Mercury Construction

Licensed general contractor in Sylmar, Los Angeles, California

CSLB licence active4.6(21 reviews)

Mercury Construction holds CSLB licence 561978, active, licensed since 24 Mar 1989, rated 4.6 from 21 Google reviews. Bonded for $25,000 with American Contractors Indemnity Company. Clean CSLB record, with no citations, complaints or legal actions disclosed.

90score

Report card

  • Licence activeCSLB #561978, class B. Issued 24 Mar 1989, expires 31 Jan 2028.
  • Licensed 38 yrsSince 24 Mar 1989.
  • Bonded$25,000 with American Contractors Indemnity Company, since 1 Jan 2023. California requires the same $25,000 bond of every contractor.
  • Workers' comp insuredEverest National Insurance Company, policy 7600001257261, valid to 4 Feb 2027.
  • Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
  • 51 building permits since 2020Pulled under this licence (City of Los Angeles, LADBS), most recently 3 May 2023.

Checked against the Contractors State License Board (CSLB) register on 4 Nov 2026.

About Mercury Construction

People on the licence
Ron Tikosky (qualifier), Adi Cohen (officer)

Google reviews

4.6(21 reviews)
Tara Khorrami★★★★★ 8 months ago

We have worked with Mercury Construction for over 15 years. They are extremely professional and knowledgeable and go beyond your expectations on every project. Adi just recently finished my office and I am extremely happy with his work. He completed my building within four months and was so attentive to all of our needs. They deserve more than 5 stars!

Lawrence Fung★★★★★ a year ago

Ron and his team built my office almost 9 years ago and to this day it still looks brand new. His team was super professional and super helpful in managing what is generally a stressful experience. Dealing with city, subs, contractors is already hard enough, but Mercury Construction made it so seamless and can we say it...easy? Not only did they guide us through the process of working with the various architects/e…

Dr. Michelle To★★★★★ a year ago

I have used Mercury Construction for my 3 most recent dental office constructions and the quality is second to none. I would give it 6 stars if I could. Ron, the owner, is very meticulous and detail oriented. Every concern you may have with the construction, he has already had it thought out. His entire team is very knowledgeable, experienced and responsive to my needs. Mercury Construction has been on time with al…

Alexander Caloyeras★★★★★ a year ago

Adi of Mercury Construction helped us with the construction of one of our multifamily new construction projects - a 13 Unit Apartment Building in Mar Vista. He and his team were helpful not only in the building phase, but also looking a pre-construction issues and planning to make a smooth project once started. Since that project they have helped us with several others and have been a reliable resource and advisor …

Dino Gharibian★★★★★ a year ago

We updated out dental office and working with Ron and Mercury Construction was the best decision we made! The entire project was planned out in detail before any work was started. Ron is very detail oriented and has a great team working by his side to make sure the project runs efficiently. His team was professional and cleaned up after themselves. We are so happy to have worked with Ron on such an important project.…

Read all 21 reviews on Google Reviews and photos from Google, refreshed every 30 days.

Recent permits

Building permits pulled under licence #561978, from City of Los Angeles, LADBS open data. Locations are shown to ZIP code only.

  • 3 May 2023 · HVAC · ZIP 91605Commercial
  • 28 Apr 2023 · HVAC · ZIP 91605Commercial
  • 28 Apr 2023 · Electrical · ZIP 91605Commercial
  • 14 Apr 2023 · HVAC · ZIP 91356Commercial
  • 14 Apr 2023 · Plumbing · ZIP 91356Commercial

OSHA inspections

  • 7 Jul 2025 · Unprogrammed related0 violations · case
  • 27 May 2025 · Accident0 violations · case

US Department of Labor enforcement data, matched by business name and city.

Why it ranks #141 of 9,857 general contractors in Los Angeles

Years licensed weight 30100%
Complaint record weight 25100%
Bond and workers' comp weight 10100%
Google reviews weight 3570%

Score 89.6 / 100. Claiming this listing or using Theo never changes it. How we rank

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