3639 Nolan Ryan, Round Rock, TX 78665 Property Records

Williamson County property record for 3639 Nolan Ryan, Round Rock, TX 78665

Property Summary

Property TypeExempt (Full or Partial)
Lot Size3.76 acres (164,221 sqft)
OwnerCompany Name on File
Tax Bill$19 (2023)
Flood ZoneZone X (minimal risk)
APNR-16-5226-000I-0060

Property Details

APN / Parcel Number

Primary APNR-16-5226-000I-0060
Alternative APNs
  • R415653
  • 227654

Exterior

Lot Area164,221 sqft

Location & Zoning

Account NumberR165226000I0060
Street Address3639 NOLAN RYAN
CityROUND ROCK
StateTX
Zip78665-2373
Property CategoryOther
Property TypeOther > Exempt (Full or Partial)
Local Zoning CodeSF2
Legal DescriptionS7958 - RYANS CROSSING SEC 4 AMENDED, BLOCK I, LOT 60, ACRES 3.77, (DRAINAGE EASEMENT)
Legal SubdivisionRYANS CROSSING SEC 4 AMENDED
Legal BlockI
Legal Lot Number60
JurisdictionWILLIAMSON TX
Township / Civil DivisionROUND ROCK-GEORGETOWN
Census Block Group1
Census Block1013
Census Tract21511

Owner

3639 Nolan Ryan is owned by a company.

Source: Williamson County records, as of September 11, 2026

Owner of RecordCompany Name on File
Mailing Address101 E OLD SETTLERS BLVD, 200, ROUND ROCK, TX 78664-2266
Owner TypeCompany

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

Source: Williamson County assessment roll, as of September 11, 2026

Property Jurisdictions

TypeName
StateTexas
CountyWilliamson County
MunicipalityRound Rock City
Unified School DistrictRound Rock Independent School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025Additional exemption filed$1,131 Land $1,131$1,131 Land $1,131
2023$19.00 Additional exemption filed$1,131 Land $1,131$1,131 Land $1,131

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 3639 Nolan Ryan in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 5, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies4 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.

Wildfire

Wildfire risk around 3639 Nolan Ryan is low, with a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 97% of the US · lower than 98.3% of Texas
Wildfire Likelihood0.01% annual chance
ExposureDirect
burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCITY OF ROUND ROCK
serves 130,662 people · EPA ID TX2460003
Water SourceSurface water
Last State InspectionSep 2023
Lead5 ppb (2021–2023)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 512 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable · Fiber in parts of the area
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20
AT&T
DSL · Fixed Wireless in parts of the area
100 / 20

May also be available: SOS Communications.

Nearby Properties on Nolan Ryan

Nearby Streets

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