Missouri Residential Home Improvement Contract — Office Sale
Missouri Residential Home Improvement Contract — Office Sale
Before signing: Use this contract for improvement or repair of an existing Missouri home when the owner negotiates and signs at the contractor's permanent business office. For a sale personally solicited and agreed to at the owner's residence, use a separate form with any applicable cancellation notices. Complete the work description, price, payment schedule and lien notice before either party signs. Give the owner a completed copy of this contract and its attachments.
Substantial-remodel check: If the work qualifies as a remodel of a residence and the total project cost exceeds half the residence's assessed value for property tax purposes when this contract is made, give the homeowner the conspicuous Missouri construction-defect notice addendum when signing. See Mo. Rev. Stat. § 436.350(9) and § 436.353(1).
Agreement date: [__/__/____] Contractor's permanent office where signed: [STREET, CITY, MO ZIP]
| Property owner | Original contractor | |
|---|---|---|
| Legal name | [____________________________] | [____________________________] |
| Mailing address | [____________________________] | [PERMANENT BUSINESS ADDRESS] |
| Phone and email | [____________________________] | [____________________________] |
Project property: [STREET ADDRESS, CITY, MO ZIP]. Owner occupancy: ☐ Owner occupies the home ☐ Owner expects to occupy it after work ☐ Neither. Existing dwelling units: [NUMBER]. Contractor trade license or registration, if applicable: [TYPE, NUMBER, ISSUER / NONE].
1. Work, materials and schedule
Contractor will perform the work described here and in Exhibit A: [ROOMS, TASKS, MEASUREMENTS, MATERIALS, BRANDS, MODELS, FINISHES, CLEANUP]. Plans and specifications: [TITLE AND DATE / NONE]. Excluded work: [DESCRIPTION / NONE].
Contractor's permit and inspection tasks: [LIST]. Owner's tasks: [LIST / NONE]. Expected start: [__/__/____]. Expected substantial completion: [__/__/____]. Contractor will protect the work area and remove debris as described in [DETAILS]. Contractor will notify Owner in writing of a material delay and give a revised estimate.
2. Price and payment schedule
Fixed total price: $[AMOUNT], including the work, listed materials, taxes, assigned permit charges and cleanup. Included allowances: [ITEM AND AMOUNT / NONE]. Owner will pay:
| Payment event | Amount |
|---|---|
| On signing, after receipt of the Section 3 notice | $[AMOUNT] |
| On [MILESTONE] | $[AMOUNT] |
| On [MILESTONE] | $[AMOUNT] |
| On substantial completion and delivery of agreed documents | $[BALANCE] |
These amounts must total the fixed price. Payment method: [METHOD]. Contractor will give an itemized receipt for each payment. Extra work or a changed price requires a written change order signed before the changed work begins. No lien waiver or release is given by this contract alone.
3. Missouri mechanic's lien notice to owner
Contractor gives this notice at signing, before receiving any payment. Print the notice in bold type of at least 10 points.
NOTICE TO OWNER
FAILURE OF THIS CONTRACTOR TO PAY THOSE PERSONS SUPPLYING MATERIAL OR SERVICES TO COMPLETE THIS CONTRACT CAN RESULT IN THE FILING OF A MECHANIC'S LIEN ON THE PROPERTY WHICH IS THE SUBJECT OF THIS CONTRACT PURSUANT TO CHAPTER 429, RSMO.
TO AVOID THIS RESULT YOU MAY ASK THIS CONTRACTOR FOR "LIEN WAIVERS" FROM ALL PERSONS SUPPLYING MATERIAL OR SERVICES FOR THE WORK DESCRIBED IN THIS CONTRACT.
FAILURE TO SECURE LIEN WAIVERS MAY RESULT IN YOUR PAYING FOR LABOR AND MATERIAL TWICE.
Owner acknowledgment of receiving the notice before payment: [INITIALS] Date: [__/__/____]
For owner-occupied existing residential property of four units or less, a separate owner consent can affect lien rights of persons other than the original contractor. No such consent is included or signed by this contract. A proposed consent would need the statutory wording and a signature separate from this notice under Mo. Rev. Stat. § 429.013. Contractor will keep a copy of this notice and provide it to a person performing work or supplying material on request, as that section requires.
4. Completion, warranty and disputes
The parties will inspect the finished work and list unfinished or disputed items with agreed correction dates. Written workmanship warranty, if offered: [ATTACHMENT, TERM AND CLAIM PROCESS / NONE BEYOND APPLICABLE LAW]. Manufacturer warranties, if any: [PRODUCT AND DOCUMENT / NONE]. Contractor will deliver agreed permit closeout, warranty and product documents it receives.
The parties will first exchange written descriptions of a dispute at the addresses above. This voluntary exchange does not change any legal notice rule. Missouri law governs the agreement. A court with jurisdiction may hear an unresolved dispute.
5. Changes, signatures and copies
A change order must identify changed work and materials, the old and new price, any schedule change, and both signatures. This signed contract, completed exhibits and later signed change orders state the whole agreement. Owner and Contractor will each receive a complete signed copy.
Owner signature: [____________________________] Date: [__/__/____]
Contractor authorized signature: [____________________________] Date: [__/__/____]
Exhibit A — detailed work and materials
Work areas, tasks and measurements: [________________________________]. Materials, models and quantities: [________________________________]. Permits and inspections: [________________________________]. Site protection and cleanup: [________________________________]. Attachment pages: [____].
Change order
Number: [____] Date: [__/__/____]. Changed work: [________________________________]. Price adjustment: ☐ Add $[____] ☐ Deduct $[____]. Revised total: $[____]. Revised completion estimate: [__/__/____ / UNCHANGED].
Owner signature: [________________] Contractor signature: [________________]
Official sources
About this template
- Last updated
- November 13, 2026
- Citations checked
- November 5, 2026
- Jurisdiction
- Missouri
- Category
- Contracts & Agreements
Legal authority
- Mo. Rev. Stat. § 429.012
- Mo. Rev. Stat. § 429.013
A contract is a written record of what two or more parties agreed to and what happens if someone does not follow through. Clear language, defined terms, and clean signature blocks keep disputes small and enforceable. The most common mistakes in contracts come from vague promises, missing details about timing or payment, and skipping standard protective clauses like governing law and dispute resolution.
Not legal advice
This template is provided for informational purposes. We recommend having an attorney review any legal document before signing, especially for high-value or complex matters.
Checked against the law it cites
A reviewer verified this template's legal citations against the official source on November 5, 2026.
Mo. Rev. Stat. § 429.012(1) (checked November 5, 2026): "prior to receiving payment in any form of any kind from such person"
Mo. Rev. Stat. § 429.012(2) (checked November 5, 2026): "Compliance with subsection 1 of this section shall be a condition precedent to the creation, existence or validity of any mechanic's lien in favor of such original contractor."
Mo. Rev. Stat. § 429.013(2) (checked November 5, 2026): "Such consent shall be printed in ten point bold type and signed separately from the notice required by section 429.012"
Mo. Rev. Stat. § 429.013(3) (checked November 5, 2026): "every original contractor shall retain a copy of the notice required by that section and any consent signed by an owner"
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