What Herndon's Town Tax Buys That Reston's Assessment Doesn't

Here's a puzzle that doesn't resolve the way most people expect. Take two homes assessed at roughly the same value, one inside the Town of Herndon and one in unincorporated Reston a few miles away. The Herndon home carries a tax line the Reston home doesn't: a town real estate tax on top of the county rate. Ask most buyers which one costs more to own, and they'll point at Herndon. The math says otherwise, at least as often as not.

The confusion starts with a fair assumption: an extra tax line should mean an extra cost. But Herndon's town tax isn't sitting on top of a system that already covers everything a homeowner needs. It's replacing services that Reston residents often pay for anyway, just somewhere else on the ledger.

The Rate Gap Is Smaller Than It Looks, and Less Uniform Than It Sounds

Start with what's actually on the books. Fairfax County's base real estate tax rate is $1.1225 per $100 of assessed value. The Town of Herndon adds its own rate on top of that, set at $0.270 per $100 for the fiscal year that started this July, unchanged from the prior year's increase. Combined, a Herndon property lands at $1.3925 per $100, applied uniformly across the entire town.

Reston doesn't have a single number to compare against that. Because Reston is unincorporated, its government-side rate depends on which small tax district a specific parcel sits in. Some Reston parcels carry only the base county rate plus a stormwater and pest infestation charge, landing around $1.1535 per $100. Others, typically those inside the small district that funds the Reston Community Center and carries a Dulles Rail corridor charge, run closer to $1.3205 per $100. Same neighborhood, same general market, two different government tax rates depending on the parcel line.

That's the first correction to the obvious story. Herndon's rate is higher than Reston's floor but close to or below Reston's ceiling, and it's the same number for every address in town. Reston's rate is lower in places and comparable in others, and you don't know which until you look up the specific parcel.

What the Herndon Tax Actually Pays For

The reason the comparison matters is what each rate is funding. Herndon's town tax isn't a surcharge for the privilege of a town name on the mailing address. It funds a set of municipal services that a Fairfax County resident outside a town has to arrange and pay for separately.

Town crews handle weekly trash, recycling, and yard waste pickup for Herndon addresses, with the recycling stream handled under a contract with Republic Services. There's no separate hauler bill to negotiate or budget for. The Herndon Police Department operates as its own department layered on top of Fairfax County police coverage, not a replacement for it but an addition. The tax also supports the Herndon Centennial Golf Course, the Chestnut Grove Cemetery, the Herndon Community Center, and the town's parks system. None of that is optional or opt-in. It comes with the address.

The town also draws revenue from a meals tax, which sits at 4.5 percent as of the current budget, up from 3.75 percent as of last fiscal year's adopted budget. That's a consumption tax, not a property tax, but it's part of the same funding picture that keeps the town's real estate rate from climbing faster than it has.

A Herndon tax bill is a bundle. A Reston tax bill is closer to a starting price.

What Reston's Assessment Buys, and What It Deliberately Doesn't

Reston's comparable obligation isn't a government tax at all. It's the Reston Association's annual assessment, set at $890 for 2026, a 5 percent increase adopted by the RA board in November 2025. That fee funds Reston's 15 outdoor pools, its tennis and pickleball courts, its lakes and trail network, recreation programs, and covenant enforcement through the Design Review Board.

What it doesn't fund is the pair of things Herndon bundles automatically. Reston Association does not maintain neighborhood roads. Most Reston streets fall to the Virginia Department of Transportation, with some handled separately by cluster associations. And the RA assessment doesn't include trash pickup. Reston households typically contract with a private hauler or pay through a cluster association that does, which means the actual cost of getting your bins emptied doesn't show up anywhere in the RA's published assessment.

There's also a layer Herndon mostly doesn't have. More than 160 sub-associations sit inside Reston, meaning a given home may owe only the RA assessment, or the RA assessment plus a cluster or condo fee on top. Those cluster fees vary a lot by pocket. Soapstone Cluster's annual assessment, for example, runs around $1,880, more than double the RA's own baseline number. Herndon homes, by contrast, often sit outside any HOA structure at all, since many of the town's older neighborhoods predate the HOA-heavy development pattern common in newer Northern Virginia subdivisions.

Running the Numbers on a Comparable Home

Using Herndon's own projected average residential value for the current fiscal year, about $589,276, here's how the layers actually stack up.

In the lower Reston tax district, the combined total still comes in under Herndon's. In the higher one, once you add the RA assessment, Reston's total can actually pass Herndon's, and that's before factoring in a private trash contract or a cluster fee that might add another four figures a year. The town most buyers assume is the expensive one isn't reliably the expensive one. It's the predictable one.

Why This Matters More Than the Sticker Rate

None of this makes one town a better financial choice than the other. It makes the comparison more specific than most buyers expect it to be. A listing price and a posted tax rate tell you almost nothing about total carrying cost unless you also know what's bundled into that rate and what's been pushed off into a private contract you'll have to go find yourself.

For a Herndon property, that means confirming the current town rate directly with the town's revenue office, since it's reset each budget cycle, most recently holding flat at $0.270 after last year's one-cent increase. For a Reston property, it means two separate lookups: the parcel's specific tax district, since the rate isn't the same across town, and the resale disclosure packet, which will show the RA assessment plus any cluster or condo fee attached to that address. Skipping either one means comparing a full number in one town to a partial number in the other, and drawing the wrong conclusion from it.

A Few Questions Worth Asking Before You Compare Two Towns

Does Vienna work the same way as Herndon? Vienna is the other incorporated town in this part of Northern Virginia and follows the same two-layer model, a town rate added to the county base. Confirm the current rate directly with the town, since councils set it annually and it isn't fixed.

Will Herndon's tax rate go up again next year? Possibly. The Town Council sets the rate each spring as part of the annual budget process. It rose a penny last fiscal year after holding flat for over a decade, then held level for the fiscal year that started this July. There's no built-in reason it can't move again.

Does every Reston home carry a private cluster fee on top of the RA assessment? No. Some parcels owe only the Reston Association assessment. Many others sit inside a cluster or condominium association with its own separate fee, and those numbers vary widely from one pocket of Reston to the next. The only way to know for a specific address is to order the resale disclosure packet for that property, and the cluster or condo packet if one applies.

That last point is really the whole argument in miniature. The tax rate on a listing sheet is a starting number, not a finishing one, in either town. The way to know what a home actually costs to carry is to pull the actual documents for that specific address, not to compare town reputations.

If you're weighing a move between Herndon and Reston, or trying to figure out what a specific address will really cost once every layer is counted, All Reston Real Estate can pull the tax district lookup and the relevant disclosure packets before you write an offer. Get a Free Home Valuation and a straight answer on what a particular property actually costs to hold, not just what its tax line says.