The cost to County of completing Contractor's performance shall be deducted from any sum due Contractor under this Contract, without prejudice to County's. Contact us online or call (925) 319-5791 to learn more about how our Brentwood legal services can benefit you.Get a Contra Costa Lawyer Referral. Call us toll-free at (800) 215-1190. You will need the original and two copies (make sure you sign the SC100 and include all 6 pages). For your business and commercial law needs, call our Lafayette legal practice at 925-951-0796 to arrange your low-cost half-hour consultation. How do I get credit for watching videos? Experienced contracts lawyers in Contra Costa County, CA. Learn more about secure and enforceable contracts. Your trust is our top concern, so businesses can't pay to alter or remove their reviews. Learn more about reviews.