Land Title Guarantee Company Share: Title Companies Land Title Guarantee Company Visit Website Request Info 916 S. Main St., Ste. 301 Longmont, CO 80501 303-682-4081 303-682-4096 (fax) www.longmonttitle.com About Map About Colorado-based title company serving the Colorado real estate industry since 1967. What's Nearby? Distance: 5 10 15 20 25 50 mi.