Cronen Building Co. is an expert ADU builder specializing in granny flats, garage conversions, backyard cottages, and detached ADUs. They deliver custom accessory dwelling units that boost property value and functionality.

Cronen Building Co., Portland, OR

About Cronen Building Co.

Accessory Dwelling Units for Smart Living

Accessory Dwelling Units (ADUs) are an increasingly popular way to maximize a property's potential by adding functional, self-contained living space. Whether referred to as granny flats, backyard cottages, or garage apartments, these versatile structures create private spaces suitable for family members, guests, or renters. As an experienced ADU builder, Cronen Building Co. helps homeowners explore the full range of possibilities — from converting an existing area into a livable unit to constructing a brand-new detached structure on the property.

These housing solutions integrate seamlessly with the existing home and surrounding neighborhood, offering a flexible approach to modern living. Whether the goal is generating rental income, accommodating aging family members, or simply expanding the household's footprint, an accessory dwelling unit can be tailored to meet a wide variety of needs.

Custom ADU Construction by Experts

Cronen Building Co. specializes in designing and constructing ADUs that complement existing homes while meeting the specific needs of each homeowner. As a dedicated ADU contractor, their team works closely with clients throughout every stage of the process — from initial design concepts through to the final build.

Their approach combines skilled craftsmanship with careful attention to detail, ensuring that every unit is built to last while maintaining both style and functionality. Each project reflects a commitment to quality and precision, with a focus on creating spaces that feel comfortable, efficient, and well-integrated with the surrounding structure.

As a trusted garage conversion contractor and backyard cottage builder, Cronen Building Co. handles a range of ADU types, giving homeowners the flexibility to choose the solution that best fits their property and lifestyle goals. Their expertise extends to both attached and detached ADU construction, making them a versatile partner for any accessory dwelling unit project.

Build Your ADU with Confidence

Cronen Building Co. brings together experience, craftsmanship, and a genuine commitment to preserving the architectural integrity of the neighborhoods they work in. Every aspect of the construction process is managed by their skilled team, ensuring a smooth and professional experience from start to finish.

Homeowners looking to add a granny flat, an in-law suite, or any other type of accessory dwelling unit to their property can rely on Cronen Building Co. to deliver results that enhance both the functionality and value of their home. Their reputation as a dependable accessory dwelling unit builder is built on a foundation of quality work and client-focused service.

For those ready to start an ADU project, Cronen Building Co. is available to discuss the vision and help turn it into a functional, stylish addition to the property.

Services

Cronen Building Co. performs the following services

  • Architecture & Design
  • Construction
  • Finishing & Fit-out

Specifics

Location

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