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Rural ResidenceResidential
$339,658$354 / 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 95How 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
Last sold for $125,000 on Mar 9, 2016

550 RATTLESNAKE RD

ROUND MOUNTAIN, TX 78663
0
Baths
960 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.
8.77 ac
Lot SizeThe size of the land the home sits on, from county records.
2012
Year BuiltThe year the home was originally built, according to county records.

Valuation

$340K
$324K low$355K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$125,000 · Mar 9, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,341 (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.$321,038 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$289,258
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$340,210

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountyBLANCO
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2013
Lot (acres)The size of the land the home sits on, from county records.8.77
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

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

E
Lyndon B. Johnson Elementary School
Elementary · Grades PK–5 · 7.7 mi
H
Lyndon B. Johnson High SchoolB
High · Grades 9–12 · 11.5 mi
M
Lyndon B. Johnson Middle SchoolA-
Middle · Grades 6–8 · 11.8 mi

District: Johnson City Independent School District

Neighborhood · ZIP 78663These 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.58
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.17

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.78%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.1,238
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.10 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$111,216
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$136,274
Average tempThe average temperature here across a full year.66°F
Annual precipHow much rain and melted snow falls here in a typical year.33 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

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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

550 Rattlesnake Rd 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.

  • Among the least valuable homes in Round Mountain 78663
  • Costs less per square foot than 65% of homes in Round Mountain 78663
  • Smaller than 89% of homes in Round Mountain 78663
  • Has a bigger lot than 70% of homes in Blanco County

What homes are worth in Round Mountain 78663

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

This home
$388K$2.5M

This home is worth less than almost all homes in Round Mountain 78663.

How it measures up in Round Mountain 78663

The dot is this home. The mark in the middle is the typical home in Round Mountain 78663.

Estimated value$339,658
CheaperTypical $898,792Pricier

Cheaper than almost all homes nearby

Price per ft²$354
CheaperTypical $405Pricier

Pricier than 35% of homes nearby

Living area960 ft²
SmallerTypical 2,128 ft²Bigger

Bigger than 11% of homes nearby

Lot size8.77 ac
SmallerTypical 7.58 acBigger

Bigger than 54% of homes nearby

Year built2012
OlderTypical 2008Newer

Newer than 56% of homes nearby

How 550 Rattlesnake Rd ranks against every home in each area.
MeasureThis homeRound Mountain 78663Blanco County
Estimated valuepricier than$339,658almost no homes11% of homes
Price per ft²pricier than$35435% of homes53% of homes
Living areabigger than960 ft²11% of homes12% of homes
Lot sizebigger than8.77 ac54% of homes70% of homes
Year builtnewer than201256% of homes64% of homes

About 550 Rattlesnake Rd

How much is 550 Rattlesnake Rd, Round Mountain, TX worth?

The TopHap Estimate for 550 Rattlesnake Rd, Round Mountain, TX is $339,658 as of Sep 24, 2026. The likely range is $324,297 to $355,019. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 550 Rattlesnake Rd, Round Mountain, TX last sell?

550 Rattlesnake Rd, Round Mountain, TX last sold on Mar 9, 2016 for $125,000, according to the county's recorded deed.

How big is 550 Rattlesnake Rd, Round Mountain, TX?

550 Rattlesnake Rd, Round Mountain, TX has 960 square feet of living space and a 8.77-acre lot.

When was 550 Rattlesnake Rd, Round Mountain, TX built?

550 Rattlesnake Rd, Round Mountain, TX was built in 2012, making it 14 years old.

What schools serve 550 Rattlesnake Rd, Round Mountain, TX?

550 Rattlesnake Rd, Round Mountain, TX is assigned to Lyndon B. Johnson Elementary School (elementary); Lyndon B. Johnson High School (high), rated B; Lyndon B. Johnson Middle School (middle), rated A-. All sit in Johnson City Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 550 Rattlesnake Rd, Round Mountain, TX compare to other homes in Round Mountain 78663?

Among the 469 homes in Round Mountain 78663, it is worth more than almost none of them ($339,658 against a typical $898,792), its price per square foot is higher than 35% of them ($354 against a typical $405), it is bigger than 11% of them (960 ft² against a typical 2,128 ft²), its lot is bigger than 54% of them (8.77 ac against a typical 7.58 ac) and it is newer than 56% of them (2012 against a typical 2008). Measured against all of Blanco County, it is worth more than 11% 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 550 Rattlesnake Rd, Round Mountain, TX?

The 2026 property tax bill for 550 Rattlesnake Rd, Round Mountain, TX was $4,341. The county assessed it at $321,038.

More homes on Rattlesnake Rd

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