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Conco Commercial Concrete Contractors
The Conco Companies got their start in 1959 by offering clients the best value on a wide range of concrete services and products. Since that time, we have steadily taken a leading role as one of the top commercial concrete contractors in the Western United States. Our extensive experience includes public sector work as well as parking structures, educational buildings, high-rises, and other commercial construction. Whether you’re looking for concrete building design, rebar fabrication or shotcrete applications Conco can handle it all. We understand the trust customers place in us once they choose our services, which is why we approach each project as a partnership from concept right through to completion. At Conco we take pride in meeting or exceeding goals, minimizing problems and to staying on budget. To complement our range of services, we offer crane rentals as well construction hauling services and operate one of the largest concrete pumping companies in the U.S.
From BuildZoom: Conco Commercial Concrete Contractors, 5141 Commercial Cir, Concord, CA (Employee: Barry Silberman) holds a Construction Contractor, Construction Contractor license and 6 other licenses according to the Washington license board.
Their BuildZoom score of 102 ranks in the top 11% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Conco Commercial Concrete Contractors, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Conco Commercial Concrete Contractors Services
Conco Commercial Concrete Contractors Contact Information
Building Permits by Conco Commercial Concrete Contractors
This is a sample of this contractor's permits. Click here to access their complete permit history.
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Conco Commercial Concrete Contractors License info
Verified License
| License # | CONCOSL800RJ |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Concrete Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Conco Commercial Concrete Contractors at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CONCOCC044LS |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Concrete Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Conco Commercial Concrete Contractors at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CONCOPI044LS |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Concrete Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Conco Commercial Concrete Contractors at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 643402 |
| Status | Active |
| State | California |
| Type | Concrete Related Services |
| Business Type | Concrete Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Conco Commercial Concrete Contractors at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 643402 |
| Status | Inactive |
| City | Butte County |
| Type | Contractor |
| Business Type | Concrete Contractor |
- According to the Butte County, CA, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Conco Commercial Concrete Contractors at the Butte County, CA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 620940 |
| Status | Inactive |
| State | California |
| Type | Concrete Related Services |
| Business Type | Concrete Contractor |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Conco Commercial Concrete Contractors at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 982623 |
| Status | Inactive |
| State | California |
| Type | Steel, Reinforcing |
| Business Type | Concrete Contractor |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Conco Commercial Concrete Contractors at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Insured
| Insurer | Travelers Property |
Bonded
| Bonded Agent | Travelers Casualty & Surety Company Of America |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Travelers Property Casualty Company Of America |
22
Permits
- Building permit records show that Conco Commercial Concrete Contractors has worked on 22 permitted projects.