Williamson County property record for 503 Rubio Ave, Round Rock, TX 78664 · Last verified April 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bathrooms | 1 Baths |
| Year Built | Built 1978 |
| Square Footage | 1,292 sqft Living Area |
| Lot Size | 7,841 sqft (0.18 acres) |
| Last Sale | $335,825 (2022) |
| Tax Bill | $3,244.00 (2024) |
| Primary APN | R-16-5360-0003-0007 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1 Baths |
|---|---|
| Building Area | 1,292 sqft Living Area |
| 1st Floor | 1,292 sqft 1st Floor |
| Stories | 1 Stories |
| Primary Flooring | Tile Flooring |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1978 |
| Exterior Material | Wood Exterior |
| Roof Construction | Gable Roof Construction |
| Lot Area | 7,841 sqft (0.18 acres) |
| Porch | Open Porch |
| Porch Area | 96 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Heating Fuel | Gas Heating Fuel |
| Sewage | Sewage Connected |
| Water Source | Yes (Unknown Type) Water Source |
| Account Number | R16536000030007 |
|---|---|
| Street Address | 503 RUBIO AVE |
| City | ROUND ROCK |
| State | TX |
| Zip | 78664-5864 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | SOUTHSIDE ACRES, BLOCK 3, LOT 7 |
| Legal Subdivision | SOUTHSIDE ACRES |
| Legal Block | 3 |
| Legal Lot Number | 7 |
| Jurisdiction | WILLIAMSON TX |
| Minor Civil Division | ROUND ROCK-GEORGETOWN |
| Census Blockgroup | 1 |
| Census Block | 1058 |
| Census Tract | 20701 |
Source: Williamson County records · APN R-16-5360-0003-0007
Assessment roll updated September 15, 2025 · Last verified April 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 304, DRIFTWOOD, TX 78619-0304 |
| Owner Type | Owner is a Company |
| Date | Document |
|---|---|
| Apr 05, 2023 | Deed of Trust, Mortgage · Conventional Mortgage INVESTOR MORTGAGE FINANCE LLC |
| Feb 23, 2022 | Vendor's Lien, Transfer · Stand Alone First Mortgage NEXUS SERIES B LLC |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Feb 23, 2022 · Amount on Record |
| Deed Sale | Feb 23, 2022 · Amount on Record |
| Deed Doc Number | 202222933 |
| Record Refreshed | Jun 08, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Property Address | 503 RUBIO AVE, ROUND ROCK, TX 78664-5864 |
| Transaction Type | Mortgage |
| Record Updated | Apr 18, 2023 |
| Title Company | INDEPENDENCE TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000026887 |
|---|---|
| Date | Apr 05, 2023 |
| Instrument | 2023026887 |
| Name | INVESTOR MORTGAGE FINANCE LLC |
|---|---|
| Address | AUSTIN, TX 78758 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 01, 2053 |
| Document Type | Vendor's Lien |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | Feb 23, 2022 |
| Property Address | 503 RUBIO AVE, ROUND ROCK, TX 78664-5864 |
| Document Number | 0000022933 |
| Map Reference | CAB A SL 323 |
| Instrument Date | Feb 18, 2022 |
| Instrument | 2022022933 |
| Transaction Type | Transfer |
| Record Updated | Mar 08, 2022 |
| Title Company | TEXAS NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 503 RUBIO AVE, 503, ROUND ROCK, TX 78664-5864 |
| Name | Verified Name |
|---|---|
| Address | PO BOX 304, DRIFTWOOD, TX 78619-0304 |
| Document Number | 0000022934 |
|---|---|
| Date | Feb 23, 2022 |
| Instrument | 2022022934 |
| Name | NEXUS SERIES B LLC |
|---|---|
| Type | Non-Lending Institution |
| Special Notes | Lender is also the Seller |
| Type | Stand Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 13 Months |
| Due | Mar 01, 2023 |
Source: Williamson County records · Assessment roll updated September 15, 2025 · Last verified April 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Williamson County |
| Municipality | Round Rock City |
| Unified School District | Round Rock 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 | $3,244.00 | $219,793 (+21.44%) | $233,252 (+28.88%) Land $79,035 Building $154,217 |
| 2024 | $3,244.00 (+2.21%) | ||
| 2023 | $3,174.00 (+255.83%) | $180,983 Land $79,035 Building $101,948 | $180,983 Land $79,035 Building $101,948 |
| 2022 | $892.00 |
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