13 Lots for sale in Fairfield Professional Office Park. Lots 1,2,3 are each for sale for $125,000. lots 7,8,9,10 and 13 are each for sale for $150,000. lot 11 is $165,000. lot 12 is $195,000. lots 14 & 15 are each for sale for $175,000. lot 16 is for sale for $225,000. owner could hold a mortgage, built to suit, or allow another builder to build out the office as long as the building complimented the existing office buildings that are in place.