Plumbing contractor insurance in Iowa

How Iowa licenses plumbing contractors

One state license covers all of Iowa. The Plumbing and Mechanical Systems Board, part of the Department of Inspections, Appeals, and Licensing (DIAL), issues every plumbing license in the state (Iowa DIAL plumbing and mechanical licensing).

Iowa Code §105.17 preempted local plumbing and mechanical licensing, and city and county licensing rules became void on July 1, 2009. So Des Moines and Cedar Rapids can't make you hold a separate city plumbing license. They can still charge permit and inspection fees.

The board licenses people at three levels, plus the business:

• Apprentice, enrolled in a U.S. Department of Labor registered apprenticeship and working under a journeyperson or master
• Journeyperson plumber
• Master plumber
• Contractor, which must hold a master license or employ at least one master in each discipline it performs, keep a permanent place of business, and register as a contractor under Iowa Code chapter 91C

Licenses run for three years.

That master-per-discipline rule matters when you grow. A plumbing shop that adds HVAC or hydronic work needs a master in that discipline too, either the owner or someone on payroll. Plan the license side of a new service line at the same time as the insurance side, because your carrier will ask what work you do.

Chapter 91C registration is a separate step. Anyone earning $2,000 or more a year from construction in Iowa must register, and contractors based outside Iowa also file a $25,000 bond to register.

Iowa workers' comp has no small-shop exemption

Iowa sets no minimum employee count. Every employer covered by the state's comp law must insure its liability, or get approval to self-insure, before doing business. That includes a one-truck shop the day it hires a helper.

Owners sit outside the system unless they opt in. Proprietors, partners, LLC members and limited liability partners aren't automatically covered. Those who work in the business substantially full-time can elect coverage by buying a policy that names them.

Corporations work the other way. Up to four officers (president, vice president, secretary and treasurer) can reject coverage in writing. The rejection is either attached to the policy or witnessed by two disinterested people, then filed with the Workers' Compensation Commissioner (Iowa Division of Workers' Compensation).

Skipping coverage is risky in Iowa. Willfully operating without it is a class D felony. An uninsured employer sued by an injured worker is presumed negligent and loses defenses such as contributory negligence and assumption of risk. Set up workers' comp for your Iowa crew before the first paycheck. Get a quote for your plumbing business →

Watch your subs, too. Iowa's chapter 91C contractor registration exists partly to enforce comp and unemployment rules. At your year-end premium audit, a sub who can't show a workers' comp certificate can be counted as your employee, and part of what you paid that sub can be added to your payroll. Collect certificates before subs start. Our workers' comp audit guide explains the math.

Floods, wind and old pipe: Iowa's plumbing risks

River flooding

Iowa's record river crests both came in 2008. On June 13 of that year, the Cedar River at Cedar Rapids crested at a record 31.12 feet, nearly double its 16-foot major flood stage, and the Des Moines River in Des Moines set its own record of 35.55 feet the same day. Floods bring waves of rebuild work and put materials, tools and vans at risk.

On new construction and big flood rebuilds, don't assume the owner's builder's risk policy covers your water heaters and fixtures before they're installed. It may not, or it may carve some items out. An installation floater fills that gap for the trade contractor.

The 2020 derecho

On August 10, 2020, a derecho crossed Iowa with estimated winds around 140 mph. The National Weather Service found damage in Cedar Rapids consistent with 130 to 140 mph winds and logged an unofficial 126 mph gust at Atkins. Many places took damaging winds for 30 to 60 minutes. A storm like that can take the roof off a shop and drop trees on parked vans in the same hour.

Housing older than the national average

Iowa's median home was built in 1972, against 1980 for the country, and 23.5% of housing predates 1940. Older drains and supply piping raise the odds that a routine repair causes damage. General liability usually won't pay to redo your own faulty work, but it may cover the resulting damage to the rest of the house, depending on your policy wording.

Example scenario: A tech swapping a water heater in a 1915 foursquare puts a wrench on the old galvanized nipple, and the corroded line snaps upstream of the shutoff. Water runs across the finished basement before the curb stop is found. The new carpet and drywall are a general liability question. The pipe repair itself usually is not.

Iowa cities where we insure plumbers

What shapes plumber insurance costs in Iowa

The license sets a floor, not a target. Iowa requires $500,000 of public liability to hold a contractor license, but GCs and commercial owners often write higher limits into their contracts. Your limit choice is one of the biggest levers on your general liability price.

Comp is priced by job class and payroll. In most NCCI states, plumbing payroll falls under class 5183, while sewer construction is rated separately under 6306. If your Iowa crew moves from service work into main-line sewer jobs, tell your carrier so the payroll lands in the right class before audit.

Weather exposure matters for property and equipment. A shop in a river town with a full parts room prices differently from one on high ground in a small town. Your price depends on payroll, revenue, claims history, the work you do and the limits you choose. See our guide to plumber insurance costs for national medians by policy. Get a quote for your plumbing business →

Our Iowa license

Plumbing Insurance Group is a brand of The Allen Thomas Group, licensed in Iowa (License #3002973295, NPN 7642818). We quote plumbing contractors anywhere in Iowa, from Council Bluffs to Dubuque.