Colorado Revised Statutes

Colo. Rev. Stat. § 18-10-103 (2026)

Gambling - professional gambling - offenses

✓ current as of July 2026
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(1) A person who engages in gambling commits a petty offense.

(2) A person who engages in professional gambling commits a class 2 misdemeanor.

Source: L. 71: R&RE, p. 478, § 1. C.R.S. 1963: § 40-10-103. L. 2021: Entire section amended, (SB 21-271), ch. 462, p. 3208, § 338, effective March 1, 2022. L. 2023: (2) amended, (HB 23-1293), ch. 298, p. 1791, § 42, effective October 1.

Notes of Decisions
Cited in 7 cases, 1978–1989 · leading case: Brownlee v. State, Dep't of Revenue, Exec. Dir., 686 P.2d 1372 (Colo. Ct. App. 1984).
Brownlee v. State, Dep't of Revenue, Exec. Dir., 686 P.2d 1372 (Colo. Ct. App. 1984). · cites it 6× “8) and that the plaintiff engaged in gambling in violation of § 18-10-103(1), C.R.S. (1978 Repl.Vol. 8), engaged in professional gambling in violation of § 18-10-103(2), C.”
United States v. Mosko, 654 F. Supp. 402 (D. Colo. 1987). · cites it 4× “C.R.S. § 18-10-103(2). A “repeating gambling offender” is [A]ny person who is convicted of an offense under section 18-10-103(2) or sections 18-10-105 to 18-10-107 within five years after a previous misdemeanor conviction under these sections .”
Charnes v. Cent. City Opera House Ass'n, 773 P.2d 546 (Colo. 1989). · cites it 3× “The Opera House Association and the Brown Palace Hotel obviously are “persons” for purposes of the statutory proscription in section 18-10-103, which forbids a “person” from engaging in gambling or professional gambling, but clearly are not “natural persons” for purposes of the…”
People ex rel. Brown v. Dist. Court, 585 P.2d 593 (Colo. 1978). “On April 7, 1978, the defendants Dave Pinelli, Phil Pinelli and Tom Harkness were indicted for professional gambling and conspiracy pursuant to sections 18-10-103 and 18-2-201, C.R.S. 1973.”
People v. Miller, 604 P.2d 36 (Colo. 1979). “8), and professional gambling, sections 18-10-103(2) and 18-10-102(8), C.”
Cent. City Opera House Ass'n v. Charnes, 743 P.2d 58 (Colo. Ct. App. 1987). · cites it 2× “For purposes of the offenses set out in § 18-10-103, C.R.S. (1986 Repl. Vol. 8B), “gambling” is defined in § 18-10-102(2), C.”
People ex rel. Brown v. Dist. Court, 585 P.2d 593 (Colo. 1978). “On April 7, 1978, the defendants Dave Pinelli, Phil Pinelli and Tom Harkness were indicted for professional gambling and conspiracy pursuant to sections 18-10-103 and 18-2-201, C.R.S. 1973.”
— Colo. Rev. Stat. § 18-10-103(1) — 2 cases
Brownlee v. State, Dep't of Revenue, Exec. Dir., 686 P.2d 1372 (Colo. Ct. App. 1984). “8) and that the plaintiff engaged in gambling in violation of § 18-10-103(1), C.R.S. (1978 Repl.Vol. 8), engaged in professional gambling in violation of § 18-10-103(2), C.”
Charnes v. Cent. City Opera House Ass'n, 773 P.2d 546 (Colo. 1989). “The Opera House Association and the Brown Palace Hotel obviously are “persons” for purposes of the statutory proscription in section 18-10-103, which forbids a “person” from engaging in gambling or professional gambling, but clearly are not “natural persons” for purposes of the…”
— Colo. Rev. Stat. § 18-10-103(2) — 3 cases
United States v. Mosko, 654 F. Supp. 402 (D. Colo. 1987). “C.R.S. § 18-10-103(2). A “repeating gambling offender” is [A]ny person who is convicted of an offense under section 18-10-103(2) or sections 18-10-105 to 18-10-107 within five years after a previous misdemeanor conviction under these sections .”
Brownlee v. State, Dep't of Revenue, Exec. Dir., 686 P.2d 1372 (Colo. Ct. App. 1984). “8) and that the plaintiff engaged in gambling in violation of § 18-10-103(1), C.R.S. (1978 Repl.Vol. 8), engaged in professional gambling in violation of § 18-10-103(2), C.”
People v. Miller, 604 P.2d 36 (Colo. 1979). “8), and professional gambling, sections 18-10-103(2) and 18-10-102(8), C.”
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