Best Self-Storage Units in Janesville, WI
17 companies listed · all 17 in Janesville · 3 open 24/7 · 5 open weekends · 14 rated 4.5+
Data verified October 21, 2026
B & J Storage
Blue Barn Storage
Evergreen Mini Storages
Bob Kimball Storage
Nehls Storage
Listed for people needing storage in and around Janesville, WI, these 17 companies rent storage space. Unit sizes, climate control and gate hours are as each facility states them on its own website, and availability in a given size changes week to week, so call before you drive over.

Area overview: Janesville, WI
All 17 companies we list here are in Janesville itself. 16 of the companies on this page have a rating, from 4.3 to 5.0 across 184 reviews; 1 has 50 or more reviews and 14 are rated 4.5 or higher. 3 are open around the clock and 5 are open on weekends. 13 have ten or more years of experience, the longest 102 years. 3 offer emergency call-outs; 3 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 16 of the companies on this page; 11 publish a contact page and 7 list a public email. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Can I reserve a unit online?
Websites are listed for 16 of the 17 facilities here, and online reservations usually need no deposit. Hold the size you want online, then walk it before you sign. Online promotional rates usually apply to the first months only, so ask what the rate becomes afterwards.