Harrison County property record for 491 Dorough Island Rd, Karnack, TX 75661
| Property Type | Single Family Home |
|---|---|
| Details | 892 sqft · built 1974 |
| Lot Size | 0.354 acres (15,420 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,290 (2025) |
| Deeds & Mortgages | Jul 2018 Transfer |
| Flood Zone | Zone A (high risk) |
| APN | R000035816 |
| Primary APN | R000035816 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 892 sqft Living Area |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1974 |
| Lot Area | 15,420 sqft (0.354 acres) |
| Garage Type | Detached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
| Boat Access | Boat Access |
| Account Number | R000035816 |
|---|---|
| Street Address | 491 DOROUGH ISLAND RD |
| City | KARNACK |
| State | TX |
| Zip | 75661 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ACRES: 0.354 SUBD: DOROUGH RD ABST: 33 J ADAMS HSE |
| Legal Subdivision | DOROUGH RD |
| Jurisdiction | HARRISON TX |
| Township / Civil Division | WASKOM |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 20105 |
491 Dorough Island Rd is owned by an individual who acquired it in July 2018.
Source: Harrison County records, as of May 27, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 188 TWIN OAKS LN, LONGVIEW, TX 75605-5995 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jul 19, 2018 |
| Transfer Doc | 0000007778 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | HARRISON TX |
| Recording Date | Jul 19, 2018 |
| Property Address | 491 DOROUGH ISLAND RD, KARNACK, TX 75661 |
| Document Number | 0000007778 |
| Instrument Date | Jul 19, 2018 |
| Instrument | 7778 |
| Transaction Type | Transfer |
| Record Updated | Aug 9, 2018 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Life Estate |
| Address | 188 TWIN OAKS LN LONGVIEW TX 756055995, LONGVIEW, TX 75605-5995 |
The 2025 property tax bill for 491 Dorough Island Rd was $1,290, up 71.1% from the year before.
Source: Harrison County assessment roll, as of November 11, 2025
| Type | Name |
|---|---|
| State | Texas |
| County | Harrison County |
| Unified School District | Karnack Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,290.00 (+71.09%) | $142,720 Land $35,490 Building $107,230 | $142,720 Land $35,490 Building $107,230 |
| 2024 | $754.00 (-21.95%) | ||
| 2023 | $966.00 | $101,260 Land $40,560 Building $60,700 | $101,260 Land $40,560 Building $60,700 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 491 Dorough Island Rd in Zone A, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective September 2, 2014 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone A high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Not determined for this zone |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 58 policies |
| Nearby Flood Policies | 58 in force |
| Nearby Flood Claims | 26 (2016–2024) |
| Claims Outside the SFHA | 1 of 26 |
| Most Recent Claim | Jun 2024 · rainfall accumulation |
| Claims by Event |
|
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 491 Dorough Island Rd is low, with a 0.06% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 62% of the US · lower than 87% of Texas |
|---|---|
| Wildfire Likelihood | 0.06% annual chance |
| Exposure | Direct burnable vegetation |
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 | CADDO LAKE WSC serves 1,230 people · EPA ID TX1020019 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Dec 2023 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 41 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Nextlink Fixed Wireless | 500 / 100 |
| Starlink Satellite | 280 / 30 |
| Windstream DSL | 100 / 20 |
| T-Mobile Fixed Wireless | 25 / 3 |
4G LTE (outdoors only), no 5G reported
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