Guadalupe County property record for 813 Branch Rd, San Marcos, TX 78666
| Property Type | Other |
|---|---|
| Lot Size | 25 acres (1,089,000 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $26 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 000000176979 |
| Primary APN | 000000176979 |
|---|---|
| Alternative APNs |
|
| Lot Area | 1,089,000 sqft |
|---|
| Street Address | 813 BRANCH RD |
|---|---|
| City | SEGUIN |
| State | TX |
| Zip | 78155-0011 |
| Property Category | Other |
| Property Type | Other > Miscellaneous |
| Legal Description | ABS: 84 SUR: JOHN B COWAN 25.00 AC. AKA BLUE STEM RESERVE TRACT #21 |
| Legal Subdivision | COWAN JOHN B |
| Legal Tract | 21 |
| Legal Block | 2 |
| Jurisdiction | GUADALUPE TX |
| Township / Civil Division | NORTHEAST GUADALUPE |
| Census Block Group | 2 |
| Census Block | 2036 |
| Census Tract | 210506 |
813 Branch Rd is owned by two individuals.
Source: Guadalupe County records, as of August 12, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 813 BRANCH RD, SEGUIN, TX 78155-0011 |
| 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 | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 813 Branch Rd was $26, down 3.7% from the year before.
Source: Guadalupe County assessment roll, as of August 12, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Guadalupe County |
| Unified School District | Seguin Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $349,422 (-22.91%) Land $2,075 | $349,422 (-22.91%) Land $349,422 | |
| 2025 | $26.00 (-3.7%) | $453,280 Land $1,875 | $453,280 Land $453,280 |
| 2024 | $27.00 (-3.57%) | ||
| 2023 | $28.00 (-2%) | $1,950 Land $1,950 | $414,670 Land $414,670 |
| 2022 | $35.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 813 Branch Rd in Zone X, an area of minimal flood risk, though there have been 23 flood claims nearby since 1998.
Source: FEMA National Flood Hazard Layer, effective April 27, 2026 · 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 24 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 24 in force |
| Nearby Flood Claims | 23 (1998–2017) |
| Claims Outside the SFHA | 3 of 23 |
| Most Recent Claim | Aug 2017 · Hurricane Harvey |
| 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 813 Branch Rd is moderate, ranking above 60% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 60% of the US · above 43% 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: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CRYSTAL CLEAR SUD serves 20,766 people · EPA ID TX0940015 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Aug 2025 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | Haloacetic acids resolved · Jul 2019 Total trihalomethanes resolved · Jul 2019 Failure to filter resolved · Apr 2012 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 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 8 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Guadalupe Valley Electric Cooperative Fiber | 1,000 / 1,000 |
| VTX Communications Fixed Wireless | 400 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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