Accessory Dwelling Units (ADUs)

Serving Columbia County, OR Area

1-Year Workmanship Warranty 

Free Estimates

Competitive Pricing

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Enhance Your Property With an Accessory Dwelling Unit Today!

Accessory Dwelling Units (ADUs) give Columbia County homeowners a flexible way to expand living space and potentially boost property value. If you're interested in building a guest house, creating rental income, or providing private space for family members, Colin's Custom Builds crafts ADUs that perfectly match your existing property. Our team manages every detail of your ADU project with skill and dedication.

  • Studio ADUs
  • One-bedroom ADUs
  • Two-bedroom ADUs
  • Detached backyard cottages
  • Garage conversions
  • Basement ADUs
  • Above-garage apartments
  • Multi-purpose ADUs


Curious about how an ADU could benefit your property?
Reach out to us today for personalized guidance on your project.


ADUs: Smart Solutions for Modern Homeowners

Homeowners across the Columbia County, OR area are discovering the practical benefits of adding an ADU to their property. These compact living spaces address numerous needs while providing valuable advantages:

  • Independent living space for aging parents or adult children
  • Additional rental income opportunities
  • Enhanced property value
  • Better use of yard or garage space
  • Housing for caregivers
  • Dedicated home office or studio space
  • Private accommodations for guests
  • Future accessibility planning


ADUs offer a smart investment that grows with your changing needs. From generating rental income now to providing accessible living space in the future, these versatile structures deliver ongoing value for years.


Why Choose Colin's Custom Builds

Partnering with Colin's Custom Builds for your ADU project means working with builders who value quality at every stage. Our approach blends skilled craftsmanship with attentive service:

  • Careful attention to detail throughout construction
  • Responsive customer service during your project
  • Quality building materials for lasting results
  • Deep understanding of local community needs
  • Full licensing and insurance protection (CCB 227971)
  • Clear, competitive pricing without hidden fees
  • South County Chamber of Commerce member
  • Free estimates within 1-2 business days
  • 15+ years of industry experience
  • Locally and family owned since 2019
  • Detailed project timelines with every estimate
  • Comprehensive 1-year workmanship warranty
  • Complete permit handling
  • Price matching with written quotes


Our team plans each ADU project carefully, considering zoning regulations to ensure your new space meets local requirements while maximizing usefulness. We collaborate with you to design a space that fulfills your needs and complements your existing property.


Contact Us

Building an ADU is a valuable addition to your property, and selecting the right contractor is crucial to your success. Colin's Custom Builds delivers reliability and craftsmanship to every project in Columbia County. From initial design ideas through final inspections, our team provides guidance and support throughout the building process.


Interested in planning your ADU project?
Contact us today to schedule a consultation and learn how we can create the ideal additional living space for your property.

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colins-custom-builds
SAVE $500 TODAY!
Sign your custom build contract today and instantly receive $500 off your project cost. Colin's Custom Builds delivers quality craftsmanship with immediate savings.
Call now to schedule your free consultation!

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

colins-custom-builds
SAVE $500 TODAY!
Sign your custom build contract today and instantly receive $500 off your project cost. Colin's Custom Builds delivers quality craftsmanship with immediate savings.
Call now to schedule your free consultation!

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

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colins-custom-builds
SAVE $500 TODAY!
Sign your custom build contract today and instantly receive $500 off your project cost. Colin's Custom Builds delivers quality craftsmanship with immediate savings.
Call now to schedule your free consultation!

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

colins-custom-builds
1-Year Workmanship Warranty
We stand behind our craftsmanship with a full year of protection. Your home deserves nothing less than quality that lasts.
Get quality construction with peace of mind

Related Services


Reviews


colins-custom-builds
1-Year Workmanship Warranty
We stand behind our craftsmanship with a full year of protection. Your home deserves nothing less than quality that lasts.
Get quality construction with peace of mind

Related Services