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Single Family ResidenceResidential
$907,124$644 / 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 87How 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 $133,000 on Jan 2, 1990

6438 ROBIN DR

LONGMONT, CO 80503
3
Beds
1.8
Baths
1,409 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.
1.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
1
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$907K
$793K low$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.$133,000 · Jan 2, 1990

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,228 (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.$69,122 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$39,542
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$29,580
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$63,531
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,016,500

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.67 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

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.A-Frame
CountyBOULDER
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1978
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Hot Water
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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.Deck · 672 ft²Patio · 1,056 ft²Porch · 72 ft²

Transaction History(1)

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
Blue Mountain Elementary SchoolA-
Elementary · Grades PK–5 · 3.0 mi
M
Altona Middle SchoolA
Middle · Grades 6–8 · 3.4 mi
H
Silver Creek High SchoolA-
High · Grades 9–12 · 3.6 mi

District: St. Vrain Valley School District Re 1j

Neighborhood · ZIP 80503These 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.68
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.48

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.35,912
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.383 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$119,092
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$150,122
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.17 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

6438 Robin 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 66% of homes in Longmont 80503
  • Costs more per square foot than 98% of homes in Longmont 80503
  • Smaller than 90% of homes in Longmont 80503
  • Has a bigger lot than 89% of homes in Boulder County
  • Among the oldest homes in Longmont 80503

What homes are worth in Longmont 80503

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

This home
$358K$2.7M

This home is worth more than 66% of homes in Longmont 80503.

How it measures up in Longmont 80503

The dot is this home. The mark in the middle is the typical home in Longmont 80503.

Estimated value$907,124
CheaperTypical $739,446Pricier

Pricier than 66% of homes nearby

Price per ft²$644
CheaperTypical $330Pricier

Pricier than 98% of homes nearby

Living area1,409 ft²
SmallerTypical 2,372 ft²Bigger

Bigger than 10% of homes nearby

Lot size1.1 ac
SmallerTypical 0.2 acBigger

Bigger than 88% of homes nearby

Year built1910
OlderTypical 1993Newer

Older than almost all homes nearby

How 6438 Robin Dr ranks against every home in each area.
MeasureThis homeLongmont 80503Boulder County
Estimated valuepricier than$907,12466% of homes65% of homes
Price per ft²pricier than$64498% of homes88% of homes
Living areabigger than1,409 ft²10% of homes29% of homes
Lot sizebigger than1.1 ac88% of homes89% of homes
Year builtnewer than1910almost no homes3% of homes

About 6438 Robin Dr

How much is 6438 Robin Dr, Longmont, CO worth?

The TopHap Estimate for 6438 Robin Dr, Longmont, CO is $907,124 as of Aug 30, 2026. The likely range is $793,003 to $1,021,245. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6438 Robin Dr, Longmont, CO last sell?

6438 Robin Dr, Longmont, CO last sold on Jan 2, 1990 for $133,000, according to the county's recorded deed.

How big is 6438 Robin Dr, Longmont, CO?

6438 Robin Dr, Longmont, CO has 3 bedrooms, 1.8 bathrooms and 1,409 square feet of living space.

When was 6438 Robin Dr, Longmont, CO built?

6438 Robin Dr, Longmont, CO was built in 1910, making it 116 years old. It is a a-frame home. The building has 1 story.

What schools serve 6438 Robin Dr, Longmont, CO?

6438 Robin Dr, Longmont, CO is assigned to Blue Mountain Elementary School (elementary), rated A-; Altona Middle School (middle), rated A; Silver Creek High School (high), 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 6438 Robin Dr, Longmont, CO compare to other homes in Longmont 80503?

Among the 11,721 homes in Longmont 80503, it is worth more than 66% of them ($907,124 against a typical $739,446), its price per square foot is higher than 98% of them ($644 against a typical $330), it is bigger than 10% of them (1,409 ft² against a typical 2,372 ft²), its lot is bigger than 88% of them (1.1 ac against a typical 0.2 ac) and it is newer than almost none of them (1910 against a typical 1993). Measured against all of Boulder County, it is worth more than 65% 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 6438 Robin Dr, Longmont, CO?

The 2025 property tax bill for 6438 Robin Dr, Longmont, CO was $6,228. The county assessed it at $69,122.

More homes on Robin Dr

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