Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$415,790$249 / 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 93How 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

3400 ROCKBROOK DR

PLANO, TX 75074
2
Beds
3
Baths
1,667 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.
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.
2024
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$416K
$385K low$447K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,363 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$178,344 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$80,644
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$97,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$80,644
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$178,344

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.133 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
Lot (acres)The size of the land the home sits on, from county records.0.34

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

E
Meadows Elementary SchoolB
Elementary · Grades KG–5 · 0.6 mi
H
Plano East Senior High SchoolA-
High · Grades 11–12 · 1.5 mi
M
Otto Middle SchoolA-
Middle · Grades 6–8 · 1.8 mi

District: Plano Independent School District

Neighborhood · ZIP 75074These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.25

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.62,117
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,879 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,836
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$104,806
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%

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

3400 Rockbrook 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 more than 81% of homes in Briarwood
  • Among the highest price per square foot in Briarwood
  • Smaller than 83% of homes in Collin County
  • Has a bigger lot than 94% of homes in Plano 75074
  • Among the newest homes in Briarwood

What homes are worth in Plano 75074

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

This home
$214K$883K

This home is worth more than 58% of homes in Plano 75074.

How it measures up in Plano 75074

The dot is this home. The mark in the middle is the typical home in Plano 75074.

Estimated value$415,790
CheaperTypical $378,263Pricier

Pricier than 58% of homes nearby

Price per ft²$249
CheaperTypical $209Pricier

Pricier than 93% of homes nearby

Living area1,667 ft²
SmallerTypical 1,808 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.34 ac
SmallerTypical 0.18 acBigger

Bigger than 94% of homes nearby

Year built2024
OlderTypical 1983Newer

Newer than almost all homes nearby

How 3400 Rockbrook Dr ranks against every home in each area.
MeasureThis homeBriarwoodPlano 75074Collin County
Estimated valuepricier than$415,79081% of homes58% of homes28% of homes
Price per ft²pricier than$249almost all homes93% of homes81% of homes
Living areabigger than1,667 ft²32% of homes44% of homes17% of homes
Lot sizebigger than0.34 ac83% of homes94% of homes79% of homes
Year builtnewer than2024almost all homesalmost all homes98% of homes

About 3400 Rockbrook Dr

How much is 3400 Rockbrook Dr, Plano, TX worth?

The TopHap Estimate for 3400 Rockbrook Dr, Plano, TX is $415,790 as of Jul 14, 2026. The likely range is $384,792 to $446,788. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3400 Rockbrook Dr, Plano, TX last sell?

3400 Rockbrook Dr, Plano, TX last sold on Jul 19, 2021, according to the county's recorded deed.

How big is 3400 Rockbrook Dr, Plano, TX?

3400 Rockbrook Dr, Plano, TX has 2 bedrooms, 3 bathrooms, 1,667 square feet of living space and a 0.34-acre lot.

When was 3400 Rockbrook Dr, Plano, TX built?

3400 Rockbrook Dr, Plano, TX was built in 2024, making it 2 years old. The building has 2 stories.

What schools serve 3400 Rockbrook Dr, Plano, TX?

3400 Rockbrook Dr, Plano, TX is assigned to Meadows Elementary School (elementary), rated B; Plano East Senior High School (high), rated A-; Otto Middle School (middle), rated A-. All sit in Plano Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3400 Rockbrook Dr, Plano, TX compare to other homes in Plano 75074?

Among the 13,389 homes in Plano 75074, it is worth more than 58% of them ($415,790 against a typical $378,263), its price per square foot is higher than 93% of them ($249 against a typical $209), it is bigger than 44% of them (1,667 ft² against a typical 1,808 ft²), its lot is bigger than 94% of them (0.34 ac against a typical 0.18 ac) and it is newer than almost all of them (2024 against a typical 1983). Measured against all of Collin County, it is worth more than 28% 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 3400 Rockbrook Dr, Plano, TX?

The 2024 property tax bill for 3400 Rockbrook Dr, Plano, TX was $1,363. The county assessed it at $178,344.

More homes on Rockbrook Dr

Closest homes

More homes in Plano 75074

Assigned schools

Explore the area

See this home in context

Open 3400 Rockbrook 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