Colorado CBS1 Deadline Calculator (§3.1): Free, No Upload

MEC: the date both parties signed

§3.3.3: if a deadline falls on a weekend or holiday, it…

Neither box checked Will be extended Will Not be extended

For each §3.1 row, type what the contract says: days after MEC (e.g. 10), a date (11/20/2026), or leave it blank / N/A.

2Alternative Earnest Money Deadline§ 4

Title

3Record Title Deadline (and Tax Certificate)§ 8

4Record Title Objection Deadline§ 8

5Off-Record Title Deadline§ 8

6Off-Record Title Objection Deadline§ 8

7Title Resolution Deadline§ 8

(8)Third Party Right to Purchase/Approve Deadline§ 8

Owners’ Association

9Association Documents Deadline§ 7

10Association Documents Termination Deadline§ 7

Seller’s Disclosures

11Seller’s Property Disclosure Deadline§ 10

12Lead-Based Paint Disclosure Deadline§ 10

Loan and Credit

13New Loan Application Deadline§ 5

14New Loan Terms Deadline§ 5

15New Loan Availability Deadline§ 5

16Buyer’s Credit Information Deadline§ 5

17Disapproval of Buyer’s Credit Information Deadline§ 5

18Existing Loan Deadline§ 5

19Existing Loan Termination Deadline§ 5

20Loan Transfer Approval Deadline§ 5

21Seller or Private Financing Deadline§ 4

Appraisal

22Appraisal Deadline§ 6

23Appraisal Objection Deadline§ 6

24Appraisal Resolution Deadline§ 6

Survey

25New ILC or New Survey Deadline§ 9

26New ILC or New Survey Objection Deadline§ 9

27New ILC or New Survey Resolution Deadline§ 9

Inspection and Due Diligence

28Water Rights Examination Deadline§ 2

29Mineral Rights Examination Deadline§ 8

30Inspection Termination Deadline§ 10

31Inspection Objection Deadline§ 10

32Inspection Resolution Deadline§ 10

33Property Insurance Termination Deadline§ 10

34Due Diligence Documents Delivery Deadline§ 10

35Due Diligence Documents Objection Deadline§ 10

36Due Diligence Documents Resolution Deadline§ 10

37Conditional Sale Deadline§ 10

38Lead-Based Paint Termination Deadline§ 10

Closing and Possession

39Closing Date§ 12

40Possession Date§ 17

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§3.2: a deadline left blank or completed with “N/A” or “Deleted” is not applicable, and the provision containing it is deleted.

§3.3.1: a deadline ends at 11:59 p.m. United States Mountain Time. If item 1 (Time of Day Deadline) is filled in, the Objection, Resolution, Examination and Termination Deadlines end at that time instead.

Note under the §3.1 table (items 22-24): “If FHA or VA loan boxes are checked in § 4.5.3. (Loan Limitations), the Appraisal deadlines DO NOT apply to FHA insured or VA guaranteed loans.”

The 2026 CBS1 prints no item number on the Third Party Right to Purchase/Approve Deadline row (it sits between items 7 and 9). It is shown here as (8).

Calculates dates from what you enter; confirm against the signed contract. Not legal advice. Not affiliated with the Colorado Real Estate Commission.

Check the whole contract: forward the CBS1 to tc@check.txtanoffer.com Check a file free →

How the dates are counted

Days after MEC. MEC is “the date upon which both parties have signed this Contract” (§3.2). For a number of days, the first day is excluded and the last day is included (§3.3.2), so MEC + 10 is the tenth day after MEC. The form says “day” (§3.3.1: the entire day ending at 11:59 p.m. Mountain Time), never “business day”.
Weekends and holidays. §3.3.3 has two boxes: a deadline that falls on a Saturday, Sunday or federal or Colorado state holiday Will or Will Not be extended to the next day that isn’t one. Should neither box be checked, the deadline will not be extended. The calculator moves a date only when you pick “Will”. Either way it flags the date so you can confirm it.
Holidays used: the federal holidays (Columbus Day included) plus Cabrini Day, Colorado’s first Monday in October. A holiday on a Sunday is also counted on the Monday after (Colorado’s holiday statute, C.R.S. 24-11-101, makes that Monday the holiday). A holiday on a Saturday is counted on the Friday before, the federal observed day. The form doesn’t say whether that Friday counts, so a deadline moved off one says so. Days proclaimed by the Governor or the President aren’t included.
Closing Date and Possession Date aren’t moved, even when “Will” is checked. §3.3.3 extends “any deadline”, and §3.1 lists these two as dates; the form doesn’t say whether the extension reaches them. A weekend or holiday date is flagged so you can confirm it with the other side and the closing company.
Blank, N/A or Deleted. §3.2: a deadline left blank or completed with “N/A” or “Deleted” is not applicable, and the provision containing it is deleted.

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Calculates dates from what you enter; confirm against the signed contract. Not legal advice. Not affiliated with the Colorado Real Estate Commission. TxtAnOffer is an independent tool, not affiliated with or endorsed by the Colorado Real Estate Commission or the Colorado Division of Real Estate. Item numbers and labels follow the CBS1 adopted August 5, 2025 (mandatory use date January 1, 2026).

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