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Single Family ResidenceResidential
$1,067,046$384 / 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 Sep 24, 2026
Last sold for $487,500 on Nov 13, 2020

1620 ROCK RIDGE RD

ALLEN, TX 75002
4
Beds
2.5
Baths
2,780 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.
2.99 ac
Lot SizeThe size of the land the home sits on, from county records.
1985
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$1M low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$487,500 · Nov 13, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,478 (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.$1,075,873 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$835,940
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$293,162
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$937,033
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,129,102

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.76
92
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.
93
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
56
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
88
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.60 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.Single Family Residence
CountyCOLLIN
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1990
Lot (acres)The size of the land the home sits on, from county records.2.99
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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
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 · 125 ft²

Transaction History(2)

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.

H
Lovejoy High SchoolA+
High · Grades 9–12 · 0.4 mi
M
Willow Springs Middle SchoolA+
Middle · Grades 7–8 · 2.1 mi
E
Puster Elementary SchoolA+
Elementary · Grades KG–4 · 3.2 mi

District: Lovejoy Independent School District

Neighborhood · ZIP 75002These 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.37
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.26

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.5.1%
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.88,326
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,239 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$121,302
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$148,629
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.62%

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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

1620 Rock Ridge 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 more than 94% of homes in Collin County
  • Among the highest price per square foot in Collin County
  • Bigger than 65% of homes in Allen 75002
  • Has a bigger lot than 96% of homes in Collin County
  • Older than 83% of homes in Collin County

What homes are worth in Allen 75002

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

This home
$268K$1.8M

This home is worth more than 87% of homes in Allen 75002.

How it measures up in Allen 75002

The dot is this home. The mark in the middle is the typical home in Allen 75002.

Estimated value$1,067,046
CheaperTypical $481,859Pricier

Pricier than 87% of homes nearby

Price per ft²$384
CheaperTypical $216Pricier

Pricier than 98% of homes nearby

Living area2,780 ft²
SmallerTypical 2,367 ft²Bigger

Bigger than 65% of homes nearby

Lot size2.99 ac
SmallerTypical 0.23 acBigger

Bigger than 95% of homes nearby

Year built1985
OlderTypical 1999Newer

Newer than 24% of homes nearby

How 1620 Rock Ridge Rd ranks against every home in each area.
MeasureThis homeAllen 75002Collin County
Estimated valuepricier than$1,067,04687% of homes94% of homes
Price per ft²pricier than$38498% of homesalmost all homes
Living areabigger than2,780 ft²65% of homes61% of homes
Lot sizebigger than2.99 ac95% of homes96% of homes
Year builtnewer than198524% of homes17% of homes

About 1620 Rock Ridge Rd

How much is 1620 Rock Ridge Rd, Allen, TX worth?

The TopHap Estimate for 1620 Rock Ridge Rd, Allen, TX is $1,067,046 as of Sep 24, 2026. The likely range is $1,009,076 to $1,125,016. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1620 Rock Ridge Rd, Allen, TX last sell?

1620 Rock Ridge Rd, Allen, TX last sold on Nov 13, 2020 for $487,500, according to the county's recorded deed.

How big is 1620 Rock Ridge Rd, Allen, TX?

1620 Rock Ridge Rd, Allen, TX has 4 bedrooms, 2.5 bathrooms, 2,780 square feet of living space and a 2.99-acre lot.

When was 1620 Rock Ridge Rd, Allen, TX built?

1620 Rock Ridge Rd, Allen, TX was built in 1985, making it 41 years old. The building has 1 story.

What schools serve 1620 Rock Ridge Rd, Allen, TX?

1620 Rock Ridge Rd, Allen, TX is assigned to Lovejoy High School (high), rated A+; Willow Springs Middle School (middle), rated A+; Puster Elementary School (elementary), rated A+. All sit in Lovejoy Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1620 Rock Ridge Rd, Allen, TX compare to other homes in Allen 75002?

Among the 22,684 homes in Allen 75002, it is worth more than 87% of them ($1,067,046 against a typical $481,859), its price per square foot is higher than 98% of them ($384 against a typical $216), it is bigger than 65% of them (2,780 ft² against a typical 2,367 ft²), its lot is bigger than 95% of them (2.99 ac against a typical 0.23 ac) and it is newer than 24% of them (1985 against a typical 1999). Measured against all of Collin County, it is worth more than 94% 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 1620 Rock Ridge Rd, Allen, TX?

The 2025 property tax bill for 1620 Rock Ridge Rd, Allen, TX was $16,478. The county assessed it at $1,075,873.

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