Best Interior & Exterior House Painters in Janesville, WI
10 companies listed · 6 in Janesville · 3 open 24/7 · 5 open weekends · 9 rated 4.5+
Data verified October 20, 2026
Hazeltine Painting
Severin Painting DRY Wall Repair
Sierra Painting LLC
Absolute Improvements
Aurum Contracting
Listed for homeowners in and around Janesville, WI, these 10 companies paint homes. Interior and exterior work, prep, coatings and scheduling come from what each one publishes itself; ratings and quotes come from public reviews.

Area overview: Janesville, WI
Of the 10 companies we list here, 6 are in Janesville itself and 4 come from Beloit (2, 11 mi). 9 of the companies on this page have a rating, from 4.6 to 5.0 across 318 reviews; 2 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (95%), quality (90%) and responsiveness (74%). 3 are open around the clock; 5 are open on Saturdays and 3 on Sundays. 2 show a license on their websites; 1 lists staff certifications (GAF) and 2 have a BBB rating of A or A+. 5 have ten or more years of experience, the longest 34 years. 3 offer emergency call-outs; 1 offers financing or payment plans and 7 give free estimates. We have a website on file for 7 of the companies on this page; 6 publish a contact page and 7 list a public email. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Can painting work happen on Saturdays or Sundays?
Weekend hours appear for 5 of the 10 companies on this page. Interior work on a Saturday suits an occupied house. Exterior work follows the weather rather than the calendar, so accept that a crew may move your date when the forecast turns wet or cold.