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Single Family ResidenceResidential
$533,245$309 / 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 Aug 30, 2026
Last sold for $202,500 on Jul 5, 2005

5423 FOX RUN BLVD

FREDERICK, CO 80504
3
Beds
3
Baths
1,724 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
2001
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$533K
$509K low$557K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$202,500 · Jul 5, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,375 (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.$30,140 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,190
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$22,950
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$30,140
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$482,180

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.10 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
CountyWeld
Lot (acres)The size of the land the home sits on, from county records.0.20
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.Forced Air
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Built-in
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 56 ft²

Transaction History(4)

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
Legacy Elementary SchoolC+
Elementary · Grades PK–5 · 1.1 mi
H
Frederick Senior High SchoolB+
High · Grades 9–12 · 1.7 mi
M
Coal Ridge Middle SchoolB-
Middle · Grades 6–8 · 2.3 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.64,420
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.$110,047
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%

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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

5423 Fox Run Blvd 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 more per square foot than 68% of homes in Longmont 80504
  • Smaller than 65% of homes in Longmont 80504
  • Has a bigger lot than 66% 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
$325K$1.6M

This home is worth more than 37% 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$533,245
CheaperTypical $572,281Pricier

Pricier than 37% of homes nearby

Price per ft²$309
CheaperTypical $278Pricier

Pricier than 68% of homes nearby

Living area1,724 ft²
SmallerTypical 2,016 ft²Bigger

Bigger than 35% of homes nearby

Lot size0.2 ac
SmallerTypical 0.17 acBigger

Bigger than 66% of homes nearby

Year built2001
OlderTypical 2002Newer

Newer than 50% of homes nearby

How 5423 Fox Run Blvd ranks against every home in each area.
MeasureThis homeLongmont 80504Weld County
Estimated valuepricier than$533,24537% of homes63% of homes
Price per ft²pricier than$30968% of homes61% of homes
Living areabigger than1,724 ft²35% of homes54% of homes
Lot sizebigger than0.2 ac66% of homes63% of homes
Year builtnewer than200150% of homes49% of homes

About 5423 Fox Run Blvd

How much is 5423 Fox Run Blvd, Frederick, CO worth?

The TopHap Estimate for 5423 Fox Run Blvd, Frederick, CO is $533,245 as of Aug 30, 2026. The likely range is $509,067 to $557,423. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 5423 Fox Run Blvd, Frederick, CO last sell?

5423 Fox Run Blvd, Frederick, CO last sold on Jul 5, 2005 for $202,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 5423 Fox Run Blvd, Frederick, CO?

5423 Fox Run Blvd, Frederick, CO has 3 bedrooms, 3 bathrooms, 1,724 square feet of living space and a 0.20-acre lot.

When was 5423 Fox Run Blvd, Frederick, CO built?

5423 Fox Run Blvd, Frederick, CO was built in 2001, making it 25 years old. The building has 2 stories.

What schools serve 5423 Fox Run Blvd, Frederick, CO?

5423 Fox Run Blvd, Frederick, CO is assigned to Legacy Elementary School (elementary), rated C+; Frederick Senior High School (high), rated B+; Coal Ridge Middle School (middle), 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 5423 Fox Run Blvd, Frederick, CO compare to other homes in Longmont 80504?

Among the 21,650 homes in Longmont 80504, it is worth more than 37% of them ($533,245 against a typical $572,281), its price per square foot is higher than 68% of them ($309 against a typical $278), it is bigger than 35% of them (1,724 ft² against a typical 2,016 ft²), its lot is bigger than 66% of them (0.2 ac against a typical 0.17 ac) and it is newer than 50% of them (2001 against a typical 2002). Measured against all of Weld County, it is worth more than 63% 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 5423 Fox Run Blvd, Frederick, CO?

The 2025 property tax bill for 5423 Fox Run Blvd, Frederick, CO was $3,375. The county assessed it at $30,140.

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