4517 Sidereal Dr, Austin, TX 78727 Property Records

Travis County property record for 4517 Sidereal Dr, Austin, TX 78727

Property Summary

Property TypeSingle Family Home
Details2.5 ba · 2,319 sqft · built 1984
Lot Size0.189 acres (8,229 sqft)
OwnerIndividual Name on Record
Tax Bill$13,217 (2025)
Flood ZoneZone X (minimal risk)
APN0266080814

Property Details

APN / Parcel Number

Primary APN0266080814
Alternative APNs
  • 02660808140000
  • 270419

Interior

Full Baths2.5 Baths
Half Baths1 Half Bath
Stories2 Stories
Building Area2,319 sqft Living Area
Gross Area2,754 sqft
1st Floor Area1,509 sqft
2nd Floor Area810 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1984
Effective Year BuiltEffective 1984
Construction TypeWood
Roof TypeGable
Roof MaterialComposition Shingle
Lot Area8,229 sqft (0.189 acres)
Lot Dimensions130 ft deep x 64 ft wide
Garage TypeAttached
Garage Area435 sqft
Parking Spaces2 Parking Spaces

Exterior Amenities

Pool Area420 sqft
PorchOpen Porch
Porch Area25 sqft
Deck Area464 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Account Number270419
Street Address4517 SIDEREAL DR
CityAUSTIN
StateTX
Zip78727-5121
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 14 BLK V MILWOOD SEC 10
Legal SubdivisionMILWOOD SEC 10
Legal BlockV
Legal Lot Number14
JurisdictionTRAVIS TX
Township / Civil DivisionAUSTIN
Census Block Group1
Census Block1003
Census Tract41300

Owner

Source: Travis County records, as of March 16, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on Record
Mailing Address1111 BOERNE DR, CEDAR PARK, TX 78613-5943
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 3, 2015
Deed SaleAug 3, 2015
Prior SaleJul 3, 2007 · Amount on Record
Deed Document Number2015123114
Prior Transfer DateJun 29, 2007
Prior Transfer Doc0000121987
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Travis County assessment roll, as of March 16, 2026

Property Jurisdictions

TypeName
StateTexas
MunicipalityAustin City
CountyTravis County
Unified School DistrictAustin Independent School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$13,217.00 (-7.53%)$645,859 (-5.72%) Land $266,777 Building $379,082$645,859 (-5.72%) Land $266,777 Building $379,082
2024$14,293.00 (+0.83%)
2023$685,073 Land $150,000 Building $535,073$685,073 Land $150,000 Building $535,073
2022$14,176.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective May 17, 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
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies9 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

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

Wildfire RiskLow
lower than 99.1% of the US · lower than 99.3% of Texas
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 AUSTIN WATER & WASTEWATER
serves 1,115,323 people · EPA ID TX2270001
Water SourceSurface water
Last State InspectionJul 2023
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityTurbidity
resolved · Feb 2022
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 504 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Google Fiber
Fiber
8,000 / 8,000
Spectrum
Cable
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20
AT&T
Fixed Wireless · DSL · Fiber in parts of the area
100 / 20

May also be available: Astound Broadband, Western Broadband.

Nearby Properties on Sidereal Dr

Nearby Streets

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