Iowa Preliminary Notice FAQs

Last updated July 23, 2020
Sending an Iowa preliminary notice is an effective way to speed up payment on a construction project. A preliminary notice is an informational document typically sent to the property owner near the beginning of a construction project. Here's what you need to know about the rules and requirements for sending preliminary notice in Iowa.

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Iowa preliminary notice requirements for:

Private projects

General contractors must send notice on private projects.

  • Notice must be included in the contract or sent within 10 days
  • Notice cannot be sent late
  • Notice is sent to owner

General Contractors on owner-occupied residential projects, must provide notice of lien rights and identity of subs to be used. This should generally be provided in the contract itself, but if the contract is oral, the notice may be provided within 10 days of beginning work.

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Public projects

General contractors are not required to send notice on public projects.

Since GCs will not make a claim against their own bond for non-payment, they do not have bond claim rights, and have no preliminary notice requirement.

Private projects

On owner-occupied residential projects, subcontractors must provide notice of providing labor/materials to owner upon starting work.

  • Notice must either be sent at project start or within 30 days
  • Notice cannot be sent late
  • Notice should be sent to owner and GC

If a second-tier or below sub on a non-residential project, notice must be given to the prime contractor within 30 days of first furnishing materials.

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Public projects

Subcontractors must usually submit notice on public projects.

  • Notice must be sent within 30 days
  • Notice cannot be sent late
  • Notice is sent to the GC

Subcontractors who didn't contract directly with the owner must send a preliminary notice.

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Private projects

On owner-occupied residential projects, suppliers should provide notice of providing labor/materials to owner upon starting work.

  • Notice must either be sent upon project start or within 30 days
  • Notice cannot be sent late
  • Notice should be sent to owner and GC

If supplying a sub or sub-sub on a non-residential project, notice must be given to the prime contractor within 30 days of first furnishing materials.

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Public projects

Suppliers who did not contract directly with the owner must send notice on public projects.

  • Notice must be sent within 30 days
  • Notice cannot be sent late
  • Notice is sent to the GC

Failing to send the notice on time is fatal to any subsequent bond claim.

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