Travis County property record for 4515 Sidereal Dr, Austin, TX 78727 · Last verified November 2025
| Property Type | Single Family Home |
|---|---|
| Details | 3 ba · 2,388 sqft · built 1984 |
| Lot Size | 0.202 acres (8,830 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $8,382 (2024) |
| Deeds & Mortgages | Mar 2024 Mortgage Jun 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 0266080815 |
| Primary APN | 0266080815 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3 Baths |
|---|---|
| Stories | 2 Stories |
| Building Area | 2,388 sqft Living Area |
| Gross Area | 2,813 sqft |
| 1st Floor Area | 1,169 sqft |
| 2nd Floor Area | 1,219 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1990 |
| Construction Type | Wood Frame |
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 8,830 sqft (0.202 acres) |
| Lot Dimensions | 133 ft deep x 63 ft wide |
| Garage Type | Attached |
| Garage Area | 425 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Type | Pool with Hot Tub/Spa |
|---|---|
| Porch | Open Porch |
| Porch Area | 365 sqft |
| Deck Area | 88 sqft |
| Patio Area | 250 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Account Number | 270420 |
|---|---|
| Old Parcel Number | 02660808150000 |
| Street Address | 4515 SIDEREAL DR |
| City | AUSTIN |
| State | TX |
| Zip | 78727-5121 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 15 BLK V MILWOOD SEC 10 |
| Legal Subdivision | MILWOOD SEC 10 |
| Legal Block | V |
| Legal Lot Number | 15 |
| Jurisdiction | TRAVIS TX |
| Township / Civil Division | AUSTIN |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 41300 |
Source: Travis County records · APN 0266080815
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 |
|---|---|
| Mailing Address | 4515 SIDEREAL DR, AUSTIN, TX 78727-5121 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Mar 25, 2024 | Vendor's Lien, Transfer · Conventional Mortgage NBKC BANK |
| Jun 13, 2019 | Vendor's Lien, Transfer · VA Mortgage NAVY FCU |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 25, 2024 |
| Deed Sale | Mar 25, 2024 |
| Prior Sale | Jun 13, 2019 |
| Deed Document Number | 2024031515 |
| Record Updated | Jun 08, 2026 |
| Document Type | Vendor's Lien |
|---|---|
| Jurisdiction | TRAVIS TX |
| Recording Date | Mar 25, 2024 |
| Property Address | 4515 SIDEREAL DR, AUSTIN, TX 78727-5121 |
| Document Number | 0000031515 |
| Map Reference | VOL 9880 PG 95 |
| Instrument Date | Mar 19, 2024 |
| Instrument | 2024031515 |
| Transaction Type | Transfer |
| Record Updated | Apr 24, 2024 |
| Title Company | AUSTIN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 3444 CARSON AVE, CLOVIS, CA 93611-5597 |
| Name | Verified Name |
|---|---|
| Address | 4515 SIDEREAL DR, AUSTIN, TX 78727-5121 |
| Document Number | 0000031516 |
|---|---|
| Date | Mar 25, 2024 |
| Instrument | 2024031516 |
| Name | NBKC BANK |
|---|---|
| Type | Bank |
| Special Notes | Seller Financed |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 01, 2054 |
| Document Type | Vendor's Lien |
|---|---|
| Jurisdiction | TRAVIS TX |
| Recording Date | Jun 13, 2019 |
| Property Address | 4515 SIDEREAL DR, AUSTIN, TX 78727-5121 |
| Document Number | 0000086579 |
| Map Reference | VOL 81 PG 235 |
| Instrument Date | Jun 13, 2019 |
| Instrument | 2019086579 |
| Transaction Type | Transfer |
| Record Updated | Nov 11, 2021 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4515 SIDEREAL DR, AUSTIN, TX 78727-5121 |
| Document Number | 0000086580 |
|---|---|
| Date | Jun 13, 2019 |
| Instrument | 2019086580 |
| Name | NAVY FCU |
|---|---|
| Type | Credit Union |
| Special Notes | Seller Financed |
| Type | VA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 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 | $502,216 (-29.37%) Land $270,950 Building $231,266 | $502,216 (-29.37%) Land $270,950 Building $231,266 | |
| 2024 | $8,382.00 (-12.44%) | ||
| 2023 | $711,054 Land $150,000 Building $561,054 | $711,054 Land $150,000 Building $561,054 | |
| 2022 | $9,573.00 |
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 |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 9 in force |
| 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.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 504 locations within about half a mile of this property
| Provider | Technology | Download / Upload (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 | 100 / 20 |
| AT&T | DSL | 100 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: AT&T, Radiate Holdings, Electronic Corporate Pages. Availability varies by address; speeds are provider-advertised maximums, not measured.
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