Skip to content
Skip to content
TopHapOpen in map
Residential - Vacant LandResidential
Last sold for $376,748 on Jul 6, 2026

1806 GRASS VALLEY DR

ROSHARON, TX 77583
0
Baths
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$376,748 · Jul 6, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,390 (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.$63,710 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$63,710
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$45,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$63,710

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
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
52
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
96
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
62
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
50
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential - Vacant Land
CountyBRAZORIA
Lot (acres)The size of the land the home sits on, from county records.0.17
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Primary

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.

M
Iowa Colony Junior High SchoolB-
Middle · Grades 6–8 · 5.2 mi
E
Nichols Mock Elementary SchoolC+
Elementary · Grades PK–5 · 12.6 mi
H
Iowa Colony High SchoolB+
High · Grades 9–12 · 12.6 mi

District: Alvin Independent School District

Neighborhood · ZIP 77583These 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.72
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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
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.47,650
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.298 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,106
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$133,090
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.52 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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

1806 Grass Valley 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.

  • Has a smaller lot than 72% of homes in Brazoria County

How it measures up in Rosharon 77583

The dot is this home. The mark in the middle is the typical home in Rosharon 77583.

Lot size0.17 ac
SmallerTypical 0.17 acBigger

Bigger than 50% of homes nearby

How 1806 Grass Valley Dr ranks against every home in each area.
MeasureThis homeRosharon 77583Brazoria County
Lot sizebigger than0.17 ac50% of homes28% of homes

About 1806 Grass Valley Dr

When did 1806 Grass Valley Dr, Rosharon, TX last sell?

1806 Grass Valley Dr, Rosharon, TX last sold on Jul 6, 2026 for $376,748, according to the county's recorded deed.

What schools serve 1806 Grass Valley Dr, Rosharon, TX?

1806 Grass Valley Dr, Rosharon, TX is assigned to Iowa Colony Junior High School (middle), rated B-; Nichols Mock Elementary School (elementary), rated C+; Iowa Colony High School (high), rated B+. All sit in Alvin Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

What are the property taxes on 1806 Grass Valley Dr, Rosharon, TX?

The 2025 property tax bill for 1806 Grass Valley Dr, Rosharon, TX was $1,390. The county assessed it at $63,710.

More homes on Grass Valley Dr

Closest homes

More homes in Rosharon 77583

Assigned schools

Explore the area

See this home in context

Open 1806 Grass Valley 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