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Rural ResidenceResidential
$131,782$154 / 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 58How 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

4677 ROCK ISLAND LN

WASHINGTON, TX 77880
1
Beds
1
Baths
856 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.
24.81 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
Year BuiltThe year the home was originally built, according to county records.

Valuation

$132K
$76K low$188K 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.$131,782
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$105,426

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,557 (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.$770,530 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$669,950
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$100,580
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$843,390
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$770,530

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.58
36
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
45
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.
57
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
54
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.1 percent flood zone

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
CountyWASHINGTON
Lot (acres)The size of the land the home sits on, from county records.24.81
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Yes
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 · 276 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
Krause Elementary SchoolC
Elementary · Grades PK–4 · 15.6 mi
M
Brenham Jr High SchoolC
Middle · Grades 7–8 · 16.2 mi
H
Brenham High SchoolC+
High · Grades 9–12 · 16.4 mi

District: Brenham Independent School District

Neighborhood · ZIP 77880These 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.85
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
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.77%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.8.1%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.3,856
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.36 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,150
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,332
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.42 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

4677 Rock Island Ln 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 98% of homes in Washington County
  • Costs less per square foot than 88% of homes in Washington County
  • Smaller than 91% of homes in Washington County
  • Has a bigger lot than 86% of homes in Washington County
  • Newer than 67% of homes in Washington County

What homes are worth in Washington 77880

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

This home
$86K$2.2M

This home is worth more than 7% of homes in Washington 77880.

How it measures up in Washington 77880

The dot is this home. The mark in the middle is the typical home in Washington 77880.

Estimated value$131,782
CheaperTypical $355,867Pricier

Pricier than 7% of homes nearby

Price per ft²$154
CheaperTypical $257Pricier

Pricier than 20% of homes nearby

Living area856 ft²
SmallerTypical 1,596 ft²Bigger

Bigger than 15% of homes nearby

Lot size24.81 ac
SmallerTypical 10 acBigger

Bigger than 74% of homes nearby

Year built2003
OlderTypical 1997Newer

Newer than 64% of homes nearby

How 4677 Rock Island Ln ranks against every home in each area.
MeasureThis homeWashington 77880Washington County
Estimated valuepricier than$131,7827% of homes2% of homes
Price per ft²pricier than$15420% of homes12% of homes
Living areabigger than856 ft²15% of homes9% of homes
Lot sizebigger than24.81 ac74% of homes86% of homes
Year builtnewer than200364% of homes67% of homes

About 4677 Rock Island Ln

How much is 4677 Rock Island Ln, Washington, TX worth?

The TopHap Estimate for 4677 Rock Island Ln, Washington, TX is $131,782 as of Jul 14, 2026. The likely range is $75,796 to $187,768. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4677 Rock Island Ln, Washington, TX last sell?

4677 Rock Island Ln, Washington, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4677 Rock Island Ln, Washington, TX?

4677 Rock Island Ln, Washington, TX has 1 bedrooms, 1 bathrooms, 856 square feet of living space and a 24.81-acre lot.

When was 4677 Rock Island Ln, Washington, TX built?

4677 Rock Island Ln, Washington, TX was built in 2003, making it 23 years old.

What schools serve 4677 Rock Island Ln, Washington, TX?

4677 Rock Island Ln, Washington, TX is assigned to Krause Elementary School (elementary), rated C; Brenham Jr High School (middle), rated C; Brenham High School (high), rated C+. All sit in Brenham Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4677 Rock Island Ln, Washington, TX compare to other homes in Washington 77880?

Among the 1,482 homes in Washington 77880, it is worth more than 7% of them ($131,782 against a typical $355,867), its price per square foot is higher than 20% of them ($154 against a typical $257), it is bigger than 15% of them (856 ft² against a typical 1,596 ft²), its lot is bigger than 74% of them (24.81 ac against a typical 10 ac) and it is newer than 64% of them (2003 against a typical 1997). Measured against all of Washington County, it is worth more than 2% 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 4677 Rock Island Ln, Washington, TX?

The 2025 property tax bill for 4677 Rock Island Ln, Washington, TX was $1,557. The county assessed it at $770,530.

Closest homes

More homes in Washington 77880

Assigned schools

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