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Field glossary

Retainage / retention

The percentage of payment withheld until completion, commonly reduced at substantial completion and released at final; set by contract and statute

Used across 3 Anvilfield field guides, most in Datacenter.

Also defined as

  • Plumbing: A percentage withheld from each progress payment until the work is accepted; commonly 5 to 10 percent, but set by the contract and state.
  • The percentage withheld from each payment as security, released at completion or a milestone per the contract

Where this shows up

PlumbingRetainage and retention field guideDatacenterPunch list and closeoutDatacenterOwner-ready reports and billing backup

Related terms

Substantial completionCertificate of occupancy (CO)Lien waiverPercent completePunch listSchedule of valuesSchedule of values (SOV)Systems manual

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