Skip to main content
Featured
Pinnacle ADU Solutions
Richland, WA4.54.5(25 reviews)
About Pinnacle ADU Solutions
Specializing in ADU construction and related services in Richland, WA.
Services Offered
ADU ConstructionBackyard Cottage
Location & Service Area
Richland and surrounding areas
1 builder
Reviews(1)
4.54.5
N
Nancy Taylor
11/23/2025Highly recommend
We hired them for a garage conversion ADU. The quality of work exceeded our expectations. They handled all permits and inspections smoothly.
Garage ConversionShare Your Experience
Sign in to leave a review for Pinnacle ADU Solutions. Your feedback helps other homeowners make informed decisions.
Sign In to Write a ReviewADU Resources
SponsoredBoxablAffordable
Foldable ADU units starting at $50K. Compact, affordable casitas that unfold on-site in under a day.
VillaFeatured
Factory-built ADUs delivered to your site. Modern designs from 400–1,200 sq ft. Turnkey installation included.
MaxableRecommended
ADU planning made simple. Get matched with pre-vetted designers, check local ADU rules, and explore floor plans.