Unicoi County property record for 522 Holston Ave, Erwin, TN 37650 · Last verified April 2026
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 912 sqft · built 1918 |
| Lot Size | 0.119 acres (5,201 sqft) |
| Owner | Individual Name on File |
| Last Sale | $42,000 (Oct 1998) |
| Tax Bill | $527 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 031F-F-016.00 |
| Primary APN | 031F-F-016.00 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1 Bath |
|---|---|
| Plumbing Fixtures | 3 Plumbing Fixtures |
| Stories | 1 Story |
| Building Area | 912 sqft Living Area |
| Gross Area | 1,176 sqft |
| 1st Floor Area | 912 sqft |
| Flooring | Carpet |
| Interior Walls | Paneling |
| Year Built | Built 1918 |
|---|---|
| Effective Year Built | Effective 1994 |
| Architectural Style | Custom Design |
| Exterior Material | Siding |
| Roof Type | Gable/Hip |
| Roof Material | Composition Shingle |
| Lot Area | 5,201 sqft (0.119 acres) |
| Lot Dimensions | 125 ft deep x 40 ft wide |
| Porch | Enclosed/Finished Porch |
| Porch Area | 384 sqft |
| Cooling System | Package A/C |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 522 HOLSTON AVE |
|---|---|
| City | ERWIN |
| State | TN |
| Zip | 37650-2108 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TWIN OAKS BLK 2 LOT 14 40X125.4 |
| Legal Subdivision | TWIN OAKS |
| Legal Block | 2 |
| Legal Lot Number | 14 |
| Jurisdiction | UNICOI TN |
| Township / Civil Division | 2 |
| Census Block Group | 1 |
| Census Block | 1041 |
| Census Tract | 80400 |
Source: Unicoi County records · APN 031F-F-016.00
Assessment roll updated December 3, 2025 · Last verified April 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1085 ROCK CREEK RD, ERWIN, TN 37650-8886 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 20, 1998 · Amount on Record |
| Deed Sale | Oct 20, 1998 · Amount on Record |
| Deed Book / Page | 197 / 260 |
| Last Transfer Date | Jan 02, 2003 |
| Transfer Doc | 0000397630 |
| Record Updated | Jun 08, 2026 |
Source: Unicoi County records · Assessment roll updated December 3, 2025 · Last verified April 2026
| Type | Name |
|---|---|
| State | Tennessee |
| County | Unicoi County |
| Municipality | Erwin Town |
| Unified School District | Unicoi County School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $20,175 (-) Land $1,875 Building $18,300 | $80,700 (-) Land $7,500 Building $73,200 | |
| 2024 | $527.00 | ||
| 2023 | $20,175 Land $1,875 Building $18,300 | ||
| 2022 | $80,700 Land $7,500 Building $73,200 |
Source: FEMA National Flood Hazard Layer, Unicoi County (47171C), updated August 23, 2016 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 471710804001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Cost | Premium on Record median of 44 individual NFIP policies nearby |
| Nearby Flood Policies | 44 in force |
| Wildfire Risk | Low above 20% of the US · above 28% of Tennessee |
|---|---|
| Wildfire Likelihood | About 1 in 8,333 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 281 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Brightspeed | Fiber | 2,000 / 2,000 |
| Xfinity | Cable | 1,200 / 35 |
| Erwin Utilities | Fiber | 1,000 / 1,000 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Point Broadband Fiber Holding. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
Search by:
By searching, you agree to: Terms • Privacy • Disclosures