Unicoi County property record for 510 New Ave, Erwin, TN 37650
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 1,488 sqft · built 1948 |
| Lot Size | 0.3 acres (13,074 sqft) |
| Owner | Individual Name on File |
| Last Sale | $89,000 (Aug 2012) |
| Tax Bill | $988 (2024) |
| Deeds & Mortgages | Dec 2023 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 023N-H-019.00 |
| Primary APN | 023N-H-019.00 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1 Bath |
|---|---|
| Plumbing Fixtures | 3 Plumbing Fixtures |
| Stories | 1 Story |
| Building Area | 1,488 sqft Living Area |
| Gross Area | 2,240 sqft |
| 1st Floor Area | 1,056 sqft |
| Basement Area | 864 sqft |
| Finished Basement | 432 sqft |
| Unfinished Basement | 432 sqft |
| Flooring | Carpet |
| Interior Walls | Paneling |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1998 |
| Architectural Style | Custom Design |
| Exterior Material | Siding |
| Roof Type | Gable/Hip |
| Roof Material | Metal |
| Lot Area | 13,074 sqft (0.3 acres) |
| Lot Dimensions | 153 ft deep x 80 ft wide |
| Terrain | Rolling |
| Porch | Finished Screened Porch |
|---|---|
| Porch Area | 41 sqft |
| Patio Area | 240 sqft |
| Shed | 1 Shed |
| Shed Area | 180 sqft |
| Canopy | 240 sqft |
| Utility Building | 180 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Heat Pump |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 510 NEW AVE |
|---|---|
| City | ERWIN |
| State | TN |
| Zip | 37650-1366 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-1 |
| Legal Description | E D CO PB 145 PG 51 BLK F LOT 5 & 90X156.5X60X150 |
| Legal Subdivision | E D CO |
| Legal Block | F |
| Legal Lot Number | 5 |
| Jurisdiction | UNICOI TN |
| Township / Civil Division | 2 |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 80400 |
510 New Ave is owned and occupied by an individual who bought it in August 2012.
Source: Unicoi County records, as of March 25, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 510 NEW AVE, ERWIN, TN 37650-1366 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 21, 2012 · Amount on File |
| Deed Sale | Aug 21, 2012 · Amount on File |
| Deed Document Number | 20121639 |
| Deed Book / Page | 361 / 974 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | UNICOI TN |
| Property Address | 510 NEW AVE, ERWIN, TN 37650-1366 |
| Transaction Type | Mortgage |
| Record Updated | Jan 15, 2024 |
| Name | Verified Name |
|---|---|
| Address | 510 NEW AVE, ERWIN, TN 37650-1366 |
| Document Number | 0000476928 |
|---|---|
| Date | Dec 28, 2023 |
| Book Page | 476/928 |
| Instrument | 23002358 |
| Name | FIRST HORIZON BANK |
|---|---|
| Type | Bank |
| Address | JOHNSON CITY, TN 37604 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 300 Months |
| Due | Dec 22, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
Source: Unicoi County assessment roll, as of December 3, 2025
| Type | Name |
|---|---|
| State | Tennessee |
| County | Unicoi County |
| Municipality | Erwin Town |
| Unified School District | Unicoi County School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $37,850 Land $6,050 Building $31,800 | $151,400 Land $24,200 Building $127,200 | |
| 2024 | $988.00 | ||
| 2023 | $34,675 (-) Land $6,050 Building $28,625 | ||
| 2022 | $815.00 | $34,675 Land $6,050 Building $28,625 | $151,400 Land $24,200 Building $127,200 |
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.
FEMA maps place 510 New Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective August 23, 2016 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 44 policies |
| Nearby Flood Policies | 44 in force |
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.
Wildfire risk around 510 New Ave is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 72% of Tennessee |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | ERWIN UTILITIES AUTHORITY serves 12,478 people · EPA ID TN0000231 |
|---|---|
| Water Source | Groundwater influenced by surface water |
| Last State Inspection | Feb 2023 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 187 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Brightspeed Fiber | 2,000 / 2,000 |
| Xfinity Cable | 1,200 / 35 |
| Erwin Fiber Fiber | 1,000 / 1,000 |
May also be available: Point Broadband, T-Mobile, Verizon.
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