The Colorado Senate is comprised of 35 Senators who are elected to four-year terms. Each Senator is limited to serving two consecutive terms. The President presides over the Senate during the legislative session, after being chosen by the majority caucus and subsequently elected to that office by a majority vote of all the members of the Senate. Legislative session begins no later than the second Wednesday in January and lasts up to 120 calendar days. Watch live legislative video on the Colorado Channel, or tune in to live audio of the Senate and Senate Committees of Reference. Watch & Listen Address200 E Colfax RM 346Denver, CO 80203United StatesGet DirectionsPhone303-866-2316 Contact Information Senate Chamber Restoration Project Quick Links Find My Legislator Book a Tour Find a Bill How a Bill Becomes a Law