Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$172,248$106 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

517 SIERRA DR

ROCKDALE, TX 76567
0
Baths
1,630 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$172K
$155K low$190K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,145 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$200,240 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,980
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$185,260
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$283,010
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$200,240

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.47
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
48
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.
50
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
30
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.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMILAM
Lot (acres)The size of the land the home sits on, from county records.0.26
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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.Porch · 36 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Rockdale High SchoolC-
High · Grades 9–12 · 1.6 mi
E
Rockdale Elementary School
Elementary · Grades PK–2 · 1.6 mi
M
Rockdale Jr High SchoolC-
Middle · Grades 6–8 · 2.0 mi

District: Rockdale Independent School District

Neighborhood · ZIP 76567These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.19

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.10,206
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.49 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,806
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,647
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

Owner Tools

Do you own this home?
Claim this home

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

517 Sierra 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.

  • Costs less per square foot than 74% of homes in Milam County
  • Has a smaller lot than 76% of homes in Milam County

What homes are worth in Rockdale 76567

Each bar is how many homes fall in that price range. The marker is this home.

This home
$70K$898K

This home is worth more than 40% of homes in Rockdale 76567.

How it measures up in Rockdale 76567

The dot is this home. The mark in the middle is the typical home in Rockdale 76567.

Estimated value$172,248
CheaperTypical $198,424Pricier

Pricier than 40% of homes nearby

Price per ft²$106
CheaperTypical $131Pricier

Pricier than 28% of homes nearby

Living area1,630 ft²
SmallerTypical 1,469 ft²Bigger

Bigger than 59% of homes nearby

Lot size0.26 ac
SmallerTypical 0.46 acBigger

Bigger than 30% of homes nearby

How 517 Sierra Dr ranks against every home in each area.
MeasureThis homeRockdale 76567Milam County
Estimated valuepricier than$172,24840% of homes37% of homes
Price per ft²pricier than$10628% of homes26% of homes
Living areabigger than1,630 ft²59% of homes56% of homes
Lot sizebigger than0.26 ac30% of homes24% of homes

About 517 Sierra Dr

How much is 517 Sierra Dr, Rockdale, TX worth?

The TopHap Estimate for 517 Sierra Dr, Rockdale, TX is $172,248 as of Sep 24, 2026. The likely range is $154,851 to $189,645. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 517 Sierra Dr, Rockdale, TX last sell?

517 Sierra Dr, Rockdale, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 517 Sierra Dr, Rockdale, TX?

517 Sierra Dr, Rockdale, TX has 1,630 square feet of living space and a 0.26-acre lot.

What schools serve 517 Sierra Dr, Rockdale, TX?

517 Sierra Dr, Rockdale, TX is assigned to Rockdale High School (high), rated C-; Rockdale Elementary School (elementary); Rockdale Jr High School (middle), rated C-. All sit in Rockdale Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 517 Sierra Dr, Rockdale, TX compare to other homes in Rockdale 76567?

Among the 4,201 homes in Rockdale 76567, it is worth more than 40% of them ($172,248 against a typical $198,424), its price per square foot is higher than 28% of them ($106 against a typical $131), it is bigger than 59% of them (1,630 ft² against a typical 1,469 ft²) and its lot is bigger than 30% of them (0.26 ac against a typical 0.46 ac). Measured against all of Milam County, it is worth more than 37% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 517 Sierra Dr, Rockdale, TX?

The 2026 property tax bill for 517 Sierra Dr, Rockdale, TX was $3,145. The county assessed it at $200,240.

More homes on Sierra Dr

Closest homes

More homes in Rockdale 76567

Assigned schools

Explore the area

See this home in context

Open 517 Sierra Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map