Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$7,268,578$398 / 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 92How 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

18 GRAND COLONIAL DR

SPRING, TX 77382
9.5
Baths
18,281 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.
2.1 ac
Lot SizeThe size of the land the home sits on, from county records.
2004
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$7.3M
$6.7M low$7.9M high

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$5,109,500 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$4,645,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$5,325,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyMONTGOMERY
RoofThe main material covering the roof, such as asphalt shingle or tile.Tile
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 2,961 ft²

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

E
Coulson Tough Flex Elementary SchoolA+
Elementary · Grades KG–6 · 1.7 mi
H
The Woodlands High SchoolA
High · Grades 9–12 · 2.7 mi
M
J.L. McCullough Junior High SchoolA+
Middle · Grades 7–8 · 4.3 mi

District: Conroe Independent School District

Neighborhood · ZIP 77382These 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.45
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.44%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.6%
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.42,645
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,867 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$156,872
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$206,602
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

18 Grand Colonial 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.

  • Among the most valuable homes in Spring 77382
  • Costs more per square foot than 98% of homes in Montgomery County
  • Among the largest homes in Spring 77382
  • Among the largest lots in Spring 77382
  • Newer than 71% of homes in Spring 77382

What homes are worth in Spring 77382

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

This home
$260K$3.1M

This home is worth more than almost all homes in Spring 77382.

How it measures up in Spring 77382

The dot is this home. The mark in the middle is the typical home in Spring 77382.

Estimated value$7,268,578
CheaperTypical $611,790Pricier

Pricier than almost all homes nearby

Price per ft²$398
CheaperTypical $230Pricier

Pricier than 97% of homes nearby

Living area18,281 ft²
SmallerTypical 2,737 ft²Bigger

Bigger than almost all homes nearby

Lot size2.1 ac
SmallerTypical 0.21 acBigger

Bigger than almost all homes nearby

Year built2004
OlderTypical 2001Newer

Newer than 71% of homes nearby

How 18 Grand Colonial Dr ranks against every home in each area.
MeasureThis homeCarlton WoodsSpring 77382Montgomery County
Estimated valuepricier than$7,268,57897% of homesalmost all homesalmost all homes
Price per ft²pricier than$39827% of homes97% of homes98% of homes
Living areabigger than18,281 ft²almost all homesalmost all homesalmost all homes
Lot sizebigger than2.1 ac97% of homesalmost all homes92% of homes
Year builtnewer than200434% of homes71% of homes54% of homes

About 18 Grand Colonial Dr

How much is 18 Grand Colonial Dr, Spring, TX worth?

The TopHap Estimate for 18 Grand Colonial Dr, Spring, TX is $7,268,578 as of Sep 24, 2026. The likely range is $6,675,518 to $7,861,637. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Grand Colonial Dr, Spring, TX last sell?

18 Grand Colonial Dr, Spring, TX last sold on May 14, 2003, according to the county's recorded deed.

How big is 18 Grand Colonial Dr, Spring, TX?

18 Grand Colonial Dr, Spring, TX has 9.5 bathrooms and 18,281 square feet of living space.

When was 18 Grand Colonial Dr, Spring, TX built?

18 Grand Colonial Dr, Spring, TX was built in 2004, making it 22 years old. It is a conventional home. The building has 2 stories.

What schools serve 18 Grand Colonial Dr, Spring, TX?

18 Grand Colonial Dr, Spring, TX is assigned to Coulson Tough Flex Elementary School (elementary), rated A+; The Woodlands High School (high), rated A; J.L. McCullough Junior High School (middle), rated A+. All sit in Conroe Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Grand Colonial Dr, Spring, TX compare to other homes in Spring 77382?

Among the 12,623 homes in Spring 77382, it is worth more than almost all of them ($7,268,578 against a typical $611,790), its price per square foot is higher than 97% of them ($398 against a typical $230), it is bigger than almost all of them (18,281 ft² against a typical 2,737 ft²), its lot is bigger than almost all of them (2.1 ac against a typical 0.21 ac) and it is newer than 71% of them (2004 against a typical 2001). Measured against all of Montgomery County, it is worth more than almost all homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Grand Colonial Dr

Closest homes

More homes in Spring 77382

Assigned schools

Explore the area

See this home in context

Open 18 Grand Colonial 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