The phrase "parking stalls" refers to designated spaces where vehicles can be parked, like individual parking spots in a parking lot or garage. Full definition
Complete with a large storage room inside the unit, assigned parking stall just outside the main entrance, and visitor parking nearby. (calgary-real-estate.com)
One covered secured underground parking stall with ample visitor parking. (hartrealtygroup.ca)
This apartment also features one underground parking stall with available off street parking for extras. (greatlaketaupo.com)