In Arizona, no general state statute makes a neighbor pay for half of a boundary fence or wall. Who pays comes down to who owns it, what the two owners agreed, and what any HOA documents or recorded restrictions say.
This page is general information, not legal advice. For a dispute, talk to a lawyer or to your city or county.
Does my neighbor have to pay for half of a new fence?
No, not by state statute. A neighbor does not have to pay for half unless they agreed to, or unless a recorded document such as HOA covenants puts the duty on both lots. Many Tucson neighbors do split the cost of a shared block wall because both benefit from it. That is a private agreement, and it should be in writing. If you believe the neighbor damaged the wall, that is a separate claim for a court to decide.
Who owns the fence between two properties?
A fence or wall that sits entirely on one lot belongs to that lot's owner. One built on the line is commonly treated as belonging to both. In subdivisions the developer usually built the block walls, and the recorded plat or the covenants may say who maintains them. If you do not know which side of the line the wall is on, a survey will show it.
Can my neighbor put up a fence without asking me?
Generally yes, on their own property, provided it meets the height, permit and HOA rules. They may not attach it to a wall you own, build it on your land, or build without asking me and then bill me for half. If the work blocks a drainage path and sends water onto your lot, raise that with the city or county.
A survey shows the fence is on the wrong side of the line. Now what?
Talk to the neighbor first and show them the survey. The two usual outcomes are moving the fence to the line or signing a written agreement that lets it stay. A wall that has stood off the line for many years can raise legal questions about the boundary, so see a real estate lawyer before you sign or tear anything down. Once the survey shows the fence must move, we can rebuild it on the correct line.
The contractor built my new fence over the property line. Who fixes it?
The contractor should, if they picked the location or ignored survey markers. Send a written request to move it at no charge. Your position is weaker if you told them where to build, which is why the location and who marked it belong in the estimate. If a licensed contractor refuses, you can file a complaint with the Arizona Registrar of Contractors.
My neighbor and I agreed to split a new fence. How does the billing work?
Put it in writing before work starts: where the fence goes, the material, the height, the price and each owner's share. Both of you sign. Since Arizona has no statute that sets the split, that paper is what you rely on later. We can write the estimate so the shared side and each share appear as separate lines.
The house next door is a rental and I cannot reach the owner. Can I build on my side?
Yes. You can build on your own land without the neighbor's consent, as long as you follow the local rules. Mark the line first. The owner's mailing address is on the Pima County Assessor's public record if you want to write about sharing the cost, but they are not required to agree.
The old fence on our side is rotted and the neighbor will not pay. Can I take it down and rebuild?
If the fence is on your property, yes, it is yours to replace. If it is on the line or you are not sure, tell the neighbor in writing before removing it, and keep a copy. When a neighbor will not pay a share that a written agreement or covenant says they owe, the usual route is the small claims division of the Pima County justice courts. A lawyer can tell you whether you have a claim.
My neighbor's tree roots are lifting our fence. Who handles that?
Have an arborist look at the roots, and have a fence contractor deal with the fence. Cutting major roots of a mesquite or other mature tree can kill it or make it unstable, and then you have a second dispute. Often the fence can bridge the root with a wider post spacing or a raised bottom rail.
A business next door stacks material against my chain link fence and it is bending. Can it be reinforced?
It can be stiffened with heavier posts, a bottom rail or a tension wire. It will still bend if the load stays, because chain link is not built to hold weight. Ask the business in writing to move the material. If they do not, contact code enforcement for the city or Pima County.
Only a visit to your property gives a real number. The estimate is free. Call (520) 462-4332 or text us a photo of the fence line.