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Front elevation
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Advanced House Plans

Santa Ana: Modern Cottage Style House Plan

$899
starting, base PDF set
Modern Cottage Style House
795
1
20' × 41'
1
9'
+ Customizable. + PDF and CAD sets available. + 12-month buyer support.

Listed on HomePlanHQ. We curate house plans from licensed designers and link directly to the seller — HomePlanHQ never marks up the plan price.

Plans & drawings
Plan description

About Santa Ana: Modern Cottage Style House Plan

Investing in this modern cottage Accessory Dwelling Unit (ADU) with two bedrooms, one bathroom, and an open concept living space offers numerous advantages that cater to a variety of lifestyle needs and preferences. First and foremost, this type of property strikes an ideal balance between functionality and aesthetic appeal. The two-bedroom layout provides ample space for a small family, guests, or even a home office, ensuring that the ADU can adapt to different living arrangements over time. The single bathroom, thoughtfully designed, maximizes efficiency without compromising comfort, making the unit both practical and easy to maintain. The open concept living space is a standout feature, enhancing the sense of spaciousness and facilitating a modern lifestyle centered around fluid, flexible living areas. This layout is particularly beneficial for social interactions, allowing for seamless transitions between the kitchen, dining, and living areas. It fosters a communal atmosphere, perfect for entertaining guests or enjoying quality family time. Additionally, the open design promotes better airflow and natural light distribution, creating a bright and inviting environment that enhances overall well-being. One of the most striking architectural elements of this modern cottage ADU is the large arched window. This feature not only adds a unique visual appeal but also serves a functional purpose. The arched window allows an abundance of natural light to flood the interior, creating a warm and welcoming ambiance. This connection to the outdoors can make the living space feel larger and more connected to nature. The Santa Ana is an excellent choice for those seeking a versatile, stylish, and comfortable living space. It offers the perfect combination of practicality and charm, with its adaptable two-bedroom layout, efficient single bathroom, and airy open concept living area. Whether you plan to use it as a primary residence, a guest house, or a rental property, this type of ADU is a smart investment that promises both immediate enjoyment and long-term value.

Inside this design

Inside the Santa Ana: Modern Cottage Style House Plan

Interior images from the designer. Click the main image to zoom.

Santa Ana: Modern Cottage Style House Plan interior
Bedroom
Bedroom
Bedroom
Interior
Bath
Bath
Specifications

What this plan is built from

Area

House area
795 sq ft
1st floor
795 sq ft

Foundation

Type
Slab

Dimensions

Width × Depth
20' × 41'
Height
15'
Stories
1

Interior

Ceiling height
9'

Walls

Framing
2x4

Roof

Primary pitch
14/12,
What you receive

The complete construction drawing set

Every plan ships as a reproducible PDF drawing set that you can take to any printer and copy as many times as you need. Editable CAD (.dwg) files are an optional extra rather than part of the package. Below is what arrives with every order.

  • Cover Sheet
  • Exterior Elevations
  • Foundation Plan
  • Floor Plans
  • Electrical Plan
  • Roof Plan
  • Typical Wall Section
  • Stair Section
  • Cabinet Drawings
  • Reproducible PDF
Optional add-ons
  • 2x6 Exterior Walls +$299
  • Basement Foundation +$299
  • Crawlspace Foundation +$299
  • Walkout Foundation +$299
  • Reverse Reading +$299
  • Site Plan +$299
  • CAD Files (.dwg) +$599
  • Unlimited Build License (Includes CAD Files) +$999
  • PDF & Physical Prints (per set) +$59
  • Material List +$299

Advanced House Plans draws to Omaha, Nebraska building codes, so some changes may be needed to meet your local standards, and areas prone to earthquakes or hurricanes may require review by a local engineer. Plans are not pre-stamped; a structural engineer's stamp is offered for all 50 states and Canada as a checkout option and takes one to three weeks. The blueprints do not include detailed HVAC or plumbing layouts, which are set by local code and your subcontractors, and they assume prior construction knowledge rather than serving as a step-by-step build guide.

Purchase this plan on Advanced House Plans →
Orders are processed in three to five business days. Every plan includes a reproducible PDF you can take to any printer and copy as many times as you need; printed and bound sets ship free by UPS Ground anywhere in the US or Canada. A purchase licenses one build unless you add the unlimited build license.
Alter this house plan

Want changes? The quote is free.

If you like Santa Ana but a few changes would make it perfect, Advanced House Plans can alter it. Every plan is drawn in house, so the people who change it are the people who designed it. The most common changes are priced up front on the plan page, and anything beyond those gets a free written quote.

Drawn in house

Every plan is designed by Advanced House Plans themselves, so an alteration goes straight to the original designer instead of through a third-party drafting service.

Free quote in one business day

Send an alteration request from the plan page and a written quote comes back within one business day. If you accept it, they send an online contract to sign and pay. Nothing is owed for the quote itself.

Common changes priced up front

Exterior wall type, foundation, a reversed plan, a site plan, editable CAD files and an unlimited build license are all priced on the plan page itself. The options and prices that apply to this plan are listed above.

Get a free alteration quote →
Continue on Advanced House Plans and use the Alter Plan button under the images to send your request.
Cost to build

What will it cost to build this house plan?

Plan price is one number. Construction cost is the number that decides whether you build. Advanced House Plans runs a free Cost Estimator on every plan page: enter a zip code and it prices Santa Ana against real local new-construction records.

Free
instant estimate, on the plan page
Local data

Your zip code, real records

The estimator pulls real estate records for new construction in your area to get an all-in cost per square foot, which includes builder fees, excavation, realtor fees and even lot cost.

Plan-specific

Adjusted for this plan

That cost per square foot is applied to this plan's total finished area, then adjusted for features the average does not cover, such as extra garage space and large covered porches or patios.

A range, not a promise

Low to high, by finish level

The result is a range you can move by choosing a finish quality. Advanced House Plans is explicit that it is a ballpark, not a number to use for financing or to hold a builder to. For that, get the plan bid by a contractor.

Run the free cost estimate →
The estimator runs on the Advanced House Plans plan page, free and with no account.
Plan and images courtesy of Advanced House Plans. Pricing and specifications subject to change at merchant. View the official Advanced House Plans listing for current details.