita House Plan “Sunrise” Casita= Freedom.. Home Office, yoga studio, meditation hall, guest suite, teenager suite, Parent Suite, Man Cave, Art Studio, Home Business, Den, Study, Music Room, Library, Rental Unit, or just “An away space”  The Casita is magical and is available now in these innovative Home Plans. Take control of your life with a Multi-Generational Casita House Plan. Never be without the space you need again!

Contemporary House Plans Contemporary Home Design is, in broad terms the design  of the present day. To many people Contemporary House Plans more accurately describe two distinct sub-types based on roof shapes: flat or gabled. The flat-roofed sub-type is a derivation of the International style. These are often referred to as American International.. The gabled sub type is influenced by the earlier modernism of the Craftsman Style. Plan on seeing Contemporary designs continue to thrive in every age. Get excited again by Contemporary Design. Mark Stewart Contemporary House Plan-Black Diamond In the Mark Stewart Portfolio you find a wide range of all of the above as well as some designs that are a hybrid. Enjoy this category as it  is used with many meanings.  We have been liberal in our use of this style throughout our portfolio in an attempt to include most people’s vision of Contemporary Home Design .

Cottage House Plans A Cottage is, typically, a small house. The word comes from England where it originally was a house that has a ground floor, with a first, lower story of bedrooms which fit within the roof space. “Montana” a Mark Stewart Small Cottage House Plan In many places the word cottage is used to mean a small old-fashioned house. In modern usage, a cottage is usually a modest, often cozy dwelling, typically in a rural or semi-rural location.  In the United States the word cottage is often used to mean a small holiday home. However there are Cottage House Plans in cities, and in places such as Canada the term generally exists with no connotations of size at all. If you have any questions about ordering these home plans online don’t hesitate to give us a call or email. Shop, or browse photos of our broad and varied collection of Cottage House Plans below. If you have any questions about these home designs, or how to order the house plans online, just let us know!  

Country Home Design Something about these Country Style House Plans brings us home to our roots, where we feel comfortable, safe and secure. Mark Stewart Country and Americana Home Designs: bringing you back home. This American Rooted Style is a bit of  an update of the popular “Colonial style.” The colonial home is  influenced by 18th century colonists bringing European styles with them. They’re probably most recognizable for featuring two windows on either side of the front door and five windows on top, with the middle window directly above the door. Country houses aspire to be warm and inviting. They generally have wide porches, shutters, dormers, and wood detailing. The Modern Country Style House Plan that is seeing a resurgence now has fuzzy ties to the Modern Farmhouse Movement. These homes evoke simpler times, bring back great memories, feel permanent and generally are structurally straightforward to build. Modern touches, color schemes and technology have brought this style into current day home style vernacular.

Craftsman House Plans Craftsman house plans have enjoyed a powerful renaissance, and with good reason. Modern Craftsman homes are cozy and proud to behold. Craftsman House Plans can also be affordable to build. Anyway you look at it Craftsman designs are back and here to stay. Craftsman House Plan Sister 73 Base Craftsman House Plans come in  four primary roof shapes: front gabled, cross gabled, side gabled and hipped roof. The details of the porch posts and rails, rafter tails and eave brackets allow significant variation. Brick, stone, stucco and wood siding of many different types is used in this style, resulting in almost every example’s taking on its own unique identity. The style has built on itself over the years, but they continue to charm homeowners with their intimacy, richness and sense of belonging. We have produced a full collection of Craftsman Home Designs from small to large for most lot types. You can also view many of these in our small home design collection. We are proud to offer you some of finest modern craftsman homes available anywhere. If you have any questions about how to order our house plans online or would like to order the designs over the phone, don’t hesitate to contact us. We can take your order over the phone or help you buy your house plan online.