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McHenry County, IL Parking Rules: Driveway Rules (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified July 2026

Key Facts

Driveway definition
Access strip to street
Large motor home limit
10 days per month
Occupancy while parked
Not permitted
Small RV/boat driveway
Under 25 ft, 11 ft
Driveway construction
Crystal Lake Chapter 570

Summary

Vehicles must generally park on an approved driveway, not on lawns. In Crystal Lake, motor homes over 25 feet may sit on a driveway no more than 10 days per month.

These county ordinances apply to unincorporated areas of McHenry County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

Motor homes over 25 feet in length can be temporarily parked on residential driveways, for a period not to exceed 10 days in one month, as long as the motor home is not being used for residential purposes.

Full Breakdown

A driveway is defined in the McHenry County UDO as a paved or unpaved access strip connecting a lot to the street. Vehicles should be parked on the driveway or another approved surface rather than on the front lawn. Crystal Lake permits smaller RVs, boats, and trailers (under 11 feet tall, 25 feet long) on a residential driveway, but motor homes over 25 feet in length may only be temporarily parked on a residential driveway for a period not to exceed 10 days in one month, and not while occupied. Driveway construction, width, and surfacing are separately regulated (Crystal Lake Chapter 570). Check your municipality for front-yard parking bans.

Violations & Fines

Zoning and property-maintenance violations typically bring daily fines until corrected; parking on lawns or overstaying RV limits can trigger citations and towing.

Frequently Asked Questions

Can I park on my front lawn in McHenry County?
Generally no. Vehicles should be kept on a driveway or approved surface; many municipalities and the county UDO prohibit parking on unimproved yard areas.
How long can a large motor home sit in a Crystal Lake driveway?
A motor home over 25 feet may be temporarily parked on a residential driveway no more than 10 days in one month, and it may not be occupied while parked.

Sources & Official References

Other rules in McHenry County

All McHenry County rules

Compare McHenry County to another location·View the Illinois parking rules overview

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