Williamson County property record for 3638 Nolan Ryan, Round Rock, TX 78665
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 3,023 sqft · built 2000 |
| Lot Size | 0.259 acres (11,303 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $6,234 (2025) |
| Deeds & Mortgages | Jun 2021 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-5223-000B-0083 |
| Primary APN | R-16-5223-000B-0083 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Stories | 2 Stories |
| Building Area | 3,023 sqft Living Area |
| 1st Floor Area | 1,831 sqft |
| 2nd Floor Area | 1,192 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2000 |
| Exterior Material | Brick Veneer |
| Roof Type | Hip |
| Lot Area | 11,303 sqft (0.259 acres) |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
|---|---|
| Porch Area | 189 sqft |
| Deck Area | 345 sqft |
| Patio Area | 100 sqft |
| Utility Building | 120 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R165223000B0083 |
|---|---|
| Street Address | 3638 NOLAN RYAN |
| City | ROUND ROCK |
| State | TX |
| Zip | 78665-2373 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SF2 |
| Legal Description | S7387 - RYANS CROSSING SEC 1, BLOCK B, LOT 83 |
| Legal Subdivision | RYANS CROSSING SEC 1 |
| Legal Block | B |
| Legal Lot Number | 83 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 21511 |
3638 Nolan Ryan is owner-occupied and held in a trust since June 2021.
Source: Williamson County records, as of September 11, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 3638 NOLAN RYAN, ROUND ROCK, TX 78665-2373 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jun 8, 2021 |
| Transfer Doc | 0000093453 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Jun 23, 2021 |
| Property Address | 3638 NOLAN RYAN, ROUND ROCK, TX 78665-2373 |
| Document Number | 0000093453 |
| Map Reference | CAB S SL 273&274 |
| Instrument Date | Jun 8, 2021 |
| Instrument | 2021093453 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Revocable Trust |
| Address | 3638 NOLAN RYAN, ROUND ROCK, TX 78665-2373 |
The 2025 property tax bill for 3638 Nolan Ryan was $6,234 with a homeowner's exemption.
Source: Williamson County assessment roll, as of September 11, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Williamson County |
| Municipality | Round Rock City |
| Unified School District | Round Rock Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $6,234.00 Homeowner's exemption | $411,152 Land $77,000 Building $334,152 | $411,152 Land $77,000 Building $334,152 |
| 2023 | $5,114.00 (-7.15%) Homeowner's exemption | $470,154 Land $80,000 Building $390,154 | $470,154 Land $80,000 Building $390,154 |
| 2022 | $5,508.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3638 Nolan Ryan in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective October 5, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 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.
The area around 3638 Nolan Ryan has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | CITY OF ROUND ROCK serves 130,662 people · EPA ID TX2460003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2023 |
| Lead | 5 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 323 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: SOS Communications.
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