Environmental Science Associates Share: Environment Environmental Science Associates Visit Website 2600 Capitol Ave. Ste 200 Sacramento, CA 95816-5928 (916) 564-4500 (916) 564-4501 (fax) LinkedIn Facebook About Map About ESA, an environmental science and planning firm, has been helping clients make informed decisions, developing innovative and workable solutions for development and restoration projects for more than 4 What's Nearby? Distance: 5 10 15 20 25 50 mi.