License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
Insured
Workers' comp coverage on file
Clean record
No complaints or disciplinary actions
Hiring this contractor?
Get alerts if their license status changes.
You're monitoring this license!
We'll email you if the license status, bond, or complaint history changes.
Something went wrong
Is this your business?
Claim your profile to manage your listing.
Claim request submitted!
We'll be in touch at the email you provided to verify your identity.
Something went wrong
CHALLENGE ROOTER
- License Number
- 1008865
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 1472 71ST AVENUE OAKLAND, CA, 94621 Alameda County
- Phone
- (510) 877 2050
License Dates
Issued
11/10/2015
Expires
03/31/2027
Expires in 12 months
Reissued
03/19/2019
CSLB Last Updated
11/18/2025
License Classifications
Personnel & Officers
CALMO PEREZ EUCEBIO
Responsible Managing Officer/Chief Executive Officer/President
Contractor Bond
Amount: $25,000
Company: AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond #100641600
Effective: 01/01/2023
Workers' Compensation
Carrier: EVEREST PREMIER INSURANCE COMPANY
Policy #7600027533251
Effective: 11/18/2025
Expires: 11/18/2026
CSLB designation: Workers' Compensation Insurance
Complaints & Disciplinary History
This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.
Building Permits
Source: LA City Open Data (LADBS)
otc alterations permit
369 Union St, 94133
excavate area at sidewalk to replace p-trap sewer. insal lnew p-trap from sidewalk to apartment building no work to building exterior facade
$7,500
2017-11-16
Verify this record on the official state licensing board
View on Contractors State License Board (CSLB) →Learn how to verify contractor licenses in California
California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.
Verify Another Contractor
Homeowner Resources
Other Licensed C42 in OAKLAND
BROADWAY MECHANICAL - CONTRACTORS INC
License #584263 · CA
KNOX SEWER AND BACKHOE SERVICE INC
License #659212 · CA
WILLIAMS UNDERGROUND CONSTRUCTION INC
License #787857 · CA
CLARK HARRY PLUMBING AND HEATING INC
HARRY CLARK PLUMBING AND HEATING INC
License #792463 · CA
CAL BAY PLUMBING
License #1026533 · CA