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  5. Holston Ave

506 Holston Ave, Erwin, TN 37650 Property Records

Unicoi County property record for 506 Holston Ave, Erwin, TN 37650

Property Summary

Property TypeSingle Family Home
Details1 ba · 924 sqft · built 1918
Lot Size0.115 acres (5,031 sqft)
Owner2 Individual Names on Record
Last Sale$41,500 (Jun 2009)
Tax Bill$436 (2024)
Deeds & MortgagesMar 2021 Transfer
Flood ZoneZone X (minimal risk)
APN031F-F-011.00

Property Details

APN / Parcel Number

Primary APN031F-F-011.00
Alternative APNs
  • 086031F F 01100
  • 000007646

Interior

Full Baths1 Bath
Plumbing Fixtures3 Plumbing Fixtures
Stories1 Story
Building Area924 sqft Living Area
1st Floor Area924 sqft
Basement Area154 sqft
FlooringCarpet
Interior WallsPlaster

Exterior

Year BuiltBuilt 1918
Effective Year BuiltEffective 1982
Architectural StyleCustom Design
Exterior MaterialSiding
Foundation TypeFooting
Roof TypeGable/Hip
Roof MaterialMetal
Lot Area5,031 sqft (0.115 acres)
Lot Dimensions125 ft deep x 40 ft wide
PorchOpen/Unfinished Porch
Porch Area120 sqft
Utility Building220 sqft

Utilities, Heating & Cooling

Cooling SystemPackage A/C
Heating SystemHVAC
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address506 HOLSTON AVE
CityERWIN
StateTN
Zip37650-2108
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeB-1
Legal DescriptionTWIN OAKS LOT 19 40X125.4
Legal SubdivisionTWIN OAKS
Legal Lot Number19
JurisdictionUNICOI TN
Township / Civil Division2
Census Block Group1
Census Block1041
Census Tract80400

Owner

Source: Unicoi County records, as of March 25, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on Record
Mailing Address506 HOLSTON AVE, ERWIN, TN 37650-2108
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 5, 2009 · Amount on Record
Deed SaleJun 5, 2009 · Amount on Record
Prior SaleMar 24, 1998 · Amount on Record
Deed Book / Page333 / 616
Last Transfer DateMar 18, 2021
Transfer Doc0000443493
Record UpdatedOct 29, 2026

March 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionUNICOI TN
Recording DateMar 18, 2021
Property Address506 HOLSTON AVE, ERWIN, TN 37650-2108
Document Number0000443493
Book / Page443 / 493
Instrument DateMar 18, 2021
Instrument21000568
Transaction TypeTransfer
Record UpdatedApr 2, 2024
Title CompanyDEBBIE TITLE

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address506 HOLSTON AVE, ERWIN, TN 37650-2108

Tax Assessment & Valuation

Source: Unicoi County assessment roll, as of December 3, 2025

Property Jurisdictions

TypeName
StateTennessee
CountyUnicoi County
MunicipalityErwin Town
Unified School DistrictUnicoi County School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$16,700 (-) Land $1,875 Building $14,825$66,800 (-) Land $7,500 Building $59,300
2024$436.00 (+10.94%)
2023$16,700 (-) Land $1,875 Building $14,825
2022$393.00$16,700 Land $1,875 Building $14,825$66,800 Land $7,500 Building $59,300

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.

Flood

Source: FEMA National Flood Hazard Layer, effective August 23, 2016 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 44 policies
Nearby Flood Policies44 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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 80% of the US · lower than 72% of Tennessee
Wildfire Likelihood0.01% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemERWIN UTILITIES AUTHORITY
serves 12,478 people · EPA ID TN0000231
Water SourceGroundwater influenced by surface water
Last State InspectionFeb 2023
LeadUnder 1 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 281 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Brightspeed
Fiber		2,000 / 2,000
Xfinity
Cable		1,200 / 35
Erwin Fiber
Fiber		1,000 / 1,000
Verizon
Fixed Wireless		300 / 20
T-Mobile
Fixed Wireless		100 / 20

May also be available: Point Broadband.

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