Closing Date Prorations in Colorado

2 min read

Published July 14, 2026 • By DocketMath Team

Under review

missing_or_unverified_packet

This page provides general legal information and calculation tools, not legal advice. DocketMath is not a law firm and does not provide legal representation, and using this site does not create an attorney-client relationship. Laws change and exceptions apply, so deadlines and amounts specific to your situation should be confirmed with a licensed attorney in your jurisdiction.

Closing Date Prorations in Colorado

Colorado law sets the seller’s share of annual property taxes at zero percent for the closing date proration. Under Colo. Rev. Stat. § 39-10-104.5, the seller is treated as having paid no taxes for the current year at closing, regardless of the closing date. Instead, the buyer is responsible for the full year’s taxes and receives a credit from the seller at closing equal to the taxes for the period before the closing date. The statute provides a formula for calculating that credit, and the exact computation depends on the county’s tax due dates and mill levies. The worked example below illustrates this calculation. Use the DocketMath calculator to estimate the proration for your specific closing.

Governing authority

In Colorado, the closing date prorations rule is set by Colo. Rev. Stat. § 39-10-104.5. The verified packet cites Colo. Rev. Stat. § 39-10-104.5 (https://bouldercounty.gov/property-and-land/treasurer/taxes/due-dates/).

Colorado closing date prorations: the verified value is 0% under Colo. Rev. Stat. § 39-10-104.5. The verified packet cites Colo. Rev. Stat. § 39-10-104.5 (https://bouldercounty.gov/property-and-land/treasurer/taxes/due-dates/).

Estimate your own result: every situation has exceptions that can change the outcome. Use the closing date prorations calculator to estimate your specific figure.

This page provides general legal information and calculation tools, not legal advice. DocketMath is not a law firm and does not provide legal representation, and using this site does not create an attorney-client relationship. Laws change and exceptions apply, so deadlines and amounts specific to your situation should be confirmed with a licensed attorney in your jurisdiction.