Colorado TC Hub

Practical transaction-coordination resources for Colorado -- Colorado Real Estate Commission form references, file-review checklists built around the §3.1 deadline table, and the 2026 changes.

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Colorado Forms File-Review Checklists 2026 Changes Free Checklist Deadline Calculator

Colorado Forms

The Commission-approved forms a Colorado residential file runs through, with the adoption and mandatory-use dates printed on each form -- from the Division of Real Estate's own forms page, not a mirror.

CBS1

Contract to Buy and Sell Real Estate (Residential)

The main contract for a Colorado residential resale. Its §3.1 Dates and Deadlines table drives the whole file — and under §3.2 a deadline left blank or marked N/A deletes that provision.

Adopted August 5, 2025 · mandatory January 1, 2026
Official Division of Real Estate source →
AE41

Agreement to Amend/Extend Contract

Changes dates or terms on an executed contract. Each §3.1 row gets a new date, No Change, or Deleted.

Mandatory August 2024
Official Division of Real Estate source →
CP40

Counterproposal

Answers an offer with changed terms — its own §3.1 deadline table and §4 price table.

Mandatory August 2024
Official Division of Real Estate source →
NTC43

Inspection Objection Notice

Buyer's written list of unsatisfactory conditions, due on or before the Inspection Objection Deadline (§10.3.2).

Adopted August 5, 2025 · mandatory January 1, 2026
Official Division of Real Estate source →
BC60

Exclusive Right-to-Buy Listing Contract

The buyer's written agreement with their brokerage. Since August 12, 2026 (HB26-1426) a written agreement is required before a buyer's agent or transaction-broker performs licensed work for them.

Adopted October 7, 2025 · mandatory January 1, 2026
Official Division of Real Estate source →
SWA35

Source of Water Addendum

Discloses the property's source of potable water — well, water district or other provider.

Mandatory January 2011
Official Division of Real Estate source →

File-Review Checklists

Organized by the point in the transaction where each check matters -- built from the exact checks TC Check runs on a CBS1 and the forms attached to it, not a generic industry list.

Run the sample to see what TC Check flags →

Before Sending an Offer

  • Street, city and county (§2.4) are complete, and the legal description is filled in
  • Buyer and Seller names are filled in (§2.1, §2.3)
  • §4.1: Earnest Money + New Loan + Cash at Closing = Purchase Price, and both TOTAL lines match
  • Earnest Money Holder is named (§4.3)
  • A loan type is checked (§4.5.3) when there's a New Loan
  • Every §3.1 deadline you mean to keep is filled — blank or N/A deletes it (§3.2)
  • Closing Date isn't on a weekend or a federal or Colorado holiday
  • Acceptance Deadline is set, and before the Closing Date (§27)
  • Buyer's agent or transaction-broker? A signed Exclusive Right-to-Buy is on file (HB26-1426)

After Execution

  • §3.1 deadlines run in order: delivery → objection → resolution
  • No §3.1 deadline falls after the Closing Date
  • Possession Date and Time are filled in — and not before closing unless agreed
  • Lead-based paint deadlines are filled in (homes built before 1978) or marked N/A
  • A Source of Water Addendum listed in §31 is actually attached
  • All required signatures are present

Amend/Extend & Counterproposal Review

  • Each changed row has only one of: new date, No Change, Deleted
  • New dates still run in order and before the (amended) Closing Date
  • “Deleted” on a loan, appraisal or inspection row removes that protection — intended?
  • It names the right property and original contract date
  • A Counterproposal's §4 price table still adds up

Inspection Objection

  • Delivered on or before the Inspection Objection Deadline — as amended (§10.3.2)
  • Describes what is unsatisfactory
  • Inspection Resolution Deadline is tracked (§10.3.3)

2026 Changes

New CBS1 and Inspection Objection Notice. Adopted August 5, 2025; mandatory since January 1, 2026.

New Exclusive Right-to-Buy (BC60). Adopted October 7, 2025; mandatory since January 1, 2026.

HB26-1426 (effective August 12, 2026). A broker must have a written agreement with the buyer or seller -- for transaction-brokerage as well as agency -- before performing licensed duties for them. The Division says only a listing contract establishes the relationship; the buyer's broker compensation agreement on the disclosure form isn't enough. Division summary →

Colorado TC Checklist — Free

Before submitting a transaction, check these 15 items.

The combined "Before Sending" + "After Execution" checklist above, as a plain-text file you can keep on hand.

Want the computer to check it instead? Try TC Check →

Verify this yourself

This page is a courtesy summary, not the authoritative text. The Commission's forms, rules and the statute are the source.

This page is educational information only -- it is not legal advice and is not a substitute for advice from a licensed Colorado real estate attorney or your employing broker. TxtAnOffer is an independent, third-party tool and is NOT affiliated with, endorsed by, or partnered with the Colorado Real Estate Commission or the Colorado Division of Real Estate. Form numbers referenced above are the Commission's designations. Checklists reflect what TC Check verifies on a file; they are not a complete substitute for your own professional judgment or your broker's review requirements. See our Terms of Service for the full disclaimer.

Questions? Email support@txtanoffer.com, or book a free 15-min file check.
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