Blanco County property record for 423 Diamondback Dr, Round Mountain, TX 78663
| Property Type | Rural Home |
|---|---|
| Details | 2 ba · 1,941 sqft · built 2020 |
| Lot Size | 5 acres (217,800 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $31,300 (Nov 2005) |
| Tax Bill | $5,854 (2026) |
| Deeds & Mortgages | Mar 2022 Mortgage |
| APN | R9500 |
| Primary APN | R9500 |
|---|---|
| Alternative APN |
|
| Full Baths | 2 Baths |
|---|---|
| Plumbing Fixtures | 1 Plumbing Fixture |
| Building Area | 1,941 sqft Living Area |
| Gross Area | 2,691 sqft |
| 1st Floor Area | 750 sqft |
| 2nd Floor Area | 555 sqft |
| Year Built | Built 2020 |
|---|---|
| Effective Year Built | Effective 2020 |
| Lot Area | 217,800 sqft (5 acres) |
| Porch | Slab |
| Porch Area | 649 sqft |
| Total Buildings | 2 Buildings |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | 26870790000283001 |
|---|---|
| Street Address | 423 DIAMONDBACK DR |
| City | ROUND MOUNTAIN |
| State | TX |
| Zip | 78663-5019 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Legal Description | RATTLESNAKE MOUNTAIN, LOT 11, ACRES 5.0 |
| Legal Subdivision | RATTLESNAKE MOUNTAIN |
| Legal Tract | 11 |
| Legal Lot Number | 11 |
| Jurisdiction | BLANCO TX |
| Township / Civil Division | JOHNSON CITY |
| Census Block Group | 3 |
| Census Block | 3043 |
| Census Tract | 950102 |
Source: Blanco County records, as of September 23, 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 Record |
|---|---|
| Mailing Address | 423 DIAMONDBACK DR, ROUND MOUNTAIN, TX 78663-5019 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 2, 2005 · Amount on Record |
| Deed Sale | Nov 2, 2005 · Amount on Record |
| Deed Document Number | 20054096 |
| Deed Book / Page | 330 / 36 |
| Prior Transfer Date | Oct 25, 2005 |
| Prior Transfer Doc | 000330/036 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BLANCO TX |
| Property Address | 423 DIAMONDBACK DR, ROUND MOUNTAIN, TX 78663-5019 |
| Transaction Type | Mortgage |
| Record Updated | Mar 31, 2022 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000221403 |
|---|---|
| Date | Mar 15, 2022 |
| Instrument | 221403 |
| Name | NATIONS RELIABLE LENDING LLC |
|---|---|
| Type | Mortgage Company |
| Address | HOUSTON, TX 77057 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 1, 2052 |
Source: Blanco County assessment roll, as of October 23, 2025
| Type | Name |
|---|---|
| State | Texas |
| County | Blanco County |
| Unified School District | Johnson City Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $5,854.00 (+50.03%) | $432,892 (+6.77%) | $630,410 (-) Land $191,900 Building $438,510 |
| 2025 | $3,902.00 (-33.57%) Homeowner's exemption | $405,452 (-31%) | $630,410 (+7.29%) Land $191,900 Building $438,510 |
| 2023 | $5,874.00 Homeowner's exemption | $587,600 Land $161,600 Building $426,000 | $587,600 Land $161,600 Building $426,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Policies | 1 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 68% of the US · above 57% of Texas |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 8 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| Hill Country Networks Fixed Wireless | 25 / 5 |
May also be available: AT&T, T-Mobile, VGI Technology.
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