The Best Barriers to Keep Cars Off Your Grass

Driveway boulders, hedges, spike strips, and fences are just some of the best barriers to keep cars off your grass.
Written by Claire Beaney
Reviewed by Melanie Reiff
If you find yourself dealing with unruly neighbors or random strangers driving over your grass, some good barriers to keep cars off grass include driveway boulders, hedges, spike strips, and more.
Whether it’s done on purpose, heading outside and discovering upturned dirt and tire marks on your front lawn can be super stressful—doubly so when you start fixing all the mess that’s been made. 
The easiest way to deal with this kind of issue is to prevent it from happening, and there are plenty of options on the market that can stop these stray drivers before they start.
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Driveway boulders

Driveway boulders and rocks
are popular items used by homeowners to build barriers around their lawns. They're usually large enough to damage car bumpers and undercarriages, so they can keep inconsiderate drivers off your grass.
Both real rocks and synthetic boulders can be used. Real landscape rocks look natural and are too heavy to transport easily. 
Less-expensive options are fiberglass rocks—these look and feel like real stones. Even though they're built of lightweight fiberglass, they usually come with ground anchors to stop them from being knocked over.
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One of the most effective ways to deter cars from driving into your lawn is to install a fence around the perimeter of your property.
There are retractable safety fences on the market, so you don't even have to put up a permanent one! This type of yard fence may be secured to the ground with pegs and is available in various colors to complement a range of landscape designs.
Pro Tip Before constructing a fence around your lawn, check with your neighborhood's residential management to see if such exterior structures are permitted.

Netted driveway guards

driveway guard
is a form of safety netting that can be installed on either side of the driveway to prevent cars from crossing onto the grass. These, too, are retractable and can adjust sideways to the required width.
Most netting driveway guards are available in multiple colors so they can fit into different outdoor design styles.

Hedges or trees

This is probably the most popular choice for most people, as vegetation is the most visually appealing and adds to the home's curb appeal.
Many hedges are easy for the average homeowner to take care of. Like many other options, hedges can be planted all the way around a yard or just in front of the house along the road. There are tons of varieties, so you can plant a low hedge or one that gives you a lot of privacy.
Similarly, you can plant trees around the border of your yard to prevent people from driving on and over your grass.

Spike strips

Putting up
spike strips
is a simple (and effective) way to tell people not to park on your lawn. The sharp spikes will deflate tires immediately upon impact.
Before putting spike strips around your lawn, check with your neighborhood's homeowners' association. Some don't allow them because they could hurt children or pets.
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Concrete pyramids

These lawn deterrents are often placed along the yard's edge and feature spiky bases that attach to the ground, providing a strong barricade.
Concrete pyramids
are also available in reflective colors, usually white, to make them more visible to vehicles.

Parking posts

parking posts
(or “bollards”) have reflective color strips painted on them, making the edge of the lawn easier to see at night and less likely to be hit by drivers.
When you put parking posts around the edge of your yard, make sure they're close enough that cars can't get through the spaces between them (no more than 2 feet apart). 
But before you install these barriers, you should check with the authorities in your area—in some places, it's against the law to have them.

Security sirens

security sirens
can be put around a property's perimeter to keep unwanted visitors and their vehicles out.
Just keep in mind that if a wild animal or even a human gets too close to them, these sirens can cause a major disturbance. These are a fantastic option if your home is set back from the road, if your view to the grass's edge is restricted, or if you travel often.

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Choosing any one of these barriers to keep cars off your grass is a great way to prevent your lawn from being damaged—and a fantastic way to prevent overspending on your
home insurance
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In certain scenarios, yes! If the source of the damage is included in your home insurance policy (a sewer line issue, for example), then any landscaping-related costs can be covered. 
Damage from things like weather conditions and pests, in most cases, aren’t covered—so be sure to review your specific policy!
If the fence is entirely on your property, then no, it’s entirely up to you to pay for the cost of a fence installation. If your proposed fence extends onto your neighbors' property, you’ll have to refer to your state’s fence laws to see what exactly your next steps are.
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