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Rural ResidenceResidential
$570,412$495 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

100 S NASSAU RD

ROUND TOP, TX 78954
0
Baths
1,152 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.
189.49 ac
Lot SizeThe size of the land the home sits on, from county records.
2011
Year BuiltThe year the home was originally built, according to county records.

Valuation

$570K
$535K low$606K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$0
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$0
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.107%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$655,100
FIRST AG CREDIT FLCA · recorded Jul 13, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,156 (2022)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$5,114,360 (2024)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$312,545
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$5,140,350

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.52
38
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
46
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
98
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.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountyFayette
Lot (acres)The size of the land the home sits on, from county records.189.49
HeatingThe type of heating system in the home.None
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 · 1,344 ft²

Transaction History(1)

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
Round Top-Carmine Elementary SchoolA
Elementary · Grades PK–6 · 3.7 mi
M
Round Top-Carmine High SchoolA+
Middle · Grades 7–12 · 8.2 mi

District: Round Top-Carmine Independent School District

Neighborhood · ZIP 78954These 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.133
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.66%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
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.0.9%
PopulationHow many people live in this area.1,213
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.16 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,543
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$143,620
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.40 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

100 S Nassau 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.

  • Worth less than 84% of homes in Round Top 78954
  • Costs more per square foot than 94% of homes in Fayette County
  • Smaller than 85% of homes in Round Top 78954
  • Among the largest lots in Round Top 78954
  • Newer than 73% of homes in Round Top 78954

What homes are worth in Round Top 78954

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

This home
$290K$3.5M

This home is worth more than 16% of homes in Round Top 78954.

How it measures up in Round Top 78954

The dot is this home. The mark in the middle is the typical home in Round Top 78954.

Estimated value$570,412
CheaperTypical $1,060,735Pricier

Pricier than 16% of homes nearby

Price per ft²$495
CheaperTypical $501Pricier

Pricier than 49% of homes nearby

Living area1,152 ft²
SmallerTypical 2,040 ft²Bigger

Bigger than 15% of homes nearby

Lot size189.49 ac
SmallerTypical 5 acBigger

Bigger than almost all homes nearby

Year built2011
OlderTypical 2004Newer

Newer than 73% of homes nearby

How 100 S Nassau Rd ranks against every home in each area.
MeasureThis homeRound Top 78954Fayette County
Estimated valuepricier than$570,41216% of homes73% of homes
Price per ft²pricier than$49549% of homes94% of homes
Living areabigger than1,152 ft²15% of homes21% of homes
Lot sizebigger than189.49 acalmost all homesalmost all homes
Year builtnewer than201173% of homes73% of homes

About 100 S Nassau Rd

How much is 100 S Nassau Rd, Round Top, TX worth?

The TopHap Estimate for 100 S Nassau Rd, Round Top, TX is $570,412 as of Jul 14, 2026. The likely range is $535,179 to $605,645. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 S Nassau Rd, Round Top, TX last sell?

100 S Nassau Rd, Round Top, TX last sold on Jul 13, 2007, according to the county's recorded deed.

How big is 100 S Nassau Rd, Round Top, TX?

100 S Nassau Rd, Round Top, TX has 1,152 square feet of living space and a 189.49-acre lot.

When was 100 S Nassau Rd, Round Top, TX built?

100 S Nassau Rd, Round Top, TX was built in 2011, making it 15 years old.

What schools serve 100 S Nassau Rd, Round Top, TX?

100 S Nassau Rd, Round Top, TX is assigned to Round Top-Carmine Elementary School (elementary), rated A; Round Top-Carmine High School (middle), rated A+. All sit in Round Top-Carmine Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 S Nassau Rd, Round Top, TX compare to other homes in Round Top 78954?

Among the 611 homes in Round Top 78954, it is worth more than 16% of them ($570,412 against a typical $1,060,735), its price per square foot is higher than 49% of them ($495 against a typical $501), it is bigger than 15% of them (1,152 ft² against a typical 2,040 ft²), its lot is bigger than almost all of them (189.49 ac against a typical 5 ac) and it is newer than 73% of them (2011 against a typical 2004). Measured against all of Fayette County, it is worth more than 73% 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 100 S Nassau Rd, Round Top, TX?

The 2022 property tax bill for 100 S Nassau Rd, Round Top, TX was $3,156. The county assessed it at $5,114,360.

Closest homes

More homes in Round Top 78954

Assigned schools

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