Main street rule
A large vehicle may not park on a residential street except while actively loading or unloading. Houston also lists a two-hour public-street limit, but identifies an attended vehicle actively loading or unloading as an exemption.
What counts as large
Houston defines a large vehicle as one over 8 feet high or over 22 feet long. Large vehicles are also prohibited on public streets between 2 and 6 a.m.
Private-property parking
In approved Prohibited Yard Parking areas, vehicles may not park on an unimproved front- or side-yard surface. The city provides a map because this rule does not apply to every Houston block.
Quick answers
Can a large RV stay on a Houston residential street?
The reviewed city page says large vehicles may use a residential street only while actively loading or unloading. Parking large vehicles on a public street is also prohibited from 2 to 6 a.m.
Does Houston’s two-hour limit cover active loading?
Houston lists a two-hour public-street limit, but its FAQ identifies an attended vehicle actively loading or unloading as an exemption. Do not treat that exemption as permission to leave or store the RV on the street.
Can I park an RV in a front or side yard?
That answer is address-specific. In a designated Prohibited Yard Parking area, vehicles cannot park on an unimproved front- or side-yard surface; use the city map to check the exact block.
Before you park
Measure the RV, check the city’s yard-parking map, and review deed restrictions. Houston’s municipal result can depend on the exact address.