Taxes
- Assessed Value: $615,266
- Assessed Year: 2026
- Assessed County: Travis
- APN: 373913
- Market Land Value: 75769
- Tax Amount: 3059.58
- Tax Year: 2025
- Market Value: 618659
- Market Year: 2026
5100 Portmarnock Ct; Austin, TX Property Details
Off market • Pre Probate ✓
5100 Portmarnock Ct Austin, TX 78747
$615,266 Estimated Value
3 Baths
2,509 SqFt
Property Type
Single FamilyProperty Details
Summary
- Purchase Method: Financed
- Owners / Type: 2 / Related
- Owner Status: Related
- Year Built: 1996
- Purchase Price: $112,500
- Est. Equity / %: $637,000 / 100%
- Gross Yield: 6.91%
- APN: 373913
- Situs County: Travis
- Length Of Ownership: 30 years, 1 months
Rooms
- Bathrooms: 3
- Full Bathrooms: 3
Structure
- Building Style: Wood
- Stories: 1
- Building Condition: Average
- Building Quality: C
- Roof Type: Hip
- Roof Cover Type: Composition Shingle
Measurements
- Total: 2,509/SqFt
- Lot: 12,960/SqFt
- Gross: 3,290/SqFt
- Garage: 440/SqFt
- Living: 2,509/SqFt
- Building: 2,949/SqFt
- Ground: 2,509/SqFt
- Price Per Square Foot: $44.84
Legal Description
- Description: LOT 19 BLK C ONION CREEK ADDN
Building Insights
Land Information
- Property Type: Single Family
- Within Flood Zone: True
- Flood Zone: X / Low/Medium Risk
- School District: Austin Independent School District
- Lat / Lon: 30.136135 / -97.77993
- Subdivision: Onion Creek Addn
- Property Class: Residential
- County Use Code: A1
Amenities
- Plus Four: 1466
- Cooling: Central
- Fireplaces: 1
- Garage: Attached Garage
- Heating: Central
- Parking: 2
HOA
- H O A One: $360
- H O A Amount: $360
- H O A One Frequency: Monthly
- H O A One Name: Onion Creek Homeowners Association Inc
- H O A One Type: Home Owner Association
Ownership Info
5100 Portmarnock Ct has no associated ownership info
5100 Portmarnock Ct has no associated ownership info.
Taxes
5100 Portmarnock Ct has 9 associated Taxes items
5100 Portmarnock Ct, Austin, TX pays taxes in Travis County, TX. The most recent tax assessment records are from 2026 and show that the current assessed value of the property is $615,266. The APN we've located for 5100 Portmarnock Ct is 373913.
Unlock the full reportTax History
5100 Portmarnock Ct has 12 associated Tax History items
| Year | Assessed Value | Land Value | Improvement Value | Tax Amount | Change Rate | Assessed CR | Tax Rate |
|---|---|---|---|---|---|---|---|
| Year 2026 | Assessed Value $615,266 | Land Value | Improvement Value | Tax Amount | Change Rate | Assessed CR | Tax Rate |
| Year 2025 | Assessed Value | Land Value | Improvement Value | Tax Amount $3,059.58 | Change Rate -0.151679% | Assessed CR | Tax Rate |
| Year 2024 | Assessed Value | Land Value | Improvement Value | Tax Amount $3,606.63 | Change Rate +0.064719% | Assessed CR | Tax Rate |
| Year 2023 | Assessed Value $476,973 | Land Value | Improvement Value | Tax Amount $3,387.4 | Change Rate -0.32931% | Assessed CR | Tax Rate +0.007102% |
| Year 2022 | Assessed Value $433,612 | Land Value | Improvement Value | Tax Amount $5,050.62 | Change Rate -0.006937% | Assessed CR | Tax Rate +0.011648% |
| Year 2021 | Assessed Value $394,193 | Land Value $72,600 | Improvement Value $324,350 | Tax Amount $5,085.9 | Change Rate -0.019703% | Assessed CR | Tax Rate +0.012902% |
| Year 2020 | Assessed Value $358,357 | Land Value $72,600 | Improvement Value $285,757 | Tax Amount $5,188.12 | Change Rate -0.309456% | Assessed CR | Tax Rate +0.014478% |
| Year 2018 | Assessed Value $339,347 | Land Value $72,600 | Improvement Value $266,747 | Tax Amount $7,513.09 | Change Rate +0.55754% | Assessed CR | Tax Rate +0.02214% |
| Year 2017 | Assessed Value $334,388 | Land Value $72,600 | Improvement Value $261,788 | Tax Amount $4,823.69 | Change Rate +0.020153% | Assessed CR | Tax Rate +0.014425% |
| Year 2016 | Assessed Value $318,590 | Land Value $72,600 | Improvement Value $245,990 | Tax Amount $4,728.4 | Change Rate | Assessed CR | Tax Rate +0.014842% |
| Year 2015 | Assessed Value $292,250 | Land Value $66,000 | Improvement Value $226,250 | Tax Amount | Change Rate | Assessed CR | Tax Rate |
| Year 2014 | Assessed Value $285,821 | Land Value $66,000 | Improvement Value $219,821 | Tax Amount $4,575.59 | Change Rate | Assessed CR | Tax Rate +0.016009% |