Stock House Plans

Mark Stewart Home Design offers an exclusive collection of over 900 best-selling stock house plans.

Start your search for quality stock house plans today using our search form to the right. You can narrow your search by plan size, architectural style and many other features. We have a robust collection of Home Designs in styles ranging from Modern, Prairie Style and Craftsman Home Plans  all the way to Skinny, Luxury and Estate Homes .  Take advantage of over 35 years of experience in home design and the production of stock home  plans.  Mark Stewart Home Designs have become synonymous with unmatched design quality, carefully prepared working drawings and expertly crafted living space. You will also find our expert design and administrative staff will be very responsive and helpful in your house plan search. We want you to find the exact house plan for your needs.

Mark Stewart Modern Farmhouse Style House Plans
Exciting Modern Farmhouse Style House Plans
Best selling Modern House Plans
Best selling Modern House Plans

We are building  a growing collection of Small Modern House Plans to compliment our full portfolio of Builder Favorite House plans in Prairie, Craftsman, Modern and emerging Farmhouse Styles. House Plans by Mark Stewart are  also unique in that there is a large collection of Home Designs that feature a fully independent Casita. This group of House Plans with a Casita solves so many living challenges faced today, from Home Business needs to a Long Term Guest or Relative. Mark Stewart Custom Home Designs are also available on the site with many available for purchase as stock home plans. Our Home Design Portfolio will remain current and in fact be ahead of the design curve as it has been for 35 years.

 Enjoy your search for a house plan!                  Building a new home can be an incomparable joy, as is the business of home building!

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This complex, with six comfortable three bedroom, two bathroom homes, offers smart living in manageable units. Units 1 and 4 at the rear of the building are the same floor plan as the units in front of them, but have slightly larger bedrooms and great rooms. The four units at the front of the building are 893 square feet while the two rear units are 1100 square feet.

Sq Ft: 5,772Width: 51Depth: 45Stories: 3Master Suite: Main Floor


A charming triplex perfectly at home in any development. Each three story unit comes complete with 3 bedrooms as well as a bonus room that can function as a bedroom, and the middle and right units have walk-in closets in the master suites.

Sq Ft: 5,189Width: 67.2Depth: 37.5Stories: 3Bedrooms: 12Bathrooms: 10.5


Where to begin? This home spares nothing. You will immediately notice the large sport court located in the basement, as well as the private and Portland-friendly ADU upstairs. Also upstairs are three comfortable bedrooms, as well as a rec room. This home also features a large master suite on the main floor, complete with a vaulted ceiling, vaulted walk-in, and separate tub and shower. This house plan is perfect for a steep lot.

Sq Ft: 5,104Width: 68.3Depth: 45Stories: 3Master Suite: Main FloorBedrooms: 5Bathrooms: 4.5


The ultimate house plan

for a sloped lot. As attractive as the  modern exterior is, the floor plan is even more so. Perfect for entertaining, this home features decks on every floor, looking out the back of the home down the slope. The master suite upstairs features a spacious shower as well as a separate tub. A very large walk in closet is just off the master bath which features a split his and hers style layout. A second bedroom upstairs offers easy access to the large open sun deck. On the main floor you’ll find a spacious kitchen with two islands, a comfortable “U” layout, and large walk in pantry. The great room looks down onto the floor below, and opens up onto a large covered deck. On this lower floor you’ll find a rec room, studio, bedroom, shop, and a final roomy deck. There surely is nothing left to be desired in this beautiful Modern House plan for a sloped lot.

Sq Ft: 5,123Width: 77Depth: 47.7Stories: 3Master Suite: Upper FloorBedrooms: 3Bathrooms: 3.5


Marilyn is magnificent, and so is this house plan! The two story rounded great room will take your breath away! Put this design on a lot with a killer view to the rear, and you might never leave home.. Downstairs is a luxury floor plan, with large library, arched stair, gourmet kitchen, and guest suite.. The utility, and mud room are near the garage, and the back stair, perfect for busy kids coming and going.. Upstairs is a private luxury master suite, two more large bedrooms and a theater room. Outside is a dramatic two story porte cochere at the entry and a four car garage..

Sq Ft: 5,468Width: 104.8Depth: 81Stories: 2Master Suite: Upper FloorBedrooms: 4Bathrooms: 4.5

ralston house plan front wide copy

Nothing compares with this modern masterpiece, full of light, drama and flexibility. The rooms share volume space and tons of light from the sumptuous window walls. Spaces are generously sized and located for circular living. Privacy is assured with zoned bedrooms. Profound planning has gone into this modern marvel. The heart of this home is the two story great room with warming fireplace and open bridge above. The den is just about as perfect as you could ask for  with a full adjacent bath, lots of closet space and private exterior french door exit. The four car garage is detached and comes with a lower floor apartment design. Drawings come complete with steel detailing and one of the most carefully detailed house plans you will ever see.

Sq Ft: 5,305Width: 84Depth: 50Stories: 2Bedrooms: 4Bathrooms: 3

Grass%20Smaller%20with%20Sunset[1] Jeni Moderna Houes Plan
M-5440 J

A modern masterpiece originally designed for a very special modern thinking client. Too much to list, but suffice to say, nothing is left out. Two story great room opens to two story covered Lanai with Koi pond and two way fireplace. A Library with attached den is off the grand foyer as is the formal dining room adjacent to the gourmet kitchen. A completely separate main floor rec room is adjacent to the main floor guest suite, music room and craft room. Upstairs are sumptuous bedroom suites, lots of storage, an overlooking loft and a private upper floor guest room. The architectural styling is distinctively Mark Stewart Modern in every regard. A beautiful house plan in every way!

Sq Ft: 5,440Width: 160Depth: 69.3Stories: 2Master Suite: Upper FloorBedrooms: 5Bathrooms: 7.5

M-5492 1 House Plan

This is a magnificent luxury house plan with all the drama, beauty and comfort possible. The graceful good looks lead to a dramatic two story entry off the entry porte-cochere. The main floor boasts formal living and dining rooms along with the tall ceilinged den. The kitchen and large Nook share space with the sunken family room with built in entertainment center, fireplace and covered terrace. Upstairs is a magnificent Master Suite with Attached Den/Sitting Room and three way fireplace. The lower floor comprises two large bedroom suites and a big Rec Room.

Sq Ft: 5,260Width: 83.5Depth: 61.5Stories: 3Master Suite: Upper FloorBedrooms: 5Bathrooms: 3.5

M-5112 1 House Plans

Luxurious and Magnificent are the words for this spectacular custom designed single story house plan. The Two Story Foyer leads to a grand entrace with Formal Dining off to one side through arched columns. Straight ahead is an off the chain Great Room with two story stone columns, beamed ceiling and Nana Wall exterior doors to the covered Veranda.. This kitchen is possibly the best room in the house with its magnificent island and smart layout. The Master Suite is equally regal with its sitting room, exterior Nana Wall Doors and Luxury Bathroom. There is a state of the art Media Room as well as a Game Room. If you just want to live the good life. then this home is for you.

Sq Ft: 5,112Width: 127Depth: 91Stories: 1Master Suite: Main FloorBedrooms: 3Bathrooms: 3

M-5173 1 House Plan

This is a one of a kind spectacular house plan with complete master suites on the main AND upper floors. Complimenting these suites are two additional bedroom suites AND a bonus room with main floor den. The large rear covered porch comes complete with skylights to insure natural light in the great room. There are endless variations that could be imagined with this plan. It is truly a home for the rest of your life.

Sq Ft: 5,173Width: 68Depth: 84Stories: 2Bedrooms: 4Bathrooms: 3.5