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Single Family ResidenceResidential
$294,455$124 / 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 Aug 30, 2026

3433 GRENNOCK ST

BAY CITY, TX 77414
2
Baths
2,367 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.
0.52 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.

Valuation

$294K
$271K low$317K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,890 (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.$301,950 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$60,880
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$241,070
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$300,730
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$301,950

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.54
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
45
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
97
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
48
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
48
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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
CountyMatagorda
Lot (acres)The size of the land the home sits on, from county records.0.52
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 569 ft²

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

M
Bay City Junior High SchoolC+
Middle · Grades 6–8 · 1.7 mi
E
Roberts Elementary School
Elementary · Grades 1–2 · 2.1 mi
H
Bay City High SchoolC-
High · Grades 9–12 · 2.8 mi

District: Bay City Independent School District

Neighborhood · ZIP 77414These 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.105
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
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.77%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.26%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.25,328
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.39 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$58,583
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,871
Average tempThe average temperature here across a full year.70°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

3433 Grennock 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 73% of homes in Bay City 77414
  • Costs less per square foot than 69% of homes in Matagorda County
  • Bigger than 89% of homes in Bay City 77414
  • Has a bigger lot than 78% of homes in Bay City 77414
  • Newer than 68% of homes in Bay City 77414

What homes are worth in Bay City 77414

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

This home
$71K$661K

This home is worth more than 73% of homes in Bay City 77414.

How it measures up in Bay City 77414

The dot is this home. The mark in the middle is the typical home in Bay City 77414.

Estimated value$294,455
CheaperTypical $219,661Pricier

Pricier than 73% of homes nearby

Price per ft²$124
CheaperTypical $138Pricier

Pricier than 36% of homes nearby

Living area2,367 ft²
SmallerTypical 1,350 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.52 ac
SmallerTypical 0.24 acBigger

Bigger than 78% of homes nearby

Year built1990
OlderTypical 1980Newer

Newer than 68% of homes nearby

How 3433 Grennock St ranks against every home in each area.
MeasureThis homeBay City 77414Matagorda County
Estimated valuepricier than$294,45573% of homes69% of homes
Price per ft²pricier than$12436% of homes31% of homes
Living areabigger than2,367 ft²89% of homes89% of homes
Lot sizebigger than0.52 ac78% of homes71% of homes
Year builtnewer than199068% of homes64% of homes

About 3433 Grennock St

How much is 3433 Grennock St, Bay City, TX worth?

The TopHap Estimate for 3433 Grennock St, Bay City, TX is $294,455 as of Aug 30, 2026. The likely range is $271,452 to $317,458. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3433 Grennock St, Bay City, TX last sell?

3433 Grennock St, Bay City, TX last sold on Dec 5, 2003, according to the county's recorded deed.

How big is 3433 Grennock St, Bay City, TX?

3433 Grennock St, Bay City, TX has 2 bathrooms, 2,367 square feet of living space and a 0.52-acre lot.

When was 3433 Grennock St, Bay City, TX built?

3433 Grennock St, Bay City, TX was built in 1990, making it 36 years old.

What schools serve 3433 Grennock St, Bay City, TX?

3433 Grennock St, Bay City, TX is assigned to Bay City Junior High School (middle), rated C+; Roberts Elementary School (elementary); Bay City High School (high), rated C-. All sit in Bay City Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3433 Grennock St, Bay City, TX compare to other homes in Bay City 77414?

Among the 10,541 homes in Bay City 77414, it is worth more than 73% of them ($294,455 against a typical $219,661), its price per square foot is higher than 36% of them ($124 against a typical $138), it is bigger than 89% of them (2,367 ft² against a typical 1,350 ft²), its lot is bigger than 78% of them (0.52 ac against a typical 0.24 ac) and it is newer than 68% of them (1990 against a typical 1980). Measured against all of Matagorda County, it is worth more than 69% 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 3433 Grennock St, Bay City, TX?

The 2025 property tax bill for 3433 Grennock St, Bay City, TX was $4,890. The county assessed it at $301,950.

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