Additional Dwelling Units

Additional Dwelling Units in Southern Oregon


Turn your back yard into a personal retreat!

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"GREAT COMMUNICATION, great customer service, HONEST, and quality work…highly recommend his work and INTEGRITY! - Molly J, Grants Pass

Modern Additional Dwelling Unit with window walls

Expand with Purpose! Build a dedicated ADU that fits your unique needs

Looking to add more living space that perfectly aligns with your lifestyle and needs? A dedicated Accessory Dwelling Unit (ADU) offers a flexible solution, allowing you to create a versatile area tailored just for you. Whether you envision a quiet home office, a cozy guest house, or an inspiring art studio, an ADU can accommodate your specific requirements while enhancing your property's functionality and value.


We believe that your living space should reflect your personal desires and adapt to your evolving life. We'll work closely with you from design to completion, ensuring every aspect of your ADU is crafted to meet your expectations. Our expertise in custom ADUs means we're not just building structures; we're creating environments that improve your quality of life and meet practical needs.


Ready to transform your property? Contact us today to discuss how we can help you achieve your vision with a custom-built ADU. Let's create a space that grows with you and for you.

Make It Your Own

Popular ADU Uses in Southern Oregon

Home Office

Design a dedicated workspace that offers peace and privacy. Ideal for professionals working from home, this space enables productivity away from household distractions, complete with all the office essentials.

Mother in Law Cottage

Provide a private and comfortable retreat for elderly family members. This cozy space offers independence with close access to family support, equipped with necessary amenities for daily living and comfort.

Art Studio / Creative Space

Establish a personal sanctuary perfect for artists seeking inspiration and solitude. This space is tailored for creativity, featuring ample natural light and room for all types of artistic tools and materials.

Gym / Yoga Studio

Equip a personal gym or tranquil yoga studio to suit your fitness routine. This private area can be customized with fitness equipment or a peaceful setting for yoga and meditation, enhancing your health and relaxation.

Rental Unit

Maximize your property’s potential by setting up a charming rental space. Ideal for generating additional income, this self-contained unit can attract long-term renters or vacationers looking for a comfortable stay.

Home School Studio

Create a structured and engaging learning environment for homeschooling. This quiet space is dedicated to educational activities, helping children focus on their studies without the usual home distractions.

Small Modern ADU

Get up to an 80% return on your investment with an ADU.

Investing in an Accessory Dwelling Unit (ADU) can significantly boost your property's value. According to a Realtor magazine article, homes with ADUs in major cities are valued on average 35% higher than those without. This addition not only enhances property appeal but also promises a high return on investment, with potential gains exceeding 80%.


ADUs are not only a practical extension of your living space but also a smart investment. They can serve as a potential source of rental income or increase your property value, making them a financially wise choice as well. Embrace the opportunity to enhance your home with a space designed for you and by you.


Why Choose Us for Your ADU Project?

  • Customized Solutions: Every ADU we build is tailored to the homeowner's specific needs and preferences. We design units that not only meet your requirements but also enhance your lifestyle.
  • Expert Integration: We ensure that your new ADU blends perfectly with your property’s style and surroundings, maintaining aesthetic coherence and property value.
  • Superior Craftsmanship: Our commitment to quality means we use only the best materials and construction techniques, guaranteeing that your ADU is durable and sustainable.


Let’s expand your home’s possibilities. Contact us today to explore how an ADU can transform your property and meet your evolving needs.

Pricing estimates based on typical remodels. Contact us for an exact quote.

Southern Oregon ADU Pricing

Home Office  or Studio

$37K+


  • 300-400 Sq Ft
  • Premium Vinyl Floor
  • Paint Grade Trim
  • Standard Windows
  • Standard Insulation
  • Standard Lighting
  • Standard Electrical


Average Time: 2 - 3 Weeks

One Bedroom

ADU

$75K+


  • 500-600 Sq Ft
  • Premium Vinyl Floor
  • Paint Grade Trim
  • Standard Windows
  • Standard Insulation
  • Standard Lighting
  • Standard Electrical
  • Kitchenette
  • Small Bath


Average Time: 3 - 4 Weeks


Premium MIL Suite

$120K+


  • 700-900 Sq Ft
  • Hardwood Floor
  • Stain Grade Trim
  • Standard Windows
  • Standard Insulation
  • Premium Lighting
  • Standard Electrical
  • Small Kitchen
  • Full Bath


Average Time: 4 - 6 Weeks


FAQs

Got a question? We’re here to help.

  • What is an ADU

    An ADU, or Accessory Dwelling Unit, is a secondary living space on the same lot as a primary residence, often referred to as granny flats, in-law units, or backyard cottages. These units include independent facilities for cooking, sleeping, and sanitation, providing flexible living options. They are ideal for rental opportunities or additional family space, and add significant value to your property. In Oregon, legislation supports homeowners' rights to build ADUs, enhancing property utilization and accommodating diverse living arrangements.

  • How much does it cost to build an ADU?

    ADU construction prices typically range from $100 to $150 per square foot for standard construction or $150 to $200 for premium materials and custom solutions. This covers everything from planning and permits to construction and finishing touches. Investing in an ADU can significantly enhance property value and provide a potential source of rental income. For a precise quote tailored to your specific project, it's best to consult directly with us.

  • How long will it take to build my ADU?

    New ADU construction typically takes from 3 to 6 weeks, though the timeframe can vary with the complexity and size of the project. 

  • Can I build an ADU in my Zoning?

    The answer is usually yes! In Oregon, most residential zoning districts must allow for the construction of ADUs, However, specific rules can vary by city or county.  There are typically limitations based on size, placement and shared utilities. Call us! We're happy to help you better understand the options in your area.

  • Will I need permits for my ADU?

    Yes, you will need permits to build an ADU. In addition all ADUs must be inspected to ensure compliance with building codes. We will handle the permitting process for you, ensuring that all paperwork is completed accurately and efficiently to avoid any delays in your project.

  • What are the size restrictions on an ADU?

    ADU Size and placement regulations vary by zone from county to county and from city to city within those counties.  You're typically restricted to somewhere between 800 and 1000 square feet. You may also be restricted by the size of your primary residence.  We're happy to walk you through the restrictions in your area to help you make the most informed decisions.

  • Are there restrictions on the uses of my ADU?

    In Oregon, ADUs are generally intended for residential use, which includes long-term housing, use as a guest house or personal use as an office, studio, etc.... Some cities and zones allow ADUs to be used or short-term rentals, others do not. Commercial use is typically not permitted. You should research local regulations for your specific needs. 

  • Can I finance construction of my ADU?

    Home additions can be financed through savings, home equity loans, home equity lines of credit (HELOCs), or personal loans. Some homeowners also choose to refinance their existing mortgage and cash out some of their equity to fund the addition.

Here's what customers say about 323 Construction

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323 did a great job building my garage. They were upfront with pricing and stuck to the timeline. I would highly recommend them for anything you need done!

Robert G, Southern Oregon

323 Construction is a fantastic Christian based company. They built my deck along with other requests from me. they are respectful, always on time, and no matter the job gives full attention until completion...

Linda, Grants Pass

Great communication, great customer service, honest, and quality work…highly recommend his work and integrity!

Molly J, Southern Oregon

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