You can use an RV park as a permanent address for some purposes, but whether it holds up for a driver’s license, voter registration, taxes, or insurance depends less on the park itself and more on which state you’ve formally claimed as your legal domicile. An RV park street address is fine for packages and short stays. For anything the government or an insurer cares about, what matters is the paper trail tying you to one state as your permanent home.
What Government Agencies Actually Accept
No single rule governs whether an RV park address counts as a “real” address. Each agency applies its own standards, and the answer varies by state.
For a driver’s license, you need a physical residential address. A P.O. Box won’t work, especially under REAL ID. Some state DMVs accept an RV park lot number as that physical address; others want a traditional street address tied to a mail forwarding service inside the state. Whatever address you use, it has to match the state where you’re claiming domicile.
Voter registration follows the same logic. You register where you’re domiciled, and the strongest indicators of domicile are where you hold a driver’s license, where your vehicles are registered, and where you vote. Voting is widely considered the single strongest indicator of intent to maintain a permanent home in a particular state.1Judge Advocate General’s Corps. Legal Residence and Domicile Most states let you register with a mail forwarding service address as long as it’s your legal address in the state.
For taxes, your domicile state determines where you owe income tax on your worldwide earnings. If you earn money while physically present in another state that levies income tax, that state may want a share too. A clearly established domicile is what keeps you from arguing with two tax authorities at once.
Why Mail at an RV Park Is a Problem
Don’t count on mail being delivered to your RV site. The U.S. Postal Service classifies most RV parks as “transient developments,” meaning all mail goes to a single point designated by park management, and staff distribute it internally.2USPS. Handbook PO-632 4-2 Residential Mobile or Trailer Home Development For a few weeks, that’s fine. For bank statements, government notices, and insurance documents you cannot afford to miss, the gaps become a real problem.
A P.O. Box fixes reliability but federal agencies and most state DMVs won’t accept it as a physical residential address. That’s why most full-time RVers use a commercial mail forwarding service. These services provide a street address, not a box number, that qualifies as a physical address for licenses, vehicle registration, and voter rolls. The service receives your mail and either forwards envelopes to wherever you’re parked or scans everything digitally. Monthly costs typically run $15 to $50 depending on volume and scanning options.
The Park May Not Let You Stay Anyway
Even with your legal paperwork sorted, the park itself may not allow year-round residency. Many parks cap continuous stays at anywhere from two weeks to six months, and leases often explicitly prohibit permanent residency. These rules usually reflect the zoning the park operates under.
Local ordinances typically classify RV parks as residential, commercial, or mixed-use. Commercially zoned parks have more flexibility in layout but face stricter traffic and noise regulations. Residentially zoned parks must follow the same rules as surrounding single-family neighborhoods, which can include occupancy limits and minimum lot sizes that effectively prevent year-round RV living. Some jurisdictions require a special-use permit for stays beyond a set number of days. A park that allows long stays without the right permits risks fines or losing its operating license.
Before committing to a park as your home base, ask management directly about the maximum stay policy and whether zoning allows permanent residents. A manager who says “we look the other way” is telling you something important about the risk you’d be taking.
Picking a Domicile State
Most full-time RVers choose a domicile state based on tax burden, how easy it is to establish residency, and whether state agencies are used to dealing with people who aren’t physically present most of the year. Florida, South Dakota, and Texas consistently top the list. None of them levy a state individual income tax, and all three have built infrastructure specifically for RVers through mail forwarding services, RV clubs, and DMV offices accustomed to processing nomadic residents. Five other states also have no individual income tax (Alaska, Nevada, New Hampshire, Tennessee, and Wyoming), bringing the total to eight as of 2026, but they lack the same RV-friendly ecosystem.
South Dakota has the lightest physical-presence requirement. To qualify as a resident, you spend one night in the state, obtain a local mail forwarding address, and sign an affidavit declaring your intent to return. From there you can apply for a license and register your vehicles. Florida takes a different approach: you file a sworn Declaration of Domicile with the county clerk’s office, formally recording your intent to make Florida your permanent home. Texas has no single filing requirement but weighs the overall picture, including your license, vehicle registration, voter registration, mailing address, and banking relationships.
Trade-offs go beyond income tax. Vehicle registration fees, insurance costs, and inspection requirements vary. Some states require annual vehicle safety inspections; others don’t. Choose based on the full package, not just the tax headline.
Building the Paper Trail
Claiming a state isn’t enough on its own. Courts and tax authorities look at the totality of your connections, and a single document rarely settles the question.1Judge Advocate General’s Corps. Legal Residence and Domicile The more of the following you complete, the stronger your position:
- Sign up for a mail forwarding service in your chosen state. This address becomes the foundation for everything else.
- Visit the state in person. You’ll need to physically appear at the DMV and possibly the county clerk’s office. South Dakota requires at least one overnight stay; other states may expect more.
- Surrender your old license and apply for a new one. Bring proof of identity, your new in-state address, Social Security documentation, and proof of insurance. Some states waive the driving test if you already hold a valid license.
- Transfer your vehicle registration. You’ll need the title, proof of insurance from a company licensed in the state, your new license, and the registration fees.
- Register to vote using your mail forwarding address. In most states this is the single strongest indicator of domicile intent.
- File a domicile declaration if your state offers one. Even where it’s optional, filing strengthens your case.
- Update banks, investment accounts, insurance policies, and the IRS. Consistency across all records matters.
The order isn’t arbitrary. You generally can’t register a vehicle without a license, and you can’t get a license without a physical address. Work through the list sequentially during one visit and most people finish in a few days.
The Insurance Garaging Address Trap
Auto and RV policies require a “garaging address,” the location where your vehicle is normally parked overnight. Insurers use it to price premiums based on local crime, traffic, weather, and repair costs. If your policy lists a South Dakota mail forwarding address but your RV spends eleven months a year in Arizona, that’s a mismatch that can hurt you.
Insurers increasingly use license plate recognition and telematics data to flag vehicles that aren’t where their policies say they should be. The consequences of a mismatch range from adjusted premiums to a denied claim to policy cancellation for material misrepresentation. A major accident followed by a refused payout because the garaging address was wrong is the kind of loss that wipes out years of savings.
The practical fix is honesty. If you’re constantly traveling, tell your insurer. Some companies specialize in full-time RV coverage and understand that “garaged” means wherever you’re parked this week. These policies cost more than one pegged to a low-risk zip code, but they pay when you need them.
What Happens If You Don’t Pick a State
Failing to establish domicile anywhere doesn’t mean you owe taxes nowhere. It can mean you owe taxes in multiple states. A person can be a domiciliary of one state and a statutory resident of another at the same time, with both taxing worldwide income. You’d then rely on one state granting a credit for taxes paid to the other, and that credit isn’t guaranteed to cover the full amount.
A murky domicile also complicates estate planning. If you die without a clearly established domicile, more than one state can claim your estate for estate tax, and your heirs may face legal battles across jurisdictions just to settle your affairs. The same ambiguity affects which state’s laws govern your will, powers of attorney, and healthcare directives.
The RVers most at risk are those who let their old license expire without getting a new one, who stay registered to vote in a state they left years ago, or who keep banking and insurance scattered across three states with no consistency. Pick one state, move everything there, and keep the paper trail intact. The cost of a mail forwarding service and a trip to the DMV is trivial compared to a multi-state tax dispute.