Our Core Service

ADU Design-Build Services

From initial concept to move-in day, we provide comprehensive design-build services for accessory dwelling units across Portland, Vancouver, and coastal Oregon.

Comprehensive ADU Solutions

An accessory dwelling unit is one of the smartest investments Portland and Vancouver homeowners can make. Whether for rental income, multigenerational living, or a home office, our full-service approach removes the complexity from ADU development.

Detached backyard ADUs up to 800 sq ft (Portland) or 1,000 sq ft (Vancouver)

Attached ADUs sharing a wall with your primary residence

Basement conversions up to 1,000 sq ft in Portland

Custom designs optimized for your lot and lifestyle

Energy-efficient and sustainable building practices

ADA-accessible and aging-in-place options

Our Design-Build Process

A streamlined process that takes the stress out of ADU construction.

Consultation & Feasibility

Free site visit, discuss your goals, assess zoning, and review ADU regulations for your property.

Design & Planning

Custom architectural plans, 3D renderings, and material selections tailored to your vision and budget.

Permitting

We handle all permit applications, SDC waiver paperwork, and city approvals.

Construction

Expert construction with regular updates. On-time, on-budget delivery with quality craftsmanship.

Pricing Guidance

ADU costs vary based on size, type, site conditions, and finishes. Here are general ranges for the Portland-Vancouver area:

Garage Conversion

$120,000 - $180,000

Most cost-effective option

Attached ADU

$150,000 - $250,000

Shares wall with primary home

Detached New Build

$180,000 - $350,000+

Basement Conversion

$140,000 - $250,000

Up to 1,000 sq ft in Portland

View Detailed Pricing

Get Your Free ADU Estimate

Tell us about your project for a personalized consultation.