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3644 Nolan Ryan, Round Rock, TX 78665 Property Records

Williamson County property record for 3644 Nolan Ryan, Round Rock, TX 78665

Property Summary

Property TypeSingle Family Home
Details2 ba · 2,171 sqft · built 2000
Lot Size0.205 acres (8,909 sqft)
OwnerIndividual Name on File
Last Sale$335,160 (Mar 2024)
Tax Bill$6,373 (2025)
Deeds & MortgagesMar 2024 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APNR-16-5223-000B-0080

Property Details

APN / Parcel Number

Primary APNR-16-5223-000B-0080
Alternative APNs
  • R401211
  • 216842

Interior

Full Baths2 Baths
Stories1 Story
Building Area2,171 sqft Living Area
1st Floor Area2,171 sqft
FlooringCarpet
Interior WallsWallboard/Drywall
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2000
Effective Year BuiltEffective 2000
Exterior MaterialBrick Veneer
Roof TypeHip
Lot Area8,909 sqft (0.205 acres)
Garage Area380 sqft
Parking Spaces1 Parking Space
PorchOpen Porch
Porch Area182 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Account NumberR165223000B0080
Street Address3644 NOLAN RYAN
CityROUND ROCK
StateTX
Zip78665-2373
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeSF2
Legal DescriptionS7387 - RYANS CROSSING SEC 1, BLOCK B, LOT 80
Legal SubdivisionRYANS CROSSING SEC 1
Legal BlockB
Legal Lot Number80
JurisdictionWILLIAMSON TX
Township / Civil DivisionROUND ROCK-GEORGETOWN
Census Block Group1
Census Block1006
Census Tract21511

Owner

3644 Nolan Ryan is owned and occupied by an individual who bought it in March 2024.

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

Owner of RecordIndividual Name on File
Mailing Address3644 NOLAN RYAN, ROUND ROCK, TX 78665-2373
OccupancyOwner Occupied
Owner TypeIndividual
VestingMarried

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
Last SaleMar 7, 2024 · Amount on File
Deed SaleMar 7, 2024 · Amount on File
Prior SaleAug 18, 2006 · Amount on File
Deed Document Number202417667
Prior Transfer DateAug 15, 2006
Prior Transfer Doc0000070775
Record UpdatedOct 29, 2026

March 2024: Deed, Transfer

Document TypeDeed
JurisdictionWILLIAMSON TX
Recording DateMar 7, 2024
Property Address3644 NOLAN RYAN, ROUND ROCK, TX 78665-2373
Document Number0000017667
Instrument DateFeb 21, 2024
Instrument2024017667
Transaction TypeTransfer
Record UpdatedApr 15, 2024
Title CompanyCOMDOR TITLE

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address3644 NOLAN RYAN, ROUND ROCK, TX 78665-2373

Mortgage

Document Number0000017668
DateMar 7, 2024
Instrument2024017668
Lender
NameNEXA MORTGAGE LLC
TypeMortgage Company
Address3100 W RAY RD STE 201, CHANDLER, AZ 85226
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueMar 1, 2054

Tax Assessment & Valuation

The 2025 property tax bill for 3644 Nolan Ryan was $6,373.

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
2025$6,373.00$335,079 Land $77,000 Building $258,079$335,079 Land $77,000 Building $258,079
2023$1,973.00 (-40.09%) Homeowner's exemption Senior Citizen's exemption$392,504 Land $80,000 Building $312,504$392,504 Land $80,000 Building $312,504
2022$3,293.00

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

Flood

FEMA maps place 3644 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 ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
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

The area around 3644 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 RiskNot rated
no burnable land within ember reach

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 323 locations within half a mile, as of December 31, 2025

ProviderMax 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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