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Single Family ResidenceResidential
$341,560$220 / 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 91How 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 $315,000 on Jul 22, 2020

3407 KNOLL ST

HOUSTON, TX 77080
3
Beds
2
Baths
1,556 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1957
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
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

$342K
$312K low$371K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$315,000 · Jul 22, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,298 (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.$399,526 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$168,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$231,226
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$387,485
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$399,526

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.16 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
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyHARRIS
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.1998
Lot (acres)The size of the land the home sits on, from county records.0.22
ConstructionThe main material the home's frame and walls are built from.Brick
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Neighborhood
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 357 ft²Patio · 840 ft²Porch · 140 ft²

Transaction History(3)

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
Edgewood Elementary SchoolD+
Elementary · Grades PK–5 · 0.3 mi
H
Northbrook High SchoolD-
High · Grades 9–12 · 1.4 mi
M
Northbrook Middle SchoolD+
Middle · Grades 6–8 · 1.5 mi

District: Spring Branch Independent School District

Neighborhood · ZIP 77080These 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.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.23

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.20%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.48,530
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,567 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$59,917
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,902
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.50 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Owner Tools

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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

3407 Knoll St 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 65% of homes in Harris County
  • Costs more per square foot than 86% of homes in Harris County
  • Smaller than 72% of homes in Spring Branch Central
  • Has a bigger lot than 75% of homes in Harris County
  • Older than 86% of homes in Harris County

What homes are worth in Houston 77080

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

This home
$121K$818K

This home is worth more than 42% of homes in Houston 77080.

How it measures up in Houston 77080

The dot is this home. The mark in the middle is the typical home in Houston 77080.

Estimated value$341,560
CheaperTypical $357,680Pricier

Pricier than 42% of homes nearby

Price per ft²$220
CheaperTypical $199Pricier

Pricier than 70% of homes nearby

Living area1,556 ft²
SmallerTypical 1,822 ft²Bigger

Bigger than 31% of homes nearby

Lot size0.22 ac
SmallerTypical 0.17 acBigger

Bigger than 74% of homes nearby

Year built1957
OlderTypical 1970Newer

Newer than 18% of homes nearby

How 3407 Knoll St ranks against every home in each area.
MeasureThis homeSpring Branch CentralHouston 77080Harris County
Estimated valuepricier than$341,56041% of homes42% of homes65% of homes
Price per ft²pricier than$22067% of homes70% of homes86% of homes
Living areabigger than1,556 ft²28% of homes31% of homes31% of homes
Lot sizebigger than0.22 ac63% of homes74% of homes75% of homes
Year builtnewer than195719% of homes18% of homes14% of homes

About 3407 Knoll St

How much is 3407 Knoll St, Houston, TX worth?

The TopHap Estimate for 3407 Knoll St, Houston, TX is $341,560 as of Sep 24, 2026. The likely range is $311,979 to $371,141. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3407 Knoll St, Houston, TX last sell?

3407 Knoll St, Houston, TX last sold on Jul 22, 2020 for $315,000, according to the county's recorded deed.

How big is 3407 Knoll St, Houston, TX?

3407 Knoll St, Houston, TX has 3 bedrooms, 2 bathrooms, 1,556 square feet of living space and a 0.22-acre lot.

When was 3407 Knoll St, Houston, TX built?

3407 Knoll St, Houston, TX was built in 1957, making it 69 years old. It is a traditional/old home. The building has 1 story.

What schools serve 3407 Knoll St, Houston, TX?

3407 Knoll St, Houston, TX is assigned to Edgewood Elementary School (elementary), rated D+; Northbrook High School (high), rated D-; Northbrook Middle School (middle), rated D+. All sit in Spring Branch Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3407 Knoll St, Houston, TX compare to other homes in Houston 77080?

Among the 10,900 homes in Houston 77080, it is worth more than 42% of them ($341,560 against a typical $357,680), its price per square foot is higher than 70% of them ($220 against a typical $199), it is bigger than 31% of them (1,556 ft² against a typical 1,822 ft²), its lot is bigger than 74% of them (0.22 ac against a typical 0.17 ac) and it is newer than 18% of them (1957 against a typical 1970). Measured against all of Harris County, it is worth more than 65% 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 3407 Knoll St, Houston, TX?

The 2025 property tax bill for 3407 Knoll St, Houston, TX was $5,298. The county assessed it at $399,526.

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