Located in California's North Bay region, Fairfield is home to Travis Air Force Base, one of the largest military air terminals in the United States. Positioned strategically between San Francisco and Sacramento along Interstate 80, the city offers suburban living with metropolitan accessibility. Major employers include Northbay Healthcare and the Jelly Belly Candy Company's headquarters, which also operates one of the area's most popular tourist attractions.

The Green Valley area features upscale properties near the Paradise Valley Golf Course, while the Rancho Solano district is known for its homes set amid rolling hills and mature landscaping. The Fairfield-Vacaville Hannigan Station provides direct train service to the Bay Area, making it convenient for residents commuting to major employment centers. With a median household income of $90,541, Fairfield's housing market includes a mix of single-family homes and townhouse communities. The Mediterranean climate encourages outdoor recreation, supported by facilities like the Allan Witt Sports Complex and the Linear Park Trail system, which spans over 3 miles through the heart of the city.