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Single Family ResidenceResidential
$264,055$134 / 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 Oct 21, 2026
Last sold for $199,900 on Nov 21, 2019

3515 AVALON CASTLE DR

SPRING, TX 77386
2.5
Baths
1,966 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$264K
$250K low$278K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$199,900 · Nov 21, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,819 (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.$234,188 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$42,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$191,688
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$242,675
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$234,188

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
Lot (acres)The size of the land the home sits on, from county records.0.11
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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.Deck · 132 ft²Patio · 132 ft²Porch · 150 ft²

Transaction History(4)

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
Ann K. Snyder Elementary SchoolA
Elementary · Grades PK–4 · 0.6 mi
M
C. D. York Junior High SchoolA
Middle · Grades 7–8 · 0.8 mi
H
Grand Oaks High SchoolA-
High · Grades 9–12 · 1.2 mi

District: Conroe Independent School District

Neighborhood · ZIP 77386These 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.34
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 100.18

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.79,366
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,919 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$132,050
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$155,269
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.51 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

3515 Avalon Castle 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.

  • Worth less than 85% of homes in Spring 77386
  • Costs less per square foot than 88% of homes in Spring 77386
  • Smaller than 74% of homes in Spring 77386
  • Has a smaller lot than 96% of homes in Spring 77386
  • Older than 67% of homes in Legends Run

What homes are worth in Spring 77386

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

This home
$217K$1.4M

This home is worth more than 15% of homes in Spring 77386.

How it measures up in Spring 77386

The dot is this home. The mark in the middle is the typical home in Spring 77386.

Estimated value$264,055
CheaperTypical $379,627Pricier

Pricier than 15% of homes nearby

Price per ft²$134
CheaperTypical $160Pricier

Pricier than 12% of homes nearby

Living area1,966 ft²
SmallerTypical 2,534 ft²Bigger

Bigger than 26% of homes nearby

Lot size0.11 ac
SmallerTypical 0.18 acBigger

Bigger than 4% of homes nearby

Year built2005
OlderTypical 2008Newer

Newer than 35% of homes nearby

How 3515 Avalon Castle Dr ranks against every home in each area.
MeasureThis homeLegends RunSpring 77386Montgomery County
Estimated valuepricier than$264,05550% of homes15% of homes23% of homes
Price per ft²pricier than$13445% of homes12% of homes13% of homes
Living areabigger than1,966 ft²49% of homes26% of homes45% of homes
Lot sizebigger than0.11 ac14% of homes4% of homes7% of homes
Year builtnewer than200533% of homes35% of homes57% of homes

About 3515 Avalon Castle Dr

How much is 3515 Avalon Castle Dr, Spring, TX worth?

The TopHap Estimate for 3515 Avalon Castle Dr, Spring, TX is $264,055 as of Oct 21, 2026. The likely range is $250,149 to $277,961. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3515 Avalon Castle Dr, Spring, TX last sell?

3515 Avalon Castle Dr, Spring, TX last sold on Nov 21, 2019 for $199,900, according to the county's recorded deed.

How big is 3515 Avalon Castle Dr, Spring, TX?

3515 Avalon Castle Dr, Spring, TX has 2.5 bathrooms, 1,966 square feet of living space and a 0.11-acre lot.

When was 3515 Avalon Castle Dr, Spring, TX built?

3515 Avalon Castle Dr, Spring, TX was built in 2005, making it 21 years old. It is a conventional home. The building has 2 stories.

What schools serve 3515 Avalon Castle Dr, Spring, TX?

3515 Avalon Castle Dr, Spring, TX is assigned to Ann K. Snyder Elementary School (elementary), rated A; C. D. York Junior High School (middle), rated A; Grand Oaks High School (high), rated A-. All sit in Conroe Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3515 Avalon Castle Dr, Spring, TX compare to other homes in Spring 77386?

Among the 22,806 homes in Spring 77386, it is worth more than 15% of them ($264,055 against a typical $379,627), its price per square foot is higher than 12% of them ($134 against a typical $160), it is bigger than 26% of them (1,966 ft² against a typical 2,534 ft²), its lot is bigger than 4% of them (0.11 ac against a typical 0.18 ac) and it is newer than 35% of them (2005 against a typical 2008). Measured against all of Montgomery County, it is worth more than 23% 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 3515 Avalon Castle Dr, Spring, TX?

The 2025 property tax bill for 3515 Avalon Castle Dr, Spring, TX was $3,819. The county assessed it at $234,188.

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