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Single Family ResidenceResidential
$586,463$219 / 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 Jul 14, 2026
Last sold for $294,999 on Jul 6, 2004

6437 THISTLE RIDGE AVE

FIRESTONE, CO 80504
4
Beds
3
Baths
2,674 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$586K
$572K low$600K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$294,999 · Jul 6, 2004
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$140,463
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$112,370
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.74%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$236,000
TCF NATIONAL BANK · recorded Nov 20, 2008
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$210,000
CALIBER HOME LOANS INC

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,539 (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.$37,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,220
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$29,780
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$37,790
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$604,570

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.30 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.0.23
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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.DeckPatio · 80 ft²Porch · 151 ft²

Transaction History(2)

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.

M
Coal Ridge Middle SchoolB-
Middle · Grades 6–8 · 0.1 mi
E
Prairie Ridge Elementary SchoolB-
Elementary · Grades PK–5 · 0.4 mi
H
Frederick Senior High SchoolB+
High · Grades 9–12 · 3.9 mi

District: St. Vrain Valley School District Re 1j

Neighborhood · ZIP 80504These 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.67
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.45

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.5.2%
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.64,419
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.637 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,048
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$129,711
Average tempThe average temperature here across a full year.49°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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

6437 Thistle Ridge Ave 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 72% of homes in Weld County
  • Costs less per square foot than 87% of homes in Longmont 80504
  • Bigger than 88% of homes in Weld County
  • Has a bigger lot than 73% of homes in Longmont 80504

What homes are worth in Longmont 80504

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

This home
$337K$1.7M

This home is worth more than 55% of homes in Longmont 80504.

How it measures up in Longmont 80504

The dot is this home. The mark in the middle is the typical home in Longmont 80504.

Estimated value$586,463
CheaperTypical $572,703Pricier

Pricier than 55% of homes nearby

Price per ft²$219
CheaperTypical $280Pricier

Pricier than 13% of homes nearby

Living area2,674 ft²
SmallerTypical 2,016 ft²Bigger

Bigger than 76% of homes nearby

Lot size0.23 ac
SmallerTypical 0.17 acBigger

Bigger than 73% of homes nearby

Year built2003
OlderTypical 2002Newer

Newer than 60% of homes nearby

How 6437 Thistle Ridge Ave ranks against every home in each area.
MeasureThis homeLongmont 80504Weld County
Estimated valuepricier than$586,46355% of homes72% of homes
Price per ft²pricier than$21913% of homes14% of homes
Living areabigger than2,674 ft²76% of homes88% of homes
Lot sizebigger than0.23 ac73% of homes71% of homes
Year builtnewer than200360% of homes56% of homes

About 6437 Thistle Ridge Ave

How much is 6437 Thistle Ridge Ave, Firestone, CO worth?

The TopHap Estimate for 6437 Thistle Ridge Ave, Firestone, CO is $586,463 as of Jul 14, 2026. The likely range is $572,469 to $600,457. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6437 Thistle Ridge Ave, Firestone, CO last sell?

6437 Thistle Ridge Ave, Firestone, CO last sold on Jul 6, 2004 for $294,999, according to the county's recorded deed.

How big is 6437 Thistle Ridge Ave, Firestone, CO?

6437 Thistle Ridge Ave, Firestone, CO has 4 bedrooms, 3 bathrooms, 2,674 square feet of living space and a 0.23-acre lot.

When was 6437 Thistle Ridge Ave, Firestone, CO built?

6437 Thistle Ridge Ave, Firestone, CO was built in 2003, making it 23 years old. It is a bi-level home. The building has 2 stories.

What schools serve 6437 Thistle Ridge Ave, Firestone, CO?

6437 Thistle Ridge Ave, Firestone, CO is assigned to Coal Ridge Middle School (middle), rated B-; Prairie Ridge Elementary School (elementary), rated B-; Frederick Senior High School (high), rated B+. All sit in St. Vrain Valley School District Re 1j. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6437 Thistle Ridge Ave, Firestone, CO compare to other homes in Longmont 80504?

Among the 21,651 homes in Longmont 80504, it is worth more than 55% of them ($586,463 against a typical $572,703), its price per square foot is higher than 13% of them ($219 against a typical $280), it is bigger than 76% of them (2,674 ft² against a typical 2,016 ft²), its lot is bigger than 73% of them (0.23 ac against a typical 0.17 ac) and it is newer than 60% of them (2003 against a typical 2002). Measured against all of Weld County, it is worth more than 72% 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 6437 Thistle Ridge Ave, Firestone, CO?

The 2025 property tax bill for 6437 Thistle Ridge Ave, Firestone, CO was $3,539. The county assessed it at $37,000.

Closest homes

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Assigned schools

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