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Business ProfileHome Builders in Beaverton, Oregon

Coastal ADU

Listed in Beaverton 2 reviews(503) 241-5361

Coastal ADU

Coastal ADU designs and builds accessory dwelling units in Beaverton, Oregon. Its Beaverton approach starts with site analysis and specifies fiber cement siding and high-efficiency windows.

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Business Highlights
  • Coastal ADU describes itself as licensed and insured and lists CCB #234567.
  • Coastal ADU describes itself as locally owned.
  • Coastal ADU offers a free site consultation for every project.

Service Area

Beaverton, Portland, Tigard, Hillsboro, Aloha, Lake Oswego and Sherwood.

Active Business Listing

Coastal ADU is one of 11 home builders ProsGrade lists in Beaverton, Oregon.

Active
Public local listing
Listing details

10 services listed, including Attached ADU, Detached ADU and Garage conversion. Open 7 days a week. 2 reviews.

  • Verified listing details
  • Service information
  • Customer review signals
  • Photo gallery
  • Public contact information
  • Published local profile

How This Business Compares

How Coastal ADU compares with the other 10 home builders on ProsGrade in Beaverton, using public Google ratings and review counts.

  • One of 11 Beaverton home builders on ProsGrade.

Services Covered

10 services
  • Attached ADUgarage, basement or unused-addition conversions
  • Detached ADUstandalone unit; own foundation, framing, roofing and utility connections
  • Garage conversionstructural reinforcement, foundation work, new electrical and plumbing systems, insulation, and interior and exterior finishing
  • ADU permittingarchitectural, structural and site plans for City of Beaverton review
  • ADU designarchitectural plans, structural drawings and material specifications
  • ADU engineeringstructural design and analysis
  • ADU financingconstruction loans, home equity lines of credit, cash-out refinances and specialized ADU loans
  • ADU construction managementpre-construction planning, subcontractor coordination, on-site supervision and project closeout
  • Junior ADU (JADU)within an existing single-family home; may use an unused bedroom or attached garage
  • ADU site assessmentzoning, utilities and site constraints; feasibility review

Reviews

Customer Reviews

Jose Lopez

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Jim Boney

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Frequently Asked Questions

How long does a Beaverton ADU project typically take?

An ADU build typically takes 8 to 14 months from initial design to final occupancy. Site conditions, utility connections and city review speed can affect the duration.

What information does Coastal ADU use for an ADU design?

The design process uses the property address, a recent survey if available and existing architectural plans. The company also asks about intended use and preferred bedroom and bathroom counts.

How does Coastal ADU handle city requests to revise permit plans?

It manages revisions based on plan-reviewer comments and coordinates with departments such as public works or fire.

How does Coastal ADU handle project scope or material changes?

Proposed changes are documented, priced and approved before implementation.