Extreme Terrain Solutions, A General Engineering Contractor in Kelseyville, CA
Extreme Terrain Solutions operating as a sole owner holds an active California contractor license (CSLB #1031281), valid through Sep 30, 2027. First issued in 2017, the license has been on the CSLB roster for 9 years. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Kelseyville, in Lake County, California.
- License Number
- 1031281
- Issued
- Sep 25, 2017
- Status
- CLEAR
- Expires
- Sep 30, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100814031
- Effective
- Nov 10, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Sep 26, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Extreme Terrain Solutions licensed in California?
Yes. Extreme Terrain Solutions holds California Contractors State License Board license number 1031281, which is active and in good standing. The license was first issued on September 25, 2017. It is valid through September 30, 2027.
What does Extreme Terrain Solutions specialize in?
Extreme Terrain Solutions is licensed for one CSLB classification: A General Engineering Contractor.
Where is Extreme Terrain Solutions headquartered?
Extreme Terrain Solutions is headquartered at 7477 Harrington Flat Rd, Kelseyville, CA 95451, in Lake County, California.
Does Extreme Terrain Solutions have an active surety bond on file with CSLB?
Yes. Extreme Terrain Solutions has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Extreme Terrain Solutions carry workers' compensation coverage?
Extreme Terrain Solutions reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Extreme Terrain Solutions's contractor license?
You can verify Extreme Terrain Solutions's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1031281.
- License issuedSep 25, 2017
- Bond activeNov 10, 2023
- WC coverage startsSep 26, 2025
- License expiresSep 30, 2027
- J D M Earth Works#1026461Kelseyville·A General Engineering Contractor
- D and K Engineering#1023796Middletown·A General Engineering Contractor
- Northern Industrial Construction#1018293Kelseyville·A General Engineering Contractor
- Western General Engineering#1018635Kelseyville·A General Engineering Contractor
- Radcon INC#997005Lakeport·A General Engineering Contractor
- Tim Mulder#993236Clearlake Oaks·A General Engineering Contractor
- C K Excavating and Demolition#987525Middletown·A General Engineering Contractor
- H D Excavating#985724Lower Lake·A General Engineering Contractor
Working a California job with Extreme Terrain Solutions, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Extreme Terrain Solutions? Claim or correct this profile