Immigration Policy in Boulder, CO (2026)

1 verified immigration policy rules for Boulder, Colorado, sourced directly from the municipal code and official government pages.

Verified from official government sources

Sanctuary Policy Preemption

Boulder Municipal Code Chapter 12-5 declares Boulder a "sanctuary" city and bars city employees from inquiring into a person's immigration status, acting on it, or cooperating with federal immigration investigations. No city funds, personnel, or equipment may assist federal immigration enforcement or detention.

Boulder Sanctuary City Immigration Policy

Significant Restrictions

Boulder Revised Code, B.R.C. 1981, §§ 12-5-1(b)(7), 12-5-2

(7)The City of Boulder declares that it is a "sanctuary" city. 12-5-2 - Prohibited Activities. Except as provided in Section 12-5-3 "Permitted Activities," B.R.C. 1981: (a)No city employee shall inquire into a person's immigration status.(b)No city employee shall take any action based on a person's immigration status.(c)No city employee shall cooperate with any federal authority with respect to...

Full ordinance details →Official source ↗

Looking for Boulder County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Boulder city rules.

Immigration Policy in Boulder County →