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Single Family ResidenceResidential
$537,184$177 / 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 Jul 14, 2026
Last sold for $221,500 on Dec 2, 2008

3604 LLANO RIVER TRL

MCKINNEY, TX 75070
4
Beds
2.5
Baths
3,041 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
2008
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
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

$537K
$497K low$578K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$221,500 · Dec 2, 2008

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.$511,657 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$143,750
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$398,528
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$465,143
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$542,278

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCOLLIN
Lot (acres)The size of the land the home sits on, from county records.0.21
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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 · 250 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
Ogle Elementary SchoolA
Elementary · Grades KG–4 · 0.3 mi
M
Scoggins Middle SchoolA
Middle · Grades 7–8 · 1.2 mi
H
Emerson High SchoolA-
High · Grades 9–12 · 1.9 mi

District: Frisco Independent School District

Neighborhood · ZIP 75070These 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.44
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.28

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.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.3%
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.71,722
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,840 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,516
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$134,687
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.40 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

3604 Llano River Trl 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.

  • Costs less per square foot than 92% of homes in Craig Ranch
  • Bigger than 74% of homes in McKinney 75070
  • Has a bigger lot than 86% of homes in McKinney 75070

What homes are worth in McKinney 75070

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

This home
$312K$1.1M

This home is worth more than 56% of homes in McKinney 75070.

How it measures up in McKinney 75070

The dot is this home. The mark in the middle is the typical home in McKinney 75070.

Estimated value$537,184
CheaperTypical $503,523Pricier

Pricier than 56% of homes nearby

Price per ft²$177
CheaperTypical $211Pricier

Pricier than 11% of homes nearby

Living area3,041 ft²
SmallerTypical 2,458 ft²Bigger

Bigger than 74% of homes nearby

Lot size0.21 ac
SmallerTypical 0.14 acBigger

Bigger than 86% of homes nearby

Year built2008
OlderTypical 2006Newer

Newer than 61% of homes nearby

How 3604 Llano River Trl ranks against every home in each area.
MeasureThis homeCraig RanchMcKinney 75070Collin County
Estimated valuepricier than$537,18440% of homes56% of homes52% of homes
Price per ft²pricier than$1778% of homes11% of homes16% of homes
Living areabigger than3,041 ft²67% of homes74% of homes69% of homes
Lot sizebigger than0.21 ac81% of homes86% of homes61% of homes
Year builtnewer than200838% of homes61% of homes61% of homes

About 3604 Llano River Trl

How much is 3604 Llano River Trl, Mckinney, TX worth?

The TopHap Estimate for 3604 Llano River Trl, Mckinney, TX is $537,184 as of Jul 14, 2026. The likely range is $496,547 to $577,821. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3604 Llano River Trl, Mckinney, TX last sell?

3604 Llano River Trl, Mckinney, TX last sold on Dec 2, 2008 for $221,500, according to the county's recorded deed.

How big is 3604 Llano River Trl, Mckinney, TX?

3604 Llano River Trl, Mckinney, TX has 4 bedrooms, 2.5 bathrooms, 3,041 square feet of living space and a 0.21-acre lot.

When was 3604 Llano River Trl, Mckinney, TX built?

3604 Llano River Trl, Mckinney, TX was built in 2008, making it 18 years old. The building has 2 stories.

What schools serve 3604 Llano River Trl, Mckinney, TX?

3604 Llano River Trl, Mckinney, TX is assigned to Ogle Elementary School (elementary), rated A; Scoggins Middle School (middle), rated A; Emerson High School (high), rated A-. All sit in Frisco Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3604 Llano River Trl, Mckinney, TX compare to other homes in McKinney 75070?

Among the 15,676 homes in McKinney 75070, it is worth more than 56% of them ($537,184 against a typical $503,523), its price per square foot is higher than 11% of them ($177 against a typical $211), it is bigger than 74% of them (3,041 ft² against a typical 2,458 ft²), its lot is bigger than 86% of them (0.21 ac against a typical 0.14 ac) and it is newer than 61% of them (2008 against a typical 2006). Measured against all of Collin County, it is worth more than 52% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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