If you own land in Iowa, fence laws affect you. That’s true whether you have livestock or not. Most people don’t realize how detailed these rules actually are.
This guide breaks it all down. You’ll learn who pays for fences, how to handle disputes, and what happens if your neighbor won’t cooperate.
What Is a Partition Fence?
A partition fence is a fence built on the property line between two pieces of land. It sits right at the boundary. Both neighbors share it.
Iowa has had fence laws since before the Iowa Code of 1851. That’s how deeply rooted this topic is in the state. The Iowa Supreme Court even called it “difficult to imagine a more deeply rooted Iowa statutory provision.” These rules aren’t going anywhere.
The main law governing partition fences is Iowa Code Chapter 359A. It covers everything. Who builds fences, who pays, how to settle fights, and what counts as a legal fence.
Basic Iowa Fence Laws

You Don’t Have to Build One… Until You Do
Here’s something most people get wrong. You are not automatically required to build or pay for a fence. But that can change fast.
Wondering how? It’s simple. If your neighbor sends you a written request asking for a partition fence, you are now legally obligated to contribute. That’s the trigger under Iowa Code Section 359A.1A.
You don’t need livestock to make this request. You don’t need a special reason either. Any adjoining landowner can start this process. Once that written request is sent, both neighbors must share in building and maintaining the fence.
Sharing the Costs
Once the duty is triggered, costs are split equally. Both neighbors share the burden. That’s the law, plain and simple.
Many people assume this only applies to farmers with animals. Nope. The Iowa Supreme Court has been crystal clear: Chapter 359A applies to all adjoining landowners regardless of how they use their land.
A friend once told me he thought his city-dwelling neighbor couldn’t force him into fence costs. He was wrong. He found out the hard way. Don’t make the same mistake.
What Counts as a Legal Fence?
Okay, pause. This part is important.
Iowa law defines what a “lawful fence” actually is. You can’t just slap up any old barrier and call it done. The law under Section 359A.18 gives you six approved options.
The most common options include three rails of solid material on posts no more than ten feet apart. Another option is three boards at least six inches wide fastened to posts no more than eight feet apart. Barbed wire fences are also common and can qualify if the wire meets specific barb requirements.
High-tensile wire fences can also count. The posts need to be no more than two rods apart. The top wire must be at least 40 inches high.
There is also a catch-all option. Fence viewers, which are local officials who settle fence disputes, can approve any fence they consider to be equivalent to a lawful fence. Pretty flexible, right?
Tight Fences: A Stricter Standard
There is a second type of fence in Iowa law. It’s called a “tight fence.” This is a higher standard. You need a tight fence when your land is used to pasture livestock.
A tight fence under Section 359A.20 must have woven wire on the bottom that is at least 26 inches tall. On top of that goes three strands of barbed wire. The top wire must be between 48 and 54 inches high. Posts must be set firmly no more than 20 feet apart.
Think of it this way. A lawful fence keeps a basic boundary. A tight fence keeps animals in or out. If you keep pigs, sheep, or cattle, you need the stricter version.
How Responsibility Gets Divided

So who maintains which part of the fence? Great question.
Neighbors often use what’s called the “right-hand rule.” Both landowners meet at the midpoint of the shared property line. They stand on their own property and face each other. Each person is responsible for the fence section to their right side.
Honestly, this is one of the parts most people miss. The right-hand rule is not written into the law. It’s a tradition. It’s commonly used, but it is not legally required.
If you and your neighbor agree on a different arrangement, that’s fine. The key is putting it in writing. Oral agreements do not hold up in Iowa. The courts have made that very clear. Fence agreements must be written down and recorded to be binding on current and future owners.
The Fence Viewer Process
Now, here’s where things get serious.
What happens when neighbors can’t agree? Iowa has a built-in system for that. It involves officials called “fence viewers.” These are typically township trustees, which are elected local officials.
Confused about the difference between a trustee and a fence viewer? They’re basically the same thing here. Township trustees are given the power to act as fence viewers under Chapter 359A.
Here’s how the dispute process works. First, you send a written request to your neighbor asking them to build or maintain their share of the fence. If they ignore it or refuse, you contact your township trustees. The trustees give both parties at least five days’ written notice of a hearing. Then the fence viewers meet, review the situation, and issue a binding order.
That order gets recorded on the land records. It is binding not just on the current owners but on whoever buys the land later. Future owners inherit fence duties too.
What If Someone Still Refuses?

Stay with me here. This part matters if you have a stubborn neighbor.
If a landowner refuses to build or pay for a fence after a fence viewer’s order, there are consequences. The other neighbor can sue in district court for failure to comply with the order. Courts take these orders seriously.
In cases involving livestock trespass, the situation gets even more serious. If livestock break through a fence and damage your property, you can seek compensation. The livestock owner can be held responsible for damages and even the costs of rounding up the animals.
There’s also a provision called “habitual trespass” under Section 359A.22A. If animals repeatedly cross onto your land, additional legal remedies may apply. It’s more than just a one-time fine. It’s an ongoing legal obligation.
Hedge Fences: A Uniquely Iowa Rule
Wait, it gets better. Iowa law even covers fences made of plants.
Trees or hedges can legally count as a partition fence. If the fence is a hedge, it must be trimmed in June and September each year. The hedge must be kept within 5 feet of the ground. Both owners can agree to different terms in writing, but that’s the default rule.
This is genuinely one of the more interesting quirks of Iowa fence law. Where else do you find trimming schedules written into the state code?
Local Rules Can Add More Requirements

Here’s something important. Your city or county may have extra rules on top of state law.
Iowa gives cities the power to adopt their own fence ordinances under the “home rule” principle. Local rules just cannot conflict with state law. They can be stricter, but not weaker.
Some towns in Iowa ban barbed wire entirely within city limits. Many local authorities require a building permit before you put up a new fence. Some cities require a permit only for fences over 6 feet tall. Others require permits for any new fence at all.
This means you need to check with your local building department before you start any fence project. Do not assume state law is the only thing that applies to you. It’s more common than you think for people to skip this step and run into problems later.
Spite Fences: A Gray Area
Some people build fences just to be annoying. You know the type.
Iowa does not have a specific law against “spite fences.” These are fences built for no real purpose other than to bother a neighbor. However, a spite fence could still get you in trouble. Iowa law allows a neighbor to call it a “nuisance” if it interferes with their ability to enjoy their property.
A nuisance claim can lead to a court order to remove the fence. It’s not a guaranteed outcome. But building a 10-foot wall of solid concrete just to block your neighbor’s sunlight? That’s a risky move.
How to Handle a Fence Dispute

You’re not alone if you have a fence disagreement. These come up all the time.
Start by talking to your neighbor. Seriously. Most disputes get resolved when people just have an honest conversation. Keep notes of every conversation. Write down dates, what was said, and who was there.
If talking doesn’t work, put your request in writing. Send a letter. Keep a copy. This starts the legal clock running under Chapter 359A.
If your neighbor still doesn’t respond, contact your township trustees. They serve as fence viewers and have the authority to resolve the dispute. Their decision will be recorded and is legally binding on both parties.
When in doubt, talk to a lawyer. Iowa fence law can get complicated fast. A one-hour consultation with an attorney can save you a lot of money and headaches.
Frequently Asked Questions
Do I have to build a fence if my neighbor asks for one?
Yes, once you receive a written request from an adjoining landowner, you are legally obligated to contribute to building and maintaining a partition fence under Iowa Code Section 359A.1A.
Does it matter if I don’t have any livestock?
No. The Iowa Supreme Court has ruled that fence obligations apply to all adjoining landowners, regardless of whether they keep animals on their land.
What is a fence viewer and what do they do?
Fence viewers are township trustees who have the legal authority to resolve disputes about partition fences. They can assign responsibilities to each neighbor and issue a binding order.
Can an oral agreement with my neighbor about the fence hold up in court?
No. Iowa courts have made clear that fence agreements must be written and recorded to be legally binding. A handshake deal won’t protect you.
What if I want a fence but my neighbor lives in another township?
Iowa law has provisions for this. The fence viewers from different townships can work together to resolve disputes when a property line crosses township boundaries under Section 359A.14.
Can a hedge or row of plants count as a legal fence?
Yes. Hedges can qualify as a partition fence in Iowa, but they must be trimmed in June and September and kept no higher than 5 feet unless both neighbors agree otherwise in writing.
Do I need a permit to build a fence in Iowa?
It depends on where you live. Many cities and counties require permits. Some only require them for fences over 6 feet. Always check with your local building department before starting.
Final Thoughts
Iowa fence law is older than the state itself. It’s detailed, it’s serious, and it applies to you even if you never plan to keep a single cow.
The bottom line is this. Know your rights. Put everything in writing. Talk to your neighbor before things escalate. And if they don’t work with you, the legal system has a clear process to resolve it.
Now you know the basics. When in doubt, contact your township trustees or consult an attorney. A little knowledge up front can save a lot of trouble later.
References
- Iowa Code Chapter 359A: Fences — Iowa Legislature, official statute
- Iowa Fence Requirements: A Legal Review — Center for Agricultural Law and Taxation, Iowa State University
- Iowa Fence Law FAQ — Iowa State University Extension and Outreach
- Property Line and Fence Laws in Iowa — FindLaw
- Iowa Fence Law Fact Sheet 2024 — Iowa Cattlemen’s Association