Travis County property record for 4520 Sidereal Dr, Austin, TX 78727 · Last verified November 2025
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,776 sqft · built 1984 |
| Lot Size | 0.373 acres (16,278 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,625 (2024) |
| Deeds & Mortgages | May 2023 Mortgage Apr 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 0266080743 |
| Primary APN | 0266080743 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Stories | 1 Story |
| Building Area | 1,776 sqft Living Area |
| Gross Area | 2,248 sqft |
| 1st Floor Area | 1,776 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 | 16,278 sqft (0.373 acres) |
| Lot Dimensions | 162 ft deep x 102 ft wide |
| Garage Type | Attached |
| Garage Area | 472 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 92 sqft |
| Deck Area | 144 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Account Number | 270392 |
|---|---|
| Old Parcel Number | 02660807430000 |
| Street Address | 4520 SIDEREAL DR |
| City | AUSTIN |
| State | TX |
| Zip | 78727-5105 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 43 BLK U MILWOOD SEC 10 |
| Legal Subdivision | MILWOOD SEC 10 |
| Legal Block | U |
| Legal Lot Number | 43 |
| Jurisdiction | TRAVIS TX |
| Township / Civil Division | AUSTIN |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 41300 |
Source: Travis County records · APN 0266080743
Assessment roll updated August 1, 2025 · Last verified November 2025
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| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4520 SIDEREAL DR, AUSTIN, TX 78727-5105 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| May 26, 2023 | Deed of Trust, Mortgage · Conventional Mortgage A+ FCU |
| Apr 18, 2018 | Deed of Trust, Mortgage · Stand-Alone First Mortgage A+ FCU |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 23, 1989 |
| Deed Sale | Jun 23, 1989 |
| Deed Document Number | 0010968107 |
| Record Updated | Jun 08, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | TRAVIS TX |
| Property Address | 4520 SIDEREAL DR, AUSTIN, TX 78727-5105 |
| Transaction Type | Mortgage |
| Record Updated | Jun 23, 2023 |
| Name | Verified Name |
|---|---|
| Address | 4520 SIDEREAL DR, AUSTIN, TX 78727-5105 |
| Document Number | 0000058141 |
|---|---|
| Date | May 26, 2023 |
| Instrument | 2023058141 |
| Name | A+ FCU |
|---|---|
| Type | Credit Union |
| Address | AUSTIN, TX 78723 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Jun 01, 2038 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | TRAVIS TX |
| Property Address | 4520 SIDEREAL DR, AUSTIN, TX 78727-5105 |
| Transaction Type | Mortgage |
| Record Updated | Nov 11, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000058974 |
|---|---|
| Date | Apr 18, 2018 |
| Instrument | 2018058974 |
| Name | A+ FCU |
|---|---|
| Type | Credit Union |
| Address | AUSTIN, TX 78723 |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | May 01, 2033 |
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 | $506,730 (-15.42%) Land $284,747 Building $221,983 | $506,730 (-15.42%) Land $284,747 Building $221,983 | |
| 2024 | $2,625.00 (-27.16%) | ||
| 2023 | $599,093 Land $162,000 Building $437,093 | $599,093 Land $162,000 Building $437,093 | |
| 2022 | $3,604.00 |
Source: FEMA National Flood Hazard Layer, Travis County (48453C), updated May 17, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 484530413001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Flood Insurance Cost | Premium on Record median of 9 individual NFIP policies nearby |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 9 in force 9 of 9 on primary residences |
| Wildfire Risk | Low above 34% of the US · above 9% of Texas |
|---|---|
| Wildfire Likelihood | About 1 in 5,000 per year |
| Exposure | Direct burnable vegetation at the parcel |
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.
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