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Single Family ResidenceResidential
$800,312$253 / 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 95How 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
Last sold for $800,000 on May 4, 2026

12973 GRASSLAND ST

FIRESTONE, CO
5
Beds
4
Baths
3,163 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
2023
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$800K
$763K low$838K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$800,000 · May 4, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,860 (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.$42,380 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,810
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$32,570
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$45,550
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$678,181

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.44
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
48
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
75
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
10
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
89
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.minimal

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.Bi-Level
CountyWELD
Lot (acres)The size of the land the home sits on, from county records.0.26
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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 · 97 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.

H
Mead High SchoolB+
High · Grades 9–12 · 1.9 mi
E
Mead Elementary SchoolA
Elementary · Grades PK–5 · 3.7 mi
M
Mead Middle SchoolA-
Middle · Grades 6–8 · 3.8 mi

District: St. Vrain Valley School District Re 1j

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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

12973 Grassland 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 91% of homes in Weld County
  • Costs less per square foot than 70% of homes in Weld County
  • Bigger than 94% of homes in Weld County
  • Has a bigger lot than 76% of homes in Weld County
  • Newer than 97% of homes in Weld County

How it measures up in Weld County

The dot is this home. The mark in the middle is the typical home in Weld County.

Estimated value$800,312
CheaperTypical $484,481Pricier

Pricier than 91% of homes nearby

Price per ft²$253
CheaperTypical $289Pricier

Pricier than 30% of homes nearby

Living area3,163 ft²
SmallerTypical 1,648 ft²Bigger

Bigger than 94% of homes nearby

Lot size0.26 ac
SmallerTypical 0.17 acBigger

Bigger than 76% of homes nearby

Year built2023
OlderTypical 2002Newer

Newer than 97% of homes nearby

How 12973 Grassland St ranks against every home in each area.
MeasureThis homeWeld County
Estimated valuepricier than$800,31291% of homes
Price per ft²pricier than$25330% of homes
Living areabigger than3,163 ft²94% of homes
Lot sizebigger than0.26 ac76% of homes
Year builtnewer than202397% of homes

About 12973 Grassland St

How much is 12973 Grassland St, Firestone, CO worth?

The TopHap Estimate for 12973 Grassland St, Firestone, CO is $800,312 as of Jul 14, 2026. The likely range is $762,745 to $837,879. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12973 Grassland St, Firestone, CO last sell?

12973 Grassland St, Firestone, CO last sold on May 4, 2026 for $800,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 12973 Grassland St, Firestone, CO?

12973 Grassland St, Firestone, CO has 5 bedrooms, 4 bathrooms, 3,163 square feet of living space and a 0.26-acre lot.

When was 12973 Grassland St, Firestone, CO built?

12973 Grassland St, Firestone, CO was built in 2023, making it 3 years old. It is a bi-level home. The building has 2 stories.

What schools serve 12973 Grassland St, Firestone, CO?

12973 Grassland St, Firestone, CO is assigned to Mead High School (high), rated B+; Mead Elementary School (elementary), rated A; Mead Middle School (middle), rated A-. All sit in St. Vrain Valley School District Re 1j. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12973 Grassland St, Firestone, CO compare to other homes in Weld County?

Among the 117,537 homes in Weld County, it is worth more than 91% of them ($800,312 against a typical $484,481), its price per square foot is higher than 30% of them ($253 against a typical $289), it is bigger than 94% of them (3,163 ft² against a typical 1,648 ft²), its lot is bigger than 76% of them (0.26 ac against a typical 0.17 ac) and it is newer than 97% of them (2023 against a typical 2002). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 12973 Grassland St, Firestone, CO?

The 2024 property tax bill for 12973 Grassland St, Firestone, CO was $7,860. The county assessed it at $42,380.

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Assigned schools

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