Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$248,677$144 / 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 97How 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 $185,000 on Jul 17, 2020

819 GLEN KEY ST

DENISON, TX 75020
0
Baths
1,726 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$249K
$240K low$257K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$185,000 · Jul 17, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,306 (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.$266,466 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$242,242
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$268,489

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyGRAYSON
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.2005
Lot (acres)The size of the land the home sits on, from county records.0.19
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 · 120 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
Mayes Elementary SchoolB-
Elementary · Grades PK–4 · 0.4 mi
M
Scott Middle SchoolC
Middle · Grades 7–8 · 2.1 mi
H
Denison High SchoolC+
High · Grades 9–12 · 3.4 mi

District: Denison Independent School District

Neighborhood · ZIP 75020These 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.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.36

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.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.27,724
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.406 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,023
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$87,106
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.42 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

819 Glen Key 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.

  • Costs less per square foot than 66% of homes in Grayson County
  • Has a smaller lot than 73% of homes in Grayson County

What homes are worth in Denison 75020

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

This home
$95K$885K

This home is worth more than 64% of homes in Denison 75020.

How it measures up in Denison 75020

The dot is this home. The mark in the middle is the typical home in Denison 75020.

Estimated value$248,677
CheaperTypical $208,271Pricier

Pricier than 64% of homes nearby

Price per ft²$144
CheaperTypical $143Pricier

Pricier than 51% of homes nearby

Living area1,726 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 63% of homes nearby

Lot size0.19 ac
SmallerTypical 0.23 acBigger

Bigger than 40% of homes nearby

Year built1971
OlderTypical 1966Newer

Newer than 57% of homes nearby

How 819 Glen Key St ranks against every home in each area.
MeasureThis homeDenison 75020Grayson County
Estimated valuepricier than$248,67764% of homes42% of homes
Price per ft²pricier than$14451% of homes34% of homes
Living areabigger than1,726 ft²63% of homes55% of homes
Lot sizebigger than0.19 ac40% of homes27% of homes
Year builtnewer than197157% of homes36% of homes

About 819 Glen Key St

How much is 819 Glen Key St, Denison, TX worth?

The TopHap Estimate for 819 Glen Key St, Denison, TX is $248,677 as of Sep 24, 2026. The likely range is $240,270 to $257,084. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 819 Glen Key St, Denison, TX last sell?

819 Glen Key St, Denison, TX last sold on Jul 17, 2020 for $185,000, according to the county's recorded deed.

How big is 819 Glen Key St, Denison, TX?

819 Glen Key St, Denison, TX has 1,726 square feet of living space and a 0.19-acre lot.

When was 819 Glen Key St, Denison, TX built?

819 Glen Key St, Denison, TX was built in 1971, making it 55 years old. The building has 1 story.

What schools serve 819 Glen Key St, Denison, TX?

819 Glen Key St, Denison, TX is assigned to Mayes Elementary School (elementary), rated B-; Scott Middle School (middle), rated C; Denison High School (high), rated C+. All sit in Denison Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 819 Glen Key St, Denison, TX compare to other homes in Denison 75020?

Among the 10,666 homes in Denison 75020, it is worth more than 64% of them ($248,677 against a typical $208,271), its price per square foot is higher than 51% of them ($144 against a typical $143), it is bigger than 63% of them (1,726 ft² against a typical 1,500 ft²), its lot is bigger than 40% of them (0.19 ac against a typical 0.23 ac) and it is newer than 57% of them (1971 against a typical 1966). Measured against all of Grayson County, it is worth more than 42% 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 819 Glen Key St, Denison, TX?

The 2024 property tax bill for 819 Glen Key St, Denison, TX was $4,306. The county assessed it at $266,466.

More homes on Glen Key St

Closest homes

More homes in Denison 75020

Assigned schools

Explore the area

See this home in context

Open 819 Glen Key St 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