Kainos Contracting LLC

Licensed general contractor in Vancouver, Washington

Washington L&I licence active4.0(4 reviews)

Kainos Contracting LLC holds Washington L&I licence KAINOCL755NJ, active, licensed since 11 Aug 2025, rated 4.0 from 4 Google reviews. Bonded for $30,000 with Travelers Cas and Surety Co of America. No complaints on the Washington L&I record.

54score

Report card

  • Licence activeWashington L&I #KAINOCL755NJ, General. Issued 11 Aug 2025, expires 11 Aug 2027.
  • Licensed 1 yrSince 11 Aug 2025.
  • Bonded$30,000 with Travelers Cas and Surety Co of America, since 8 Aug 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 insuredState National Ins Co Inc, $1,000,000, valid to 22 Jun 2027.
  • No complaintsNone on the Washington L&I record.Washington L&I record

Checked against the Washington State Department of Labor & Industries (L&I) register on 4 Nov 2026.

Google reviews

4.0(4 reviews)
melissa woodard★★★★★ 11 months agoView on Google

Working with Kainos Contracting was such a positive experience. They handled everything with honesty and care, answered all my questions, and made sure all our home needs were taken care of. I had good conversations with them throughout the process, and everything was simple and easy. The work turned out amazing, and I’m really happy with the result. I would recommend them to anyone looking for trustworthy, high-qual…

Konstantin Dryuk★★★★★ a year agoView on Google

One of the best contractors in the PNW. Most reliable and most cost efficient out there. He’s really diligent in the work he does and charges a fair amount. I’m really happy with all the work he’s done for me and my family. I’ve been really busy with work and every project my wife wanted done he got it finished for a good rate. 10/10

Gracious Pour Coffee Co★★★★★ 11 months agoView on Google

A very reliable and efficient company, their work was done very well, very pleasant to work with, would definitely recommend

French Lady★★★★★ a month agoView on Google

I WOULD NOT HIRE KAINOS CONTRACTING LLC / MIKHAIL GULYAYEV. In my opinion the dealings with me were unethical. Particularly their BUSINESS PRACTICES AND WITHHOLDING DEPOSIT FUNDS. I am a widowed senior citizen and had a deeply distressing experience with Mikhail Gulyayev, a partner at Kainos Contracting LLC. He deliberately in my opinion used what I learned later could be construed as affinity fraud—building a false …

Read all 4 reviews on Google Reviews and photos from Google, 4 Nov 2026.

Why it ranks #240 of 870 general contractors in Vancouver

Years licensed weight 306%
Complaint record weight 25100%
Bond weight 10100%
Google reviews weight 3550%

Score 54.4 / 100. Claiming this listing or using Theo never changes it. How we rank

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