Missouri to Iowa: general contractor license reciprocity
Missouri does not issue a statewide general contractor license, so there is nothing to transfer. Here is Iowa's standard path for out-of-state applicants.
Your origin state does not issue a statewide license at this level, so there is no license to transfer. The destination's standard out-of-state path is shown; expect to meet it in full.
Reference only, not legal advice. Rules change; confirm with the licensing board before you apply. Full disclaimer.
Everyone registers the same way; an out-of-state contractor license transfers nothing
Your out-of-state credentials give no advantage. You meet the destination's requirements from scratch.
A commercial or general contractor licensed in another state gains nothing from that license in Iowa and loses nothing by not having one. DIAL does not evaluate out-of-state credentials for contractor registration, publishes no reciprocity or endorsement route, and has nothing to waive, because Iowa holds no contractor examination and sets no experience requirement. Iowa is not one of the state agencies that accept the NASCLA Accredited Examination for Commercial General Building Contractors, for the same reason. The one way an arriving contractor is treated differently is the bond: a business whose principal place of business is in another state must file a continuous $25,000 surety bond on DIAL's bond form, from a surety licensed in Iowa, or show that the Iowa Department of Transportation has prequalified it to bid on department projects. A branch office in Iowa does not change that, and every out-of-state subcontractor registers and bonds separately rather than working under the general contractor's registration. Otherwise the route is identical for everyone: get an Iowa unemployment insurance employer account number, file the workers' compensation certificate naming DIAL as certificate holder or a statement that coverage is not required, file the application with the ownership and business details, and pay $50 for a year or $150 for three. The number is issued within 30 days, and no work may start before it arrives.
Whether a business is out-of-state for bonding purposes turns on the seven factors in 481 IAC 465.2 - where the home office is shown on government filings, where payroll is prepared, where business is transacted, where the officers or owners live and work, where the bank accounts are, where fixed business property is, and where management decisions are made - rather than on where the company is incorporated. The $25,000 figure is a tax and unemployment-contribution guarantee running to the State of Iowa, not a measure of capacity or a performance bond, so a commercial contractor will still need separate bid, performance and payment bonds by contract or under the public works statutes. DIAL may require a larger bond after a hearing if the department of revenue or DIAL finds the state's tax exposure greater than the bond. Working or bidding without a registration draws a citation of up to $500 for a first violation and up to $5,000 for each later one, with 15 working days to contest before the employment appeal board. Contractor Registration: 515.242.5871, [email protected].
At a glance
- Trade exam
- Waived
- Law / code exam
- Not required
- Out-of-state hours
- Do not count
- Typical processing
- About 30 days
What you must already have
- Registration is required of every contractor doing business in Iowa that earns at least $2,000 a year from construction, including out-of-state businesses, joint ventures, construction management firms, design-builders and every subcontractor on the job.Iowa Code 91C.1(1)(a) and 91C.2; 481 IAC 465.1 and 465.3. The scope of 'construction' comes from 871 IAC 23.82(96), which covers building construction, land subdivision and development, heavy construction such as highways, power plants and pipelines, and special trade contracting, and which names general contractors, design-builders, engineer-constructors, joint-venture contractors, turnkey construction contractors and construction management firms.
- No examination result, trade experience, education, apprenticeship, reference or financial statement is asked for at any point, so an out-of-state general contractor license, a NASCLA examination transcript and documented years in business are all equally irrelevant to the decision.The conditions of registration are exhaustively listed at Iowa Code 91C.2 and the application contents at 481 IAC 465.4; neither mentions qualifications, competency or another jurisdiction's license.
- A contractor whose principal place of business is in another state must bond. Opening a branch office in Iowa does not make the business an in-state contractor if it is primarily based elsewhere, and the department applies a seven-factor test to decide.Iowa Code 91C.2(3) and 481 IAC 465.2 and 465.4(11). The alternative to the bond is a letter from the Iowa Department of Transportation confirming prequalification to bid on department projects under Iowa Code 314.1.
What you'll do to get licensed in Iowa
- 1Application fee. Pay the application fee ($50). Contractor registration fee: $50 per year, or $150 for a three-year registration, non-refundable. Registration renews annually, and a renewal form is sent by mail or email the month before expiry; renewing on time keeps the same registration number. A self-employed contractor who does not pay more than $2,000 a year to employ other people and does not work with or for other contractors in the same phase of construction is fee exempt and files a fee exemption form, which must be filed again at each renewal. Credit card and ACH payments are not accepted over the phone. A contractor registering through the Plumbing and Mechanical Systems Board's joint application pays a fee prorated to the length of that licensing period instead..
- 2Surety bond. Post a surety bond ($25,000). Out-of-state contractor bond: a $25,000 surety bond on DIAL's own bond form, from a surety company licensed to do business in Iowa, required of every contractor whose principal place of business is in another state, and of every out-of-state subcontractor in its own name. The bond is continuous until the surety cancels it on at least 30 days' written notice to both the contractor and DIAL, and guarantees payment of all taxes, unemployment compensation contributions, penalties, interest and related fees accruing to the State of Iowa from the work. Only the State of Iowa and its agencies may collect on it. DIAL may order the amount increased after a hearing where the state's tax exposure exceeds it. A contractor prequalified by the Iowa Department of Transportation to bid on its projects may file that letter instead. Release requires a written request from the surety and clearance from the department of revenue and the unemployment insurance services division..
- 3Insurance. Carry the required insurance. Workers' compensation: a certificate of insurance from the carrier showing the effective dates of coverage and naming the Department of Inspections, Appeals, and Licensing as certificate holder, filed every year. A self-insured employer files the commissioner of insurance's release under Iowa Code 87.11, and a contractor with no employees files a statement that it is not required to carry coverage. The insurer must notify DIAL of cancellation, the contractor must give DIAL ten days' notice before any change in coverage, and a lapse is grounds to revoke the registration after a fact-finding interview..
- 4Business license. Obtain a business license. An Iowa unemployment insurance employer account number from the unemployment insurance services division of Iowa Workforce Development, obtained before the registration application is filed. It is required of in-state and out-of-state contractors alike, even those with no employees. The application also needs a federal employer identification number for a business entity, or the owner's Social Security number for a natural person, and the business's NAICS code or a description of its principal products and services..
- 5Other. The registration application, filed through DIAL's online contractor registration portal or on the department's paper form, giving the business name, the mailing address of the principal place of business, the business telephone number, the entity type and the name, address, telephone number and position of each corporate officer or each owner. The registration number - the letter C followed by six digits - issues within 30 days of a complete application, is a public record, and must be obtained before any construction work is performed in Iowa..
- 6Other. Separate trade licensing where the work calls for it. Registration does not authorize plumbing, mechanical, HVAC, refrigeration, sheet metal or hydronic work, which needs a contractor license from the Iowa Plumbing and Mechanical Systems Board under chapter 105 - obtained on a joint application that issues the contractor registration number at the same time - or electrical work, which needs a license from the Iowa Electrical Examining Board under chapter 103. Asbestos, lead-based paint, elevator, boiler, alarm system and fire protection system work each carry their own DIAL credential. A general contractor usually meets these by subcontracting to, or employing, the appropriately licensed firm..
- 7Other. Registration before permits and before public contracts. A state or local official may not issue a building permit, certificate or authorization to a contractor who is required to hold a contractor registration number and has not obtained one, and a contractor who is not registered may not be awarded a contract to perform work for the state or a state agency. DIAL also directs contractors to contact the city or county government for each project to confirm local requirements, and the Iowa Department of Revenue publishes the sales and use tax rules that apply to construction contractors..
Published fees on this path total $50, excluding exam-vendor fees, bonds, and insurance.
What you'll need to buy or arrange
Surety bond
A license or contractor bond is bought from a surety, not the state. Price is a small percentage of the bond amount and depends on your credit.
- Surety bond · $25,000
Liability insurance
Some states require proof of general liability or workers' compensation coverage at licensing time.
- Insurance
Business registration
If you plan to contract in your own name, budget for a business license or entity registration on top of the trade license.
- Business license
How Iowa licenses general contractors
Iowa general contractor · “Construction Contractor Registration”
Statewide license
Issued by Iowa Department of Inspections, Appeals, and Licensing (DIAL), Contractor Registration
Iowa's commercial and general building tier is the same credential described at the residential level: a single construction contractor registration with the Department of Inspections, Appeals, and Licensing, with no classes, no letters, no monetary limits and no separation between house and commercial work. Iowa does not license general contractors at all. Chapter 91C of the Iowa Code and 481 Iowa Administrative Code chapter 465 set out the whole of what registration takes, and they contain no trade examination, no business-and-law examination, no experience requirement, no net worth or financial statement test, no continuing education and no qualifying party. The scope is set by the employment security definition of construction, which covers building construction, heavy construction such as highways, power plants and pipelines, and every special trade, and which names 'general contractors, design-builders, engineer-constructors, joint-venture contractors, and turnkey construction contractors' among the establishments it reaches. Registration is held by the business, and a joint venture registers as an independent entity in its own right. What the state verifies is compliance rather than competence: an Iowa unemployment insurance employer account number, workers' compensation coverage or a statement that it is not required, a $50 annual fee, and a $25,000 surety bond from any contractor whose principal place of business is outside Iowa. Registration matters commercially as well as legally - a building official may not issue a permit to an unregistered contractor, and an unregistered contractor may not be awarded a contract for work for the state or a state agency. Iowa's real competency licenses are in the trades: electricians under chapter 103 and plumbing, mechanical, HVAC, refrigeration, hydronic and sheet metal contractors under chapter 105.
Why Missouri has nothing to transfer
Missouri general contractor · “Class A or B general contractor / construction business license (city-issued)”
Licensed by cities and counties
Issued by No state authority; cities and counties license or register commercial building contractors
Missouri has no statewide general, commercial or unlimited building contractor license, so there is nothing at state level for an out-of-state general contractor's license to transfer into and no NASCLA route to take, because Missouri is not a NASCLA participating state. Title XXII of the Revised Statutes, which contains every occupational licensing chapter, has no contractor or builder chapter, and the Division of Professional Registration regulates only one construction trade, electrical contractors. That voluntary statewide electrical contractor license under RSMo 324.900 to 324.945 is often mistaken for a general contractor credential; it is not. Its statutory definitions reach electrical contracting alone, and RSMo 324.925, which forces every city and county to honor it and bars them from testing a holder's proficiency, applies to electrical work only and expressly leaves local building regulation untouched. Commercial building is therefore governed city by city, and only one of Missouri's larger jurisdictions examines commercial builders: Independence issues Class A and Class B general contractor licenses to individuals on an ICC or Prometric score, a reciprocal license or a construction-related degree. Kansas City runs seventeen contractor license categories and none of them is a commercial building contractor - its own bulletin says a business license for construction "is the only city license required" for commercial building permits - and St. Louis City, St. Louis County, Springfield, Columbia and Jefferson City likewise license the trades and ask a commercial builder for nothing more than a business license.
How local licensing works in Missouri
How it works in Missouri. No Missouri agency licenses general, commercial or unlimited building contractors, and there is no state qualifying party, no state business-and-law exam and no NASCLA acceptance to rely on. Cities and counties control commercial construction through the building permit, and almost all of them regulate the electrical, mechanical, plumbing and fire trades rather than the builder. The one statewide rule worth knowing is RSMo 324.925: a political subdivision must recognize the state's voluntary electrical contractor license in place of its own and may not test that holder's electrical proficiency, on pain of having its local sales tax distributions withheld. The statute is limited to electrical contracting - it creates no equivalent obligation for builders, and it expressly preserves each subdivision's power to implement codes, require business licenses, issue permits and inspect work. So a general contractor arriving in Missouri qualifies separately in each jurisdiction, and the only genuinely portable credential is a passing score on a national contractor examination, which matters in exactly one of the places below.
Independence. The clearest commercial program in the state, and the only one of the seven that examines a commercial builder. The city licenses the individual rather than the business - "contractor licenses belong to the licensed individual, NOT a company" - and the general contractor license "covers framing, footings, and general construction" in three classes: Class A, residential and commercial; Class B, residential and commercial up to three stories; Class C, residential only. Qualification is ICC or Prometric test scores from within the last five years at 75 percent or better, or "a current, active license with a jurisdiction that we reciprocate with," which the city defines as "any jurisdiction that issues licenses in a similar fashion," or a bachelor's degree in engineering, architecture or construction science from an accredited college or university. Only a master license holder may apply for or be named on a building permit; journeymen may not. Licenses expire December 31 annually with no proration, and a business license is required in addition. [email protected], (816) 325-7401.
Kansas City. City Planning & Development enforces Article XII of the Kansas City Building and Rehabilitation Code through seventeen categories of contractor license - demolition, electrical, elevator, fire protection, gas-fired appliance, mechanical, pipe fitting, plumbing, residential building and sign - and there is no commercial or general building category among them. The city says so directly in its residential licensing bulletin: "a Business License for Construction is the only city license required for a contractor performing swimming pool construction, uncovered deck construction, retaining walls, non-structural remodeling, installation of roof mounted solar panels with no or limited structural work, and commercial building permits." A commercial builder therefore buys the business license from the Finance Department, keeps a current Missouri Secretary of State registration, and makes sure each licensed trade on the job holds its own Kansas City contractor license and employs a certificate-of-qualification supervisor. Where the general contractor self-performs a regulated trade, the full route applies: a $60.00 certificate application with notarized reference letters and a recognized exam score, applicant at least 21 with a high school diploma or GED and documented experience, then a $60.00 application and $181.00 issuance fee for the company license, renewed quadrennially at $181.00. [email protected], (816) 513-1500.
St. Louis City. The Building Division runs four boards of examiners - the Committee of Electrical Examiners, the Mechanical Contractors Board of Examiners, the Plumbers and Drainlayers Board of Examiners and the Sprinkler System Contractors Board of Examiners - and none of them covers building contractors. A commercial general contractor takes out a construction or contracting business license from the License Collector: state tax number, application, clearance from the Collector of Revenue, an occupancy permit from the Building Division, and proof of workers' compensation coverage or a signed statement that it is not legally required. "All general contractors are required to furnish a list of the sub-contractors on any job to the License Collector." There is no exam, bond or experience review. Building Division, City Hall Room 425, 1200 Market St., (314) 622-3313.
St. Louis County. "The County does not license general contractors." It "does verify that out-of-state contractors are registered with the state," and it "does register all repair contractors that obtain permits for repairs from a natural disaster such as a flood or severe storm." Its licensing effort goes into the trades: electrical, mechanical (four contractor categories under the county Mechanical Code, chapter 1108 SLCRO) and plumbing, each with a licensing board, and "the County only issues trade permits to licensed contractors." Commercial permits for unincorporated county land come from Transportation and Public Works at 41 South Central Ave., 6th Floor, Clayton, 314-615-5184; inside the county's many municipalities, check the city's own building department too.
Springfield. A permit will not issue until "a City-licensed General Contractor (GC) or Trade Master (TM)" is named on it, so the general contractor credential is compulsory - but it is a business license from the License Division rather than a tested qualification. The city's examining program covers electricians, plumbers, gas fitters and mechanical craftsmen only, who must be "tested and certified to afford competence and knowledge of the codes" and who may present an identical Prometric, Experior, Block or ICC examination passed at 75 percent or better in another jurisdiction. Contractors file proof of workers' compensation or sign a notarized exemption statement. Permit desk 417-864-1585; License Division 417-864-1617.
Columbia. Building and Site Development certifies trades only - Trade Apprentice, Electrical, Mechanical and Plumbing - with tests "administered by a private testing firm according to a regular schedule," and the city maintains boards of electrical, plumbing and mechanical examiners but none for builders. A commercial contractor holds a city business license at $0.25 per $1,000 of gross receipts, minimum $75 and maximum $10,000 a year, plus a $45 application fee, and files a certificate of workers' compensation insurance if it has one or more employees. Business License Division 573-874-7378.
Jefferson City. "All contractors performing work in Jefferson City must have a local license," but only "electrical and plumbing contractors and their employees are required to obtain specific trade licenses directly from the Building Regulations Division"; "all other contractors are directed to the Business License Division to obtain their business license." A commercial builder files for the business license and sits no examination. Building Regulations (573) 634-6410, Business License Division (573) 634-6322.
Everywhere else. Other Missouri cities and counties write their own ordinances, and outside city limits many rural counties have no building permit program at all. Before bidding, ask each jurisdiction whether it licenses builders or only the trades, whether it will accept an ICC or Prometric score in place of its own test, and what business license, workers' compensation proof and insurance it requires. Expect to hold a separate credential in every jurisdiction where you pull permits.
- Independence (Community Development - Class A and Class B general contractor licenses, exam or reciprocal license required)
- Kansas City (City Planning & Development - no commercial building contractor license; business license for construction)
- St. Louis City (License Collector - construction/contracting business license; Building Division examines trades only)
- St. Louis County (no general contractor license; electrical, mechanical and plumbing licensing only)
- Springfield (Building Development Services - City-licensed General Contractor must be named on the permit)
- Columbia (Building and Site Development - trade certifications only; contractors hold a city business license)
- Jefferson City (Building Regulations Division - electrical and plumbing licensed; all other contractors take a business license)
Common questions
- Do I have to take the Iowa general contractor exam if I'm licensed in Missouri?
- No. The trade exam is waived on this path.
- What does it cost to get a Iowa general contractor license from Missouri?
- Published fees on this path total $50, not counting exam vendor fees or bonds.
- Do my Missouri work hours count in Iowa?
- No. Iowa does not credit out-of-state hours on this path.
- How long does the application take?
- The board's published or typical processing time is about 30 days.
- Does it work the other way, from Iowa to Missouri?
- Not necessarily. Reciprocity is directed. Going from Iowa to Missouri, the mechanism is not applicable.
Sources
- Iowa Code 103A.20 - State building code; permits, duty to issue · Iowa Code 103A.20(1)(b) · Iowa Legislature · Statute · verified September 17, 2026
- Iowa Code chapter 91C - Construction Contractors (full chapter text) · Iowa Code ch. 91C · Iowa Legislature · Statute · verified September 17, 2026
- DIAL Contractor Registration - Out-of-State Contractor Bond Form · Iowa Code ch. 91C · Iowa Department of Inspections, Appeals, and Licensing · Form · verified September 17, 2026
- DIAL - Contractor Registration (who must register, fee, out-of-state bond, FAQ) · Iowa Code ch. 91C · Iowa Department of Inspections, Appeals, and Licensing · Agency Page · verified September 17, 2026
- DIAL - Electrical Licensing (Iowa Electrical Examining Board) · Iowa Code ch. 103 · Iowa Department of Inspections, Appeals, and Licensing · Agency Page · verified September 17, 2026
- 481 Iowa Administrative Code chapter 465 - Construction Contractor Registration · 481 IAC ch. 465 · Iowa Legislature / Iowa Department of Inspections, Appeals, and Licensing · Admin Rule · verified September 17, 2026
- 871 IAC 23.82(96) - Definition of construction employer (scope of "construction" for contractor registration) · 871 IAC 23.82(96) · Iowa Legislature / Iowa Workforce Development · Admin Rule · verified September 17, 2026
- NASCLA Accredited Examination for Commercial General Building Contractors · National Association of State Contractors Licensing Agencies · Other · verified September 17, 2026
- NASCLA Accredited Examination for Commercial General Building Contractors - participating state agencies · National Association of State Contractors Licensing Agencies · Other · verified September 17, 2026
Verified dates are when a person last opened each source and confirmed the facts above. Cite the board, not us.