Coastal Construction LLC
Licensed general contractor in Seattle, Washington
Coastal Construction LLC holds Washington L&I licence COASTCL850RC, active, licensed since 3 Dec 2015, rated 4.9 from 34 Google reviews. Bonded for $30,000 with Lexon Ins Co. No complaints on the Washington L&I record.
Report card
- Licence activeWashington L&I #COASTCL850RC, General. Issued 3 Dec 2015, expires 26 Jan 2028.
- Licensed 11 yrsSince 3 Dec 2015.
- Bonded$30,000 with Lexon Ins Co, since 23 Apr 2025. Washington sets the bond by licence type ($30,000 for a general contractor, $15,000 for a specialty contractor, $4,000 for an electrical contractor), so the amount shows the kind of licence, not the size or quality of the business.
- Liability insuredCanopius Us Insurance Inc, $1,000,000, valid to 11 Sep 2027.
- No complaintsNone on the Washington L&I record.Washington L&I record
- 3 building permits since 2020Naming this business as the contractor (City of Seattle), most recently 18 Apr 2023.
Checked against the Washington State Department of Labor & Industries (L&I) register on 4 Nov 2026.
Google reviews
4.9(34 reviews)Sage★★★★★ 5 months agoView on Google
We worked with Danny and Mark on our major remodel in 2022. They were fantastic to work with. Their subcontractors are amazing and they provide professional and fun feedback and help. We had an elevator installed and they did a super job. We still use their HVAC person for maintenance. We would highly recommend them for any job. They are trustworthy and fair. And just good people. We just had a question about …
bruce parker★★★★★ 3 months agoView on Google
I have worked with Coastal Construction on over a dozen new DADU builds. Over the last few years they have become my go to builder for their seemingly unmatched value. They have a great construction process that streamlines communication and planning. There experience allows them to establish accurate budgets at the beginning of the project. Their process allows them to complete projects on time and on budget.
Nupur Garg★★★★★ 2 months agoView on Google
If you’re looking for a hardworking, honest, fair, and talented team, look no further. Coastal renovated our kitchen, three bathrooms, and flooring in a 3500+ sq foot home. It was no small feat. We had such a wonderful experience with them and feel incredibly lucky to have had them renovate our home. This was a big project for our family, and when you spend this many months working with a team, the people involved re…
Angela Herndon★★★★★ 7 months agoView on Google
After putting off a big project for several years, we were delighted to move forward with Coastal. Our remodel went really well from day one. We appreciated how their pricing model worked, how we were always in the loop with the management software, frequent communication and all around good people. The Coastal team was excellent - from Danny who initially bid the work, our PM Zach and our design specialist, Jordyn,…
Dan Margonelli★★★★★ a year agoView on Google
Coastal Construction recently completed the construction of our detached ADU which is a carriage house design consisting of a ground floor garage/shop and a second floor living unit. We feel very fortunate to have worked with the team at Coastal, Danny and Jordyn in the setup and planning phase, and Kipp and Mark during construction. We appreciated the high level of communication and their attention to details, bo…
Read all 34 reviews on Google Reviews and photos from Google, 4 Nov 2026.
Recent permits
Building permits pulled under licence #COASTCL850RC, from City of Seattle open data, which names contractors up to 3 Nov 2026. Locations are shown to ZIP code only.
- 18 Apr 2023 · Multifamily Trade · ZIP 98101Alterations to mechanical system of existing multifamily building, per plan, per plan.
- 22 Sep 2022 · Multifamily Building · ZIP 98101Change of use from business to apartment and construct alterations to unit #R3 of multifamily building and occupy per plan.
- 25 Jun 2021 · Multifamily Building · ZIP 98103Construct a URM "Bolts plus" seismic retrofit for a multifamily building per plan.
Why it ranks #123 of 2,055 general contractors in Seattle
Score 81.1 / 100. Claiming this listing or using Theo never changes it. How we rank
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