Does ARVCast cover Gallatin, TN?

Yes — Gallatin is covered as part of Sumner County, TN.

How accurate are ARV estimates in Sumner County?

In the latest backtest (2026-08-06), the median absolute error was 9.2% across 381 held-out arms-length sales, with 76.6% of estimates within ±20% of the actual sale price.

Can I get this data via API?

Yes — the same ARV, comps, and parcel data is available through the ARVCast API on RapidAPI. See the API docs.

Gallatin, TN — ARV estimates & comps

Gallatin (ZIP 37066) is part of ARVCast's Sumner County, TN coverage: instant after-repair values, arms-length comps, and parcel-level property data.

How accurate is ARVCast in Sumner County?

9.2%

Median error (MdAPE)

76.6%

Within ±20% of sale price

381

Sales backtested

Backtest of 2026-08-06 against held-out arms-length sales.

Run an ARV lookup in Gallatin

Enter an address to get an instant after-repair value with comps.

ZIP codes

37066

Frequently asked questions

Does ARVCast cover Gallatin, TN?: Yes — Gallatin is covered as part of Sumner County, TN.
How accurate are ARV estimates in Sumner County?: In the latest backtest (2026-08-06), the median absolute error was 9.2% across 381 held-out arms-length sales, with 76.6% of estimates within ±20% of the actual sale price.
Which ZIP codes does this include?: 37066.
Can I get this data via API?: Yes — the same ARV, comps, and parcel data is available through the ARVCast API on RapidAPI. See the API docs.

Gallatin is part of Sumner County, TN coverage.

Nearby in Sumner County:Hendersonville

Also covered:Shelby County, TN Fayette County, TN Tipton County, TN Haywood County, TN Madison County, TN Gibson County, TN Henderson County, TN Weakley County, TN Wilson County, TN Maury County, TN Davidson County, TN Rutherford County, TN Robertson County, TN Cheatham County, TN Dickson County, TN Marshall County, TN Rhea County, TN Bedford County, TN Blount County, TN Union County, TN White County, TN Coffee County, TN Roane County, TN Anderson County, TN Bradley County, TN Putnam County, TN Lincoln County, TN Loudon County, TN Jefferson County, TN Hamblen County, TN Bledsoe County, TN Washington County, TN Moore County, TN DeKalb County, TN Franklin County, TN Claiborne County, TN Warren County, TN Sevier County, TN Trousdale County, TN Giles County, TN Cumberland County, TN Macon County, TN Sullivan County, TN Cannon County, TN Carter County, TN Hawkins County, TN McMinn County, TN Overton County, TN Monroe County, TN Smith County, TN Greene County, TN Campbell County, TN Lewis County, TN

Need this programmatically? ARVCast API docs.