Last year, the county property tax rates on either side of the Sevier-Blount line in Seymour were 11 cents apart. This year they are 42 cents apart. Both counties reappraised in 2026 and both cut their rates, but by very different amounts. That difference tells a buyer comparing two Seymour houses something useful. The seller's last tax bill is the wrong guide on either side of the line, and it is more wrong on the Sevier side.
Seymour is unincorporated and sits in northwest Sevier County and northeast Blount County. Chapman Highway, US-441, runs through it and meets US-411 and Boyds Creek Highway near the community's center, according to Seymour's Wikipedia entry. ZIP code references for 37865 list Sevier as the primary county and Blount as the other. Two houses with the same mailing address format can pay taxes to different counties, under different rates, on values set by different assessors.
Two Rates, Reset in the Same Season
Sevier County commissioners set the 2026-27 county rate at $0.87 per $100 of assessed value, down from $1.48, The Mountain Press reported. The paper reported that the county's latest reappraisal raised valuations by an average of 75%. Sevier County Mayor Larry Waters told the paper the new rate would still be the lowest in the state.
Blount County's commission approved its 2026-27 budget 19-0 on June 18, 2026, with a county rate of $1.29 per $100, according to the county. The 2025-26 rate had been $1.59. In April, The Daily Times reported that budget estimates put Blount's total property value increase at 18% to 20%, which pointed to a rate between $1.29 and $1.31.
| Sevier County | Blount County | |
|---|---|---|
| Prior county rate per $100 | $1.48 | $1.59 |
| 2026-27 county rate per $100 | $0.87 | $1.29 |
| Rate cut | 41% | 19% |
| Reported value increase | 75% average | 18% to 20% estimated, April 2026 |
| Next reappraisal | Not confirmed | 2028 |
Blount's next reappraisal date comes from the Tennessee Comptroller's reappraisal schedule, which lists 2026 as its last and 2028 as its next, on a two-year cycle.
Why the Gap Widened
Tennessee uses a certified tax rate to keep a reappraisal from raising total tax revenue just because values went up, the Comptroller explains. After values are reset, the rate is recalculated so the county collects about what it did before, and local governments can adopt a different rate by following the required process.
That makes each county's rate cut a mirror of its own revaluation. Sevier's values climbed much more than Blount's, so Sevier's rate had to drop much further to bring in the same money. The new 42-cent gap reflects how far apart the two counties' values moved since their last reappraisals. Neither county decided to start taxing Seymour homeowners more heavily or more lightly.
Sevier's rate also carries a small rounding. Waters told The Mountain Press the county was setting the rate before the Board of Equalization had finished hearing appraisal appeals, and that rounding up to $0.87 meant exceeding the certified rate, though not by much. The property assessor's first estimate had been $0.89.
The Bar a House Has to Clear
A countywide average hides the spread underneath it. In neighboring Knox County, which also reappraised in 2026, the chief deputy property assessor, Jim Weaver, put the rule plainly to WATE after values there rose about 60% overall: "Bottom line is if your value did not increase more than 60%, then you probably are looking at no difference in your taxes." Properties that rose more than the average could see an increase, and those that rose less could see a decrease, he told the station.
The same rule applies in Seymour, but the bar sits at a different height on each side of the line. A Sevier-side house had to rise about 75%, the county average, to come out roughly even. On the Blount side the bar is far lower, near the 18% to 20% the county estimated in April. A Blount-side house that gained 40% may have cleared its county's bar by a wide margin. A Sevier-side house that gained 40% fell well short of its county's bar, so its bill probably dropped even though its value rose.
The math behind every bill is the same statewide. The Comptroller's tax bill guide says residential property is assessed at 25% of appraised value, and that assessed value is multiplied by the rate per $100. The hypothetical houses below use that formula and county rates only. They leave out any other charges that might apply to a specific parcel.
| Hypothetical house | Old appraisal | Old county bill | New appraisal | New county bill |
|---|---|---|---|---|
| Sevier side, rose 75% | $200,000 | $740 | $350,000 | about $761 |
| Sevier side, rose 120% | $200,000 | $740 | $440,000 | $957 |
| Blount side, rose 19% | $200,000 | $795 | $238,000 | about $768 |
| Blount side, rose 40% | $200,000 | $795 | $280,000 | $903 |
The Sevier house that tracked the average comes out about even, and the small increase is the rounding to $0.87. The Sevier house that beat the average by a wide margin goes up about 29%. On the Blount side, a 40% gain is enough to push the bill up, because that county's bar is so much lower.
A buyer looking at a seller's prior-year county tax figure is looking at a number computed on the old value and the old rate. On the Sevier side, where values moved more, that figure can be furthest from the new one, in either direction.
Same Value, Different Bill
Once both counties have reset values, two houses with the same new appraisal will carry different county bills. In the table, a $350,000 appraisal costs about $761 a year at Sevier's rate and about $1,129 at Blount's. That gap is real for anyone comparing two finished numbers. It is still only one line in the carrying cost, and each county's rate pays for a different budget.
Timing matters as well. Blount reappraises again in 2028, on the schedule the Comptroller lists, so values and the rate on that side are set to be recalculated within two years. Anyone holding a Blount-side property should expect the bar to move again soon.
Bills Already in the Mail
By the time this posts, the first bills on 2026 values have gone out on both sides of the line. The Sevier County Trustee mails bills the first week of October. They are payable beginning October 1 and delinquent if unpaid by the last day of February, which for 2026 taxes is February 28, 2027. Blount County's Trustee FAQ says its notices typically go out in early to mid-September, are payable through the end of February, and become delinquent March 1.
For anyone under contract on a Seymour house this winter, the current-year bill on the new values is available now. It is a much better reference than any figure from last year.
One More Line Item on the Sevier Side
For investors, the county line also changes what an overnight rental costs to run. Sevier County requires short-term rental units outside city limits to hold an annual permit and pass a yearly inspection. The posted fee is $250 for units sleeping 12 or fewer, plus $25 for each additional occupant for units sleeping 13 or more. The program started January 1, 2024. Because unincorporated Seymour is outside city limits, a Sevier-side rental falls under that program. Anyone looking at a Blount-side property for rental use should check that county's current rules directly before modeling income.
County budgets also decide what gets built nearby. In June 2026, WATE reported that Sevier County and Seymour leaders were considering a multi-use park of about $7 million on 20 to 30 acres. Sites near Chapman Highway and Wye Road or South Rogers Road were under consideration, but no land had been acquired and the location was not settled.
FAQ
Does a lower tax rate mean a lower bill? Not necessarily. The certified rate is designed to keep total county revenue about the same, so an individual bill depends on how that property's value changed compared with its county's overall increase.
Is Sevier's $0.87 the exact certified rate? No. The Mountain Press reported that the commission rounded up while equalization hearings were still underway, so $0.87 sits slightly above the certified rate.
How do I confirm which county a Seymour address is in? Go by the county named on the parcel's tax bill from the Sevier or Blount trustee, not by the ZIP code, since 37865 covers parts of both counties.
This post is general information, not legal, tax or financial advice. Confirm your own property's assessment and bill with the county assessor, the trustee, or a tax professional.
When you're comparing Seymour properties on both sides of the county line, Kelly White can pull the current-year tax bills, check Sevier's rental permit status, and help you compare carrying costs before you write an offer. Receive Listings & Investment Insights.
