Travis County property record for 4523 Sidereal Dr, Austin, TX 78727
| Property Type | Single Family Home |
|---|---|
| Details | 3 ba · 1,566 sqft · built 1984 |
| Lot Size | 0.161 acres (7,048 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $10,782 (2024) |
| Deeds & Mortgages | Sep 2021 Mortgage Aug 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 0266080811 |
| Primary APN | 0266080811 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3 Baths |
|---|---|
| Stories | 2 Stories |
| Building Area | 1,566 sqft Living Area |
| Gross Area | 2,060 sqft |
| 1st Floor Area | 783 sqft |
| 2nd Floor Area | 783 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1984 |
|---|---|
| Construction Type | Wood Frame |
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 7,048 sqft (0.161 acres) |
| Lot Dimensions | 120 ft deep x 60 ft wide |
| Garage Type | Attached |
| Garage Area | 494 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
|---|---|
| Porch Area | 108 sqft |
| Deck Area | 270 sqft |
| Patio Area | 80 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Account Number | 270416 |
|---|---|
| Old Parcel Number | 02660808110000 |
| Street Address | 4523 SIDEREAL DR |
| City | AUSTIN |
| State | TX |
| Zip | 78727-5121 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 11 BLK V MILWOOD SEC 10 |
| Legal Subdivision | MILWOOD SEC 10 |
| Legal Block | V |
| Legal Lot Number | 11 |
| Jurisdiction | TRAVIS TX |
| Township / Civil Division | AUSTIN |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 41300 |
Source: Travis County records · APN 0266080811
Assessment roll updated August 1, 2025 · Last verified November 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Co-owner | Verified Secondary Owner |
| Mailing Address | 1208 FIELDCREST DR, AUSTIN, TX 78704-5344 |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Sep 30, 2021 | Intrafamily Transfer, Transfer · Commercial Mortgage STRONG HOME MORTGAGE LLC |
| Aug 26, 2019 | Deed of Trust, Mortgage FIRSTBANK |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 30, 2014 |
| Deed Sale | Sep 30, 2014 |
| Prior Sale | Sep 30, 2014 |
| Deed Document Number | 0000146332 |
| Last Transfer Date | Sep 30, 2021 |
| Transfer Doc | 0000218771 |
| Record Updated | Jun 08, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | TRAVIS TX |
| Recording Date | Sep 30, 2021 |
| Property Address | 4523 SIDEREAL DR, AUSTIN, TX 78727-5121 |
| Document Number | 0000218771 |
| Map Reference | VOL 81 PG 235 |
| Instrument Date | Sep 28, 2021 |
| Instrument | 2021218771 |
| Transaction Type | Transfer |
| Record Updated | Nov 11, 2021 |
| Title Company | ACCOMODATION, ACCOMMODATION |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1208 FIELDCREST DR, AUSTIN, TX 78704-5344 |
| Document Number | 0000218772 |
|---|---|
| Date | Sep 30, 2021 |
| Instrument | 2021218772 |
| Name | STRONG HOME MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | TRAVIS TX |
| Property Address | 4523 SIDEREAL DR, AUSTIN, TX 78727-5121 |
| Document Number | 0000137282 |
| Instrument Date | Aug 26, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Sep 26, 2019 |
| Title Company | ATTORNEY ONLY |
| Name | Verified Name |
|---|---|
| Address | 4823 SIDEREAL DR AUSTIN TX 78727, AUSTIN, TX 78727 |
| Document Number | 0000137282 |
|---|---|
| Date | Sep 06, 2019 |
| Instrument | 137282 |
| Name | FIRSTBANK |
|---|---|
| Type | Bank |
| Address | FRANKLIN, TN 37067 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Sep 05, 2049 |
Source: Travis County records · Assessment roll updated August 1, 2025 · Last verified November 2025
| Type | Name |
|---|---|
| State | Texas |
| Municipality | Austin City |
| County | Travis County |
| Unified School District | Austin Independent School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $486,991 (-11.52%) Land $258,564 Building $228,427 | $486,991 (-11.52%) Land $258,564 Building $228,427 | |
| 2024 | $10,782.00 (-2.06%) | ||
| 2023 | $550,372 Land $150,000 Building $400,372 | $550,372 Land $150,000 Building $400,372 | |
| 2022 | $11,009.00 |
Source: FEMA National Flood Hazard Layer as of May 17, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 9 in force |
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.3% of Texas |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Google Fiber Fiber | 8,000 / 8,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Electronic Corporate Pages, Radiate Holdings.
Based on FCC filings for 504 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF AUSTIN WATER & WASTEWATER serves 1,115,323 people |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2023 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | Turbidity resolved · Feb 2022 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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