Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$513,469$322 / 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 98How 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
Last sold for $515,000 on Jun 24, 2026

12799 FOREST ST

THORNTON, CO 80241
3
Beds
2.5
Baths
1,597 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1994
Year BuiltThe year the home was originally built, according to county records.
2
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

$513K
$505K low$522K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$515,000 · Jun 24, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,750 (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.$33,320 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,460
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$26,860
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$30,630
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$490,000

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.Split Level
CountyADAMS
Lot (acres)The size of the land the home sits on, from county records.0.18
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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
ViewThe type of view from the property, or another feature of the site that affects value.Sound

Transaction History(8)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

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

M
Shadow Ridge Middle SchoolD
Middle · Grades 6–8 · 0.5 mi
E
Skyview Elementary SchoolC+
Elementary · Grades KG–5 · 0.6 mi
H
Horizon High SchoolA-
High · Grades 9–12 · 1.1 mi

District: Northglenn-Thornton School District 12

Neighborhood · ZIP 80241These 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.62
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.46

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.9%
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.33,822
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,945 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,072
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$123,533
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.14 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.69%

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

12799 Forest 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 96% of homes in Deer Run
  • Costs less per square foot than 77% of homes in Deer Run
  • Bigger than 94% of homes in Deer Run
  • Has a bigger lot than 97% of homes in Deer Run
  • Newer than 94% of homes in Deer Run

What homes are worth in Thornton 80241

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

This home
$326K$757K

This home is worth more than 49% of homes in Thornton 80241.

How it measures up in Thornton 80241

The dot is this home. The mark in the middle is the typical home in Thornton 80241.

Estimated value$513,469
CheaperTypical $515,258Pricier

Pricier than 49% of homes nearby

Price per ft²$322
CheaperTypical $296Pricier

Pricier than 69% of homes nearby

Living area1,597 ft²
SmallerTypical 1,694 ft²Bigger

Bigger than 42% of homes nearby

Lot size0.18 ac
SmallerTypical 0.15 acBigger

Bigger than 78% of homes nearby

Year built1994
OlderTypical 1996Newer

Newer than 43% of homes nearby

How 12799 Forest St ranks against every home in each area.
MeasureThis homeDeer RunThornton 80241Adams County
Estimated valuepricier than$513,46996% of homes49% of homes62% of homes
Price per ft²pricier than$32223% of homes69% of homes64% of homes
Living areabigger than1,597 ft²94% of homes42% of homes51% of homes
Lot sizebigger than0.18 ac97% of homes78% of homes64% of homes
Year builtnewer than199494% of homes43% of homes49% of homes

About 12799 Forest St

How much is 12799 Forest St, Thornton, CO worth?

The TopHap Estimate for 12799 Forest St, Thornton, CO is $513,469 as of Aug 30, 2026. The likely range is $504,716 to $522,222. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12799 Forest St, Thornton, CO last sell?

12799 Forest St, Thornton, CO last sold on Jun 24, 2026 for $515,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 12799 Forest St, Thornton, CO?

12799 Forest St, Thornton, CO has 3 bedrooms, 2.5 bathrooms, 1,597 square feet of living space and a 0.18-acre lot.

When was 12799 Forest St, Thornton, CO built?

12799 Forest St, Thornton, CO was built in 1994, making it 32 years old. It is a split level home. The building has 2 stories.

What schools serve 12799 Forest St, Thornton, CO?

12799 Forest St, Thornton, CO is assigned to Shadow Ridge Middle School (middle), rated D; Skyview Elementary School (elementary), rated C+; Horizon High School (high), rated A-. All sit in Northglenn-Thornton School District 12. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12799 Forest St, Thornton, CO compare to other homes in Thornton 80241?

Among the 10,624 homes in Thornton 80241, it is worth more than 49% of them ($513,469 against a typical $515,258), its price per square foot is higher than 69% of them ($322 against a typical $296), it is bigger than 42% of them (1,597 ft² against a typical 1,694 ft²), its lot is bigger than 78% of them (0.18 ac against a typical 0.15 ac) and it is newer than 43% of them (1994 against a typical 1996). Measured against all of Adams County, it is worth more than 62% 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 12799 Forest St, Thornton, CO?

The 2025 property tax bill for 12799 Forest St, Thornton, CO was $3,750. The county assessed it at $33,320.

More homes on Forest St

Closest homes

More homes in Thornton 80241

Assigned schools

Explore the area

See this home in context

Open 12799 Forest 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