Duplex (2 Units, Any Combination)Residential
503 OLD WEST DR
ROUND ROCK, TX 78681
4 / 1
Baths
1,776 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1982
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,291 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$423,811 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$69,644
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$354,167
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$369,577
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$423,811
Climate Risk
Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.51
45
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
22
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
99
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
46
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
46
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
Scores 0–100; higher = greater projected risk.
Property Facts
Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountyWilliamson
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 98 ft²Porch · 119 ft²
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
EMH
Bluebonnet Elementary SchoolD+
Elementary · Grades PK–5 · 0.6 mi
Chisholm Trail Middle SchoolB+
Middle · Grades 6–8 · 1.5 mi
Round Rock High SchoolA-
High · Grades 9–12 · 1.7 mi
District: Round Rock Independent School District
Neighborhood · ZIP 78681These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.44
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.20
Index scale: 100 = US average (tick). Lower is better.
Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.72,545
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,224 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,547
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$146,868
Average tempThe average temperature here across a full year.67°F
Annual precipHow much rain and melted snow falls here in a typical year.35 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%
Ownership
OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
How this home compares
503 Old West Dr measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.
- Smaller than 76% of homes in Round Rock 78681
- Has a bigger lot than 72% of homes in Round Rock 78681
- Older than 90% of homes in Williamson County
How it measures up in Round Rock 78681
The dot is this home. The mark in the middle is the typical home in Round Rock 78681.
Living area1,776 ft²
SmallerTypical 2,315 ft²Bigger
Bigger than 24% of homes nearby
Lot size0.25 ac
SmallerTypical 0.2 acBigger
Bigger than 72% of homes nearby
Year built1982
OlderTypical 1998Newer
Newer than 17% of homes nearby
| Measure | This home | Round Rock 78681 | Williamson County |
|---|---|---|---|
| Living areabigger than | 1,776 ft² | 24% of homes | 32% of homes |
| Lot sizebigger than | 0.25 ac | 72% of homes | 65% of homes |
| Year builtnewer than | 1982 | 17% of homes | 10% of homes |
About 503 Old West Dr
When did 503 Old West Dr, Round Rock, TX last sell?
503 Old West Dr, Round Rock, TX last sold on Sep 28, 2001, according to the county's recorded deed.
How big is 503 Old West Dr, Round Rock, TX?
503 Old West Dr, Round Rock, TX has 4 bathrooms and 1,776 square feet of living space.
When was 503 Old West Dr, Round Rock, TX built?
503 Old West Dr, Round Rock, TX was built in 1982, making it 44 years old. The building has 1 story.
What schools serve 503 Old West Dr, Round Rock, TX?
503 Old West Dr, Round Rock, TX is assigned to Bluebonnet Elementary School (elementary), rated D+; Chisholm Trail Middle School (middle), rated B+; Round Rock High School (high), rated A-. All sit in Round Rock Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 503 Old West Dr, Round Rock, TX compare to other homes in Round Rock 78681?
Among the 18,081 homes in Round Rock 78681, it is bigger than 24% of them (1,776 ft² against a typical 2,315 ft²), its lot is bigger than 72% of them (0.25 ac against a typical 0.2 ac) and it is newer than 17% of them (1982 against a typical 1998). These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 503 Old West Dr, Round Rock, TX?
The 2025 property tax bill for 503 Old West Dr, Round Rock, TX was $4,291. The county assessed it at $423,811.
More homes on Old West Dr
- 505 Old West Dr4 bd · 2.5 ba · 1,776 ft² · Sold $479K · Apr 2022
- 501 Old West Dr # B$238K1 bd · 1 ba · 928 ft² · Sold Feb 2022
- 501 Old West Dr # A$245K2 bd · 1 ba · 825 ft² · Sold Jan 2022
- 500 Old West Dr3 ba · 2,535 ft² · Sold Feb 2021
- 605 Old West Dr$249K2 ba · 1,014 ft² · Sold Dec 2020
- 513 Old West Dr$297K2 ba · 1,257 ft² · Sold Oct 2020
- 601 Old West Dr$275K2 ba · 1,220 ft² · Sold Apr 2020
- 603 Old West Dr$287K2 ba · 1,299 ft² · Sold Jun 2017
- 507 Old West Dr4 ba · 1,768 ft² · Sold Jan 2013
- 509 Old West Dr4 ba · 1,744 ft² · Sold Jan 1999
- 607 Old West Dr$275K2 ba · 1,249 ft² · Sold Apr 1993
- 511 Old West Dr$307K2 ba · 1,305 ft²
Closest homes
- 501 Old West Dr # B$238K66 ft · 1 bd · 1 ba · 928 ft² · Sold Feb 2022
- 505 Old West Dr75 ft · 4 bd · 2.5 ba · 1,776 ft² · Sold $479K · Apr 2022
- 501 Old West Dr # A$245K147 ft · 2 bd · 1 ba · 825 ft² · Sold Jan 2022
- 507 Old West Dr150 ft · 4 ba · 1,768 ft² · Sold Jan 2013
- 2215 Dry Creek Dr181 ft · 88,254 ft² · Sold Apr 2023
- 2108 Old West Pl202 ft · 2 ba · 2,111 ft² · Sold Apr 2005
- 2109 Old West Pl # B197 ft · 3 ba · 1,930 ft² · Sold May 2001
- 500 Old West Dr248 ft · 3 ba · 2,535 ft² · Sold Feb 2021
More homes in Round Rock 78681
- 2436 Cloud Peak Ln$525K2.5 ba · 3,010 ft² · Sold $482K · Jul 2026
- 3118 Karstview Cv$530K3 bd · 2.5 ba · 2,529 ft² · Sold $404K · Jul 2026
- 1203 Saint Williams Ave$480K2 ba · 2,179 ft² · Sold $476K · Jul 2026
- 8318 Glen Canyon Dr$450K2 ba · 2,096 ft² · Sold $364K · Jul 2026
- 3008 Cancelo Cv$915K3 ba · 3,250 ft² · Sold Jul 2026
- 3102 Ash Glen Ln$498K2 ba · 2,592 ft² · Sold $393K · Jul 2026
- 2204 Creekview Dr$480K2 ba · 2,035 ft² · Sold $456K · Jul 2026
- 8319 Columbia Falls Dr$500K2.5 ba · 2,345 ft² · Sold $496K · Jul 2026
- 2212 Mockingbird Dr$528K2 ba · 2,432 ft² · Sold $416K · Jul 2026
- 2245 Sarabanda StResidential - Vacant Land · Sold $778K · Jul 2026
- 4008 Vista Isle Dr$719K3 ba · 3,388 ft² · Sold $545K · Jul 2026
- 1917 White Oak Cir$430K2.5 ba · 1,708 ft² · Sold Jul 2026
Assigned schools
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