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Single Family ResidenceResidential
$1,038,124$305 / 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 92How 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 $550,000 on Dec 18, 2017

3515 RINN VALLEY DR

FREDERICK, CO 80504
4
Beds
4
Baths
3,402 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.
0.54 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.

Valuation

$1M
$958K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$550,000 · Dec 18, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,729 (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.$60,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,880
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$48,220
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$60,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$961,569

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.32 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.0.54
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.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, Basement
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.BalconyPatio · 271 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.

E
Grand View Elementary SchoolB
Elementary · Grades PK–5 · 2.7 mi
M
Coal Ridge Middle SchoolB-
Middle · Grades 6–8 · 3.3 mi
H
Mead High SchoolB+
High · Grades 9–12 · 3.4 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

3515 Rinn Valley Dr 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 97% of homes in Weld County
  • Costs more per square foot than 66% of homes in Longmont 80504
  • Bigger than 96% of homes in Weld County
  • Has a bigger lot than 90% of homes in Longmont 80504
  • Newer than 68% 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 94% 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$1,038,124
CheaperTypical $572,959Pricier

Pricier than 94% of homes nearby

Price per ft²$305
CheaperTypical $278Pricier

Pricier than 66% of homes nearby

Living area3,402 ft²
SmallerTypical 2,018 ft²Bigger

Bigger than 90% of homes nearby

Lot size0.54 ac
SmallerTypical 0.17 acBigger

Bigger than 90% of homes nearby

Year built2005
OlderTypical 2002Newer

Newer than 68% of homes nearby

How 3515 Rinn Valley Dr ranks against every home in each area.
MeasureThis homeLongmont 80504Weld County
Estimated valuepricier than$1,038,12494% of homes97% of homes
Price per ft²pricier than$30566% of homes59% of homes
Living areabigger than3,402 ft²90% of homes96% of homes
Lot sizebigger than0.54 ac90% of homes85% of homes
Year builtnewer than200568% of homes63% of homes

About 3515 Rinn Valley Dr

How much is 3515 Rinn Valley Dr, Frederick, CO worth?

The TopHap Estimate for 3515 Rinn Valley Dr, Frederick, CO is $1,038,124 as of Aug 30, 2026. The likely range is $957,546 to $1,118,702. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3515 Rinn Valley Dr, Frederick, CO last sell?

3515 Rinn Valley Dr, Frederick, CO last sold on Dec 18, 2017 for $550,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3515 Rinn Valley Dr, Frederick, CO?

3515 Rinn Valley Dr, Frederick, CO has 4 bedrooms, 4 bathrooms, 3,402 square feet of living space and a 0.54-acre lot.

When was 3515 Rinn Valley Dr, Frederick, CO built?

3515 Rinn Valley Dr, Frederick, CO was built in 2005, making it 21 years old. The building has 3 stories.

What schools serve 3515 Rinn Valley Dr, Frederick, CO?

3515 Rinn Valley Dr, Frederick, CO is assigned to Grand View Elementary School (elementary), rated B; Coal Ridge Middle School (middle), rated B-; Mead 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 3515 Rinn Valley Dr, Frederick, CO compare to other homes in Longmont 80504?

Among the 21,650 homes in Longmont 80504, it is worth more than 94% of them ($1,038,124 against a typical $572,959), its price per square foot is higher than 66% of them ($305 against a typical $278), it is bigger than 90% of them (3,402 ft² against a typical 2,018 ft²), its lot is bigger than 90% of them (0.54 ac against a typical 0.17 ac) and it is newer than 68% of them (2005 against a typical 2002). Measured against all of Weld County, it is worth more than 97% 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 3515 Rinn Valley Dr, Frederick, CO?

The 2025 property tax bill for 3515 Rinn Valley Dr, Frederick, CO was $6,729. The county assessed it at $60,100.

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