Hidalgo County property record for 428 Sioux Rd, Alamo, TX 78516
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 4 ba · 1,124 sqft · built 2003 |
| Lot Size | 0.533 acres (23,220 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $687 (2025) |
| APN | S359101000000700 |
| Primary APN | S359101000000700 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 4 Baths |
| Stories | 1 Story |
| Building Area | 1,124 sqft Living Area |
| Gross Area | 1,502 sqft |
| 1st Floor Area | 900 sqft |
| Flooring | Vinyl/Resilient |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2007 |
| Exterior Material | Wood |
| Construction Type | Frame |
| Roof Type | Gable/Hip |
| Roof Material | Composition Shingle |
| Lot Area | 23,220 sqft (0.533 acres) |
| Lot Dimensions | 387 ft deep x 60 ft wide |
| Porch | Covered Porch |
|---|---|
| Porch Area | 378 sqft |
| Patio Area | 256 sqft |
| Canopy | 1,016 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Street Address | 428 SIOUX RD |
|---|---|
| City | ALAMO |
| State | TX |
| Zip | 78516-9785 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RS |
| Legal Description | SIOUX ESTATES UT NO.1 LOT 7 |
| Legal Subdivision | SIOUX ESTATES UT NO. 1 - SDN |
| Legal Block | 1 |
| Legal Lot Number | 7 |
| Jurisdiction | HIDALGO TX |
| Township / Civil Division | MCALLEN-PHARR |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 21905 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Individually Listed | Louisiana-Rio Grande Canal Company Irrigation System listed 1995 · 3 contributing resources · NRIS 95001284 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
428 Sioux Rd is owned and occupied by two individuals who acquired it in April 2010.
Source: Hidalgo County records, as of September 16, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 428 SIOUX RD, ALAMO, TX 78516-9785 |
| Occupancy | Owner Occupied |
| 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 |
|---|---|
| Last Transfer Date | Apr 30, 2010 |
| Transfer Doc | 0002098721 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 428 Sioux Rd was $687 with exemptions applied, up 1.8% from the year before.
Source: Hidalgo County assessment roll, as of September 16, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Hidalgo County |
| Unified School District | Donna Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $106,515 (+1%) | $185,402 (+33.61%) Land $67,338 Building $118,064 | |
| 2025 | $687.00 (+1.78%) Homeowner's exemption Disabled Person's exemption | $96,832 Land $67,338 Building $71,423 | $138,761 Land $67,338 Building $71,423 |
| 2024 | $675.00 (-17.18%) | ||
| 2023 | $815.00 (-1.09%) Homeowner's exemption Disabled Person's exemption | $89,193 Land $44,118 Building $45,075 | $89,193 Land $44,118 Building $45,075 |
| 2022 | $824.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA has no flood map on file for 428 Sioux Rd; there have been 3 flood claims nearby since 2020.
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 | 8 in force |
| Nearby Flood Claims | 3 (2020–2025) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Mar 2025 · Severe Storms And Flooding |
| 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 428 Sioux Rd 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 94% of the US · lower than 97.4% of Texas |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | None beyond ember reach |
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 | NORTH ALAMO WSC serves 171,195 people · EPA ID TX1080029 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Aug 2024 |
| Lead | Under 1 ppb (2024–2026) action level 15 ppb |
| Water Quality | Total trihalomethanes resolved · Oct 2025 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 3 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 190 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Metronet Fiber | 5,120 / 5,120 |
| Spectrum Cable | 1,000 / 1,000 |
| TWIN Fixed Wireless | 400 / 100 |
| VTX Communications Fixed Wireless | 400 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile.
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