Iowa Code » Chapter 573 — LABOR AND MATERIAL ON PUBLIC IMPROVEMENTS
Iowa Code

Iowa Code § 573.7 (2026)

Claims for material or labor

✓ Iowa Code 2026 (laws through the 2025 session)
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1. Any person, firm, or corporation who has, under a contract with the principal contractor or with subcontractors, performed labor, or furnished material, service, or transportation, in the construction of a public improvement, may file, with the officer, board, or commission authorized by law to let contracts for such improvement, an itemized, sworn, written statement of the claim for such labor, or material, service, or transportation.

2. A person furnishing only materials to a subcontractor who is furnishing only materials is not entitled to a claim against the retainage or bond under this chapter and is not an obligee or person protected under the bond pursuant to section 573.6. [C97, §3102; S13, §1989-a57; C24, 27, 31, 35, 39, §10305; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §573.7] 83 Acts, ch 55, §1 \n

Notes of Decisions
Cited in 11 cases (2 in the last 5 years), 1962–2025 · leading case: Star Equip., Ltd. v. State of Iowa, 843 N.W.2d 446 (Iowa 2014).
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Star Equip., Ltd. v. State of Iowa, 843 N.W.2d 446 (Iowa 2014). · cites it 8× “This bond can be the object of a subcontractor’s or materialman’s claim, see Iowa Code § 573.7 (1987), and serves as a substitute for the protection of a mechanic’s lien.”
Dobbs v. Knudson, Inc., 292 N.W.2d 692 (Iowa 1980). · cites it 18× “Dobbs and Bourke filed claims with the Department under section 573.7 for payments allegedly in default on their contracts.”
Lennox Indus., Inc. v. City of Davenport, 320 N.W.2d 575 (Iowa 1982). · cites it 14× “The parties agree the fighting issue in this case is whether ABC was a “subcontractor” as that word appears in section 573.7, The Code: Any person, firm, or corporation who has, under a contract with the principal contractor or with subcontractors, performed labor, or furnished…”
Accurate Controls, Inc. v. Cerro Gordo Cnty. Bd. of Supervisors, 627 F. Supp. 2d 976 (N.D. Iowa 2009). · cites it 15× “29), asserting that there were no genuine issues of material fact that would preclude summary judgment on its Chapter 573 claim and asserting, more specifically, (1) that it timely filed a claim under Iowa Code § 573.7 and timely filed the instant civil actions in this court;…”
Iowa Supply Co. v. Grooms & Co. Constr., 428 N.W.2d 662 (Iowa 1988). · cites it 4× “This bond can be the object of a subcontractor’s or materialman’s claim, see Iowa Code § 573.7 (1987), and serves as a substitute for the protection of a mechanic’s lien.”
Econ. Forms Corp. v. City of Cedar Rapids, 340 N.W.2d 259 (Iowa 1983). · cites it 4× “Section 573.7 provides that claims must be filed “with the officer, board, or commission authorized by law to let contracts for such improvement.”
Bricklayers of W. Pennsylvania Combined Funds, Inc. v. Scott's Dev. Co., 41 A.3d 16 (Pa. Super. Ct. 2012). “Iowa Code Ann. § 573.7 . . It appears that the Seventh Circuit is the only Federal Court of Appeals to address the issue of whether a mechanics’ lien law is preempted by § 301 of the LMRA.”
Bingham v. Blunk, 116 N.W.2d 447 (Iowa 1962). · cites it 2× “7 provides that “Any person * * * who has, under a contract * * * with subcontractors, * * * furnished material, * * * in the construction of a public improvement, may file, with the officer, board, or commission authorized by law to let contracts for such improvement, an…”
Lumberman's Wholesale Co. v. Ohio Farmers Ins. Co., 402 N.W.2d 413 (Iowa 1987). · cites it 2× “On February 22, 1984, Lumberman’s filed a sworn itemized claim with the city clerk pursuant to Iowa Code section 573.7 (1983). The claim recited that Lumberman’s had not been paid for material furnished on the project having a value of $39,765.”
Smith v. Iowa Ass'n of Cmty. Coll. Trs., No. 22-2098 (Iowa Ct. App. Feb. 7, 2024). · cites it 14× “2d at 453 ; see also Iowa Code §§ 573.7 , 10. But, under section 573.”
Payne Drywall, LLC v. Bi-State Contracting, Inc., 24 N.W.3d 636 (Iowa Ct. App. 2025). · cites it 9× “Iowa Code § 573.7 (1). Subcontractors may file such claims with the authorized officer “[a]ny time before the expiration of thirty days immediately following the completion and final acceptance of the improvement.”
Iowa Code § 573.7(1): 1 case
Payne Drywall, LLC v. Bi-State Contracting, Inc., 24 N.W.3d 636 (Iowa Ct. App. 2025). “Iowa Code § 573.7 (1). Subcontractors may file such claims with the authorized officer “[a]ny time before the expiration of thirty days immediately following the completion and final acceptance of the improvement.”
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