1. Content. The Political Climate in Zip 94803 (El Sobrante, CA) is Somewhat liberal. Compare Cable TV and Internet Deals in El Sobrante, CA ... no stores were found near zip code 94803 for the provider selected. This property has a lot size of 707 sqft and was built in 1973. Each El Sobrante California zip code has a center Longitude / Latitude point (the El Sobrante center is -122.29499816895 / 37.978099822998). Moving to or from El Sobrante, CA 94803?Get FREE truck rental rate quotes at El Sobrante Arco. This home was built in 1940 and last sold on 4/4/2020 for $639,999. ft. single-family home is a 2 bed, 1.0 bath property. Contra Costa County, CA is Moderately liberal. ZIP Code 5: 94820 - EL SOBRANTE, CA . According to the United States Census Bureau, the CDP has a total area of 2.8 square miles (7 km 2), all of it land.. El Sobrante is unincorporated and lies within Contra Costa County.Main roads include San Pablo Dam Road (a major road running from Richmond and San Pablo, through El Sobrante, past EBMUD's San Pablo Reservoir), Valley View Road and Appian Way. El Sobrante, CA at El Sobrante Arco. ZIP stands for "Zoning Improvement Plan". Its detail City, State, Plus 4, Population is as below. AT&T Authorized Retailer. What is my full zip code of 94820? Apartments For Rent in the 94803 ZIP Code of El Sobrante, CA - See official floorplans, pictures, prices and details for available El Sobrante apartments in 94803 at ApartmentHomeLiving.com. The 992 sq. Moving Truck Rental in . Zip code 94803 is primarily located in Contra Costa County. Zip Code 94820 - El Sobrante CA California, USA - Contra Costa County This property has 1 bedroom, 1 bathroom and approximately 680 sqft of floor space. Track air pollution now to help plan your day and make healthier lifestyle decisions. This condo is located at 4740 Appian Way, El Sobrante, CA. Below is a list of El Sobrante CA zip codes.For your research we have also included El Sobrante Area Code, Time Zone, UTC and the local Contra Costa County FIPS Code. Compare the top cable TV and internet providers in El Sobrante, CA to find the best plans, packages, and availability in your area. 4740 Appian Way is in El Sobrante, CA and in ZIP code 94803. This is the 94820 full ZIP Code page list. Portions of zip code 94803 are contained within or border the city limits of Richmond, CA, El Sobrante, CA, Pinole, CA, East Richmond Heights, CA, and San Pablo, CA. US California; Contra Costa County; El Sobrante; 94803 . Localized Air Quality Index and forecast for El Sobrante, CA. In Contra Costa County, CA 67.5% of the people voted Democrat in the last presidential election, 24.5% voted for the Republican Party, and the remaining 8.0% voted Independent.. Contra Costa county voted Democratic in the previous five Presidential elections. In most cases a ZIP Code is a geographic region with a center point. Geography. View more property details, sales history and Zestimate data on Zillow. Information for 94803, El Sobrante California state - population, growth, income, time zone, area codes on localistica.com 557 Rincon Rd , El Sobrante, CA 94803-1630 is currently not for sale. U-Haul rental trucks are specifically engineered from the ground up to assist moving families, not freight. The official US Postal Service name for 94803 is EL SOBRANTE, California. El Sobrante, CA .