Bath Contractors. Researching the Best Kitchen & Bath Contractors in Contra Costa County. Only local companies independently rated Highest in Quality and Helpful Expertise earn Diamond. Contra Costa County Fences Diamond Certified Fine Line Fence, Inc. installs and repairs all types of Bethesda fences for residential, commercial, and government clients throughout the Bay Area. The familyowned and. Summary EMA Applications CEC_Number EMA Receipt Date Applicant Applicant Address Activity Activity Description Activity Location Status 0001/2001 8/27/2001 BG Trinidad and Tobago.