Travis County property record for 5101 Portmarnock Ct, Austin, TX 78747
| Property Type | Single Family Home |
|---|---|
| Details | 3 ba · 2,734 sqft · built 1998 |
| Lot Size | 0.243 acres (10,591 sqft) |
| Owner | Trust Name on File |
| Last Sale | $560,000 (Apr 2021) |
| Tax Bill | $5,982 (2025) |
| Deeds & Mortgages | Nov 2021 Mortgage Apr 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 0443070423 |
| Primary APN | 0443070423 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 2,734 sqft Living Area |
| Gross Area | 3,332 sqft |
| 1st Floor Area | 2,734 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1998 |
|---|---|
| Effective Year Built | Effective 1998 |
| Construction Type | Wood |
| Roof Type | Hip |
| Roof Material | Composition Shingle |
| Lot Area | 10,591 sqft (0.243 acres) |
| Garage Type | Attached |
| Garage Area | 598 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 510 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | 487010 |
|---|---|
| Street Address | 5101 PORTMARNOCK CT |
| City | AUSTIN |
| State | TX |
| Zip | 78747-1466 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 15 BLK C ONION CREEK ADDN |
| Legal Subdivision | ONION CREEK ADDN |
| Legal Block | C |
| Legal Lot Number | 15 |
| Jurisdiction | TRAVIS TX |
| Township / Civil Division | AUSTIN |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 2446 |
5101 Portmarnock Ct is owner-occupied and held in a trust since April 2021.
Source: Travis County records, as of March 16, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 5101 PORTMARNOCK CT, AUSTIN, TX 78747-1466 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Living Trust |
| Date | Document |
|---|---|
| Nov 29, 2021 | Deed of Trust, Mortgage · Conventional Mortgage PENNYMAC LOAN SERVICES LLC |
| Apr 12, 2021 | Vendor's Lien, Transfer · Conventional Mortgage PARKSTONE MORTGAGE LLC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 12, 2021 · Amount on File |
| Deed Sale | Apr 12, 2021 · Amount on File |
| Prior Sale | Oct 15, 1998 · Amount on File |
| Deed Document Number | 202179792 |
| Prior Transfer Date | Mar 11, 2004 |
| Prior Transfer Doc | 0000045261 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | TRAVIS TX |
| Property Address | 5101 PORTMARNOCK CT, AUSTIN, TX 78747-1466 |
| Transaction Type | Mortgage |
| Record Updated | Dec 17, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000260458 |
|---|---|
| Date | Nov 29, 2021 |
| Instrument | 2021260458 |
| Name | PENNYMAC LOAN SERVICES LLC |
|---|---|
| Type | Mortgage Company |
| Address | WESTLAKE VILLAGE, CA 91361 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2051 |
| Document Type | Vendor's Lien |
|---|---|
| Jurisdiction | TRAVIS TX |
| Recording Date | Apr 12, 2021 |
| Property Address | 5101 PORTMARNOCK CT, AUSTIN, TX 78747-1466 |
| Document Number | 0000079792 |
| Map Reference | VOL 93 PG 230 |
| Instrument Date | Apr 8, 2021 |
| Instrument | 2021079792 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | TEXAS NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 22357 CANE PRIMAVERA, VALENCIA, CA 91354 |
| Document Number | 0000079793 |
|---|---|
| Date | Apr 12, 2021 |
| Instrument | 2021079793 |
| Name | PARKSTONE MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Special Notes | Seller Financed |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | May 1, 2051 |
The 2025 property tax bill for 5101 Portmarnock Ct was $5,982 with exemptions applied, down 8.3% from the year before.
Source: Travis County assessment roll, as of March 16, 2026
| Type | Name |
|---|---|
| State | Texas |
| Municipality | Austin City |
| County | Travis County |
| Unified School District | Austin Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $5,982.00 (-8.25%) Homeowner's exemption Senior Citizen's exemption | $566,989 | $582,513 Land $71,050 Building $511,463 |
| 2024 | $6,520.00 | ||
| 2023 | $620,621 Land $66,000 Building $554,621 | $620,621 Land $66,000 Building $554,621 | |
| 2022 | $13,742.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 5101 Portmarnock Ct in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2015.
Source: FEMA National Flood Hazard Layer, effective May 17, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 94 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 106 units insured incl. 12 condo units |
| Nearby Flood Claims | 2 (2015) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Oct 2015 · Severe Storms, Tornadoes, Straight-line Winds, And Flooding |
| Claims by Event |
|
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 risk around 5101 Portmarnock Ct is low, with a 0.06% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 62% of the US · lower than 87% of Texas |
|---|---|
| Wildfire Likelihood | 0.06% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF AUSTIN WATER & WASTEWATER serves 1,115,323 people · EPA ID TX2270001 |
|---|---|
| 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, 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.
Source: FCC Broadband Data Collection, based on 230 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Google Fiber Fiber | 8,000 / 8,000 |
| AT&T Fiber | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
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