State facts
Arkansas: homes, climate zones and who licenses the work
Arkansas has 1.4 million housing units. 39.6% were built before 1980, and the median year built is 1987. 66.4% of occupied homes are lived in by their owners.
How old the homes are
Arkansas housing units, by year built
Layers drawn to scale
Age changes what applies to a house. In general, anyone paid to do work that disturbs painted surfaces in a home built before 1978 must be certified in lead-safe work practices under the EPA's Renovation, Repair and Painting Rule, which the EPA administers directly in Arkansas.
How homes are heated
How homes in Arkansas are heated
Main heating fuel, share of 1.2 million occupied homes
- Electricity 53.7%
- Utility gas 36.7%
- Propane or other tank gas 6.1%
- Wood 2.5%
- No fuel used 0.5%
- Other fuel 0.4%
- Solar energy 0.2%
- Fuel oil or kerosene 0.1%
- Coal or coke <0.1%
Climate and building zones
The 2021 International Energy Conservation Code assigns every county a climate zone from 1 to 8 and a moisture regime: A for moist, B for dry, C for marine. Zones 7 and 8 have no letter. Here is how Arkansas's residents divide among them, by the county they live in.
| IECC 2021 zone | Share of residents | Counties |
|---|---|---|
| 3A | 75.5% | 63 |
| 4A | 24.5% | 12 |
ENERGY STAR rates windows, doors and skylights for four climate zones of its own. Arkansas spans 2: South-Central (75.5% of residents), North-Central (24.5% of residents).
By NOAA's 1991–2020 climate normals, counties here average 71 days a year with a low of 32°F or colder, weighted by where people live. The range runs from 37 days in the mildest county to 101 in the coldest.
Flood risk and flood insurance
0.8% of residential structures in Arkansas carry a National Flood Insurance Program policy: 8,993 policies, in FEMA's count as of August 3, 2026.
In FEMA's National Risk Index, 1 of 75 counties rates high or very high for riverine flooding.
Fire ants and termites
50 of Arkansas's 75 counties are inside the federal imported fire ant quarantine, home to 60.9% of its residents. The federal quarantine requires a certificate to move soil, sod, nursery plants with soil attached, used soil-moving equipment, and hay or straw stored on the ground out of the quarantined area.
Who licenses the work in Arkansas
Before anyone starts work, check the license with the agency below. Where the state does not license a trade, cities and counties may; ask the one where the house is.
- Pest control Anyone doing pest control for pay must be licensed or certified: the business holds a commercial license, a licensed operator supervises the work, and structural pest control has its own classifications (termite and other structural pests, household pests and rodents, fumigation). Agency: Arkansas Department of Agriculture. Who to call about pest control.
- Heating and cooling HVAC/R contractors are tested and licensed by the state Department of Labor and Licensing. Agency: Arkansas Department of Labor and Licensing, HVACR Licensing Board. Look up a license. Who to call about heating and cooling.
- Window replacement and other home improvement Specialty work such as windows on a single-family home needs a home improvement license when the project is more than $2,000 in labor and material. Agency: Arkansas Contractors Licensing Board. Look up a license. Who to call about window replacement.
- Mold remediation No statewide license. Arkansas does not license mold abatement contractors; a 2009 mold investigator licensing law was repealed in 2011, and the state publishes only voluntary guidelines. Who to call about water damage and mold.
Checked 2026-09-29. Licensing rules change; the agency's own page is the authority.
Sources
- U.S. Census Bureau American Community Survey 2020–2024 5-year estimates, tables B25034, B25035, B25040 and B25003 data.census.gov
- Pacific Northwest National Laboratory Guide to Determining Climate Zone by County: Building America and IECC 2021 Updates basc.pnnl.gov
- U.S. Department of Energy Prototype Building Models (climate zones 1–8 and moisture regimes A, B, C) energycodes.gov
- ENERGY STAR Climate zones by county for windows, doors and skylights energystar.gov
- NOAA National Centers for Environmental Information U.S. Climate Normals 1991–2020, annual and seasonal ncei.noaa.gov
- Federal Emergency Management Agency OpenFEMA NFIP Residential Penetration Rates (as of 2026-08-03) fema.gov
- Federal Emergency Management Agency National Risk Index, county ratings fema.gov
- USDA Animal and Plant Health Inspection Service Imported fire ant quarantine map aphis.usda.gov
- Electronic Code of Federal Regulations 7 CFR part 301, subpart P, Imported Fire Ant ecfr.gov
- Arkansas Department of Agriculture agriculture.arkansas.gov agriculture.arkansas.gov
- Arkansas Department of Labor and Licensing, HVACR Licensing Board labor.arkansas.gov labor.arkansas.gov
- Arkansas Contractors Licensing Board labor.arkansas.gov labor.arkansas.gov
- healthy.arkansas.gov healthy.arkansas.gov healthy.arkansas.gov
- epa.gov epa.gov epa.gov