Washington's fee is flat regardless of RV size. Weight-based and value-based states (right) can cost far more for large or expensive rigs.
Washington RV Registration: The Fee Breakdown
Correction: Washington charges motor homes a flat $75 'motor home vehicle weight fee' in lieu of the regular weight-based fee, plus a $30 base vehicle license fee ($105 total before small filing/plate fees) — it is not weight-tiered the way this page previously showed. Whether the Sound Transit (RTA) excise tax add-on applies to motorhomes specifically was not confirmed in this research pass.
| Fee | Amount | Notes |
|---|---|---|
| State Registration Fee | $105 | Flat, all RV classes and weights |
Washington vs. Other Popular RV States — Registration Cost
| State | Annual-Equivalent Fee (~20k lb Class A) | Income Tax |
|---|---|---|
| Washington | ~$105 | None |
| Texas | ~$205 | None |
| South Dakota | ~$396 (0-9 yrs) | None |
| Florida | $58.85 flat | None |
| California | $200–600+ | Yes |
Estimates for a representative ~20,000 lb, $80,000 Class A motorhome, expressed as an annual-equivalent where a state bills less often than yearly.
Is Washington a Full-Timer Domicile State?
Washington is not commonly chosen as a full-timer domicile state. It has no state income tax, and most full-time RVers instead register in South Dakota, Texas, Florida, Nevada, or Wyoming for a combination of lower costs, tax advantages, and established residency services.
Frequently Asked Questions — Washington RV Registration
How much does it cost to register an RV in Washington?
Registering an RV in Washington costs a flat $105 per year, regardless of the RV's size, weight, or value. Always confirm the current fee with your state DMV before registering.
Is Washington's RV registration fee based on weight, value, or a flat rate?
Washington charges a flat annual registration fee of $105 for RVs — it doesn't change based on your RV's weight or its value. A light travel trailer and a heavy Class A motorhome pay the identical state fee.
Does Washington have a state income tax?
No, Washington has no state income tax, which is one of the more attractive features for full-time RVers and remote workers choosing a domicile state.
Is Washington a good state for full-time RVer domicile?
Washington isn't typically recommended as a full-timer domicile state. Most full-time RVers instead choose South Dakota, Texas, Florida, Nevada, or Wyoming, which offer a combination of low registration costs, no state income tax, and established mail-forwarding services for establishing residency without a fixed address.
What else should I know about registering an RV in Washington?
Correction: Washington charges motor homes a flat $75 'motor home vehicle weight fee' in lieu of the regular weight-based fee, plus a $30 base vehicle license fee ($105 total before small filing/plate fees) — it is not weight-tiered the way this page previously showed. Whether the Sound Transit (RTA) excise tax add-on applies to motorhomes specifically was not confirmed in this research pass.