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Single Family ResidenceResidential
Last sold for $144,000 on Oct 22, 2019

509 RIDGE AVE

LONGMONT, CO 80501
2
Beds
1.5
Baths
1,434 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
2020
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

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$144,000 · Oct 22, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,600 (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.$37,312 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,555
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$29,757
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$34,294
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$548,700

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.23 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Ranch
CountyBOULDER
Lot (acres)The size of the land the home sits on, from county records.0.13
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.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.Deck · 256 ft²Porch · 106 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
Burlington Elementary SchoolC
Elementary · Grades PK–5 · 0.5 mi
M
Sunset Middle SchoolD
Middle · Grades 6–8 · 1.0 mi
H
Niwot High SchoolA+
High · Grades 9–12 · 3.5 mi

District: St. Vrain Valley School District Re 1j

Neighborhood · ZIP 80501These 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.115
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.49

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.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.5%
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.44,021
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,442 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,365
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$98,163
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

509 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.

  • Smaller than 70% of homes in Boulder County
  • Has a smaller lot than 76% of homes in Longmont 80501
  • Among the newest homes in Longmont 80501

How it measures up in Longmont 80501

The dot is this home. The mark in the middle is the typical home in Longmont 80501.

Living area1,434 ft²
SmallerTypical 1,596 ft²Bigger

Bigger than 40% of homes nearby

Lot size0.13 ac
SmallerTypical 0.16 acBigger

Bigger than 24% of homes nearby

Year built2020
OlderTypical 1975Newer

Newer than almost all homes nearby

How 509 Ridge Ave ranks against every home in each area.
MeasureThis homeSouthmoor ParkLongmont 80501Boulder County
Living areabigger than1,434 ft²36% of homes40% of homes30% of homes
Lot sizebigger than0.13 ac29% of homes24% of homes26% of homes
Year builtnewer than202098% of homesalmost all homes96% of homes

About 509 Ridge Ave

When did 509 Ridge Ave, Longmont, CO last sell?

509 Ridge Ave, Longmont, CO last sold on Oct 22, 2019 for $144,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 509 Ridge Ave, Longmont, CO?

509 Ridge Ave, Longmont, CO has 2 bedrooms, 1.5 bathrooms, 1,434 square feet of living space and a 0.13-acre lot.

When was 509 Ridge Ave, Longmont, CO built?

509 Ridge Ave, Longmont, CO was built in 2020, making it 6 years old. It is a ranch home. The building has 1 story.

What schools serve 509 Ridge Ave, Longmont, CO?

509 Ridge Ave, Longmont, CO is assigned to Burlington Elementary School (elementary), rated C; Sunset Middle School (middle), rated D; Niwot 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 509 Ridge Ave, Longmont, CO compare to other homes in Longmont 80501?

Among the 13,173 homes in Longmont 80501, it is bigger than 40% of them (1,434 ft² against a typical 1,596 ft²), its lot is bigger than 24% of them (0.13 ac against a typical 0.16 ac) and it is newer than almost all of them (2020 against a typical 1975). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 509 Ridge Ave, Longmont, CO?

The 2025 property tax bill for 509 Ridge Ave, Longmont, CO was $3,600. The county assessed it at $37,312.

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