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CondominiumResidential
$583,933$1,017 / 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 91How 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 $595,000 on Sep 30, 2024

129 RIVER RUN RD

KEYSTONE, CO 80435
Building report
1
Beds
1
Baths
574 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.
1.09 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$584K
$530K low$638K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$595,000 · Sep 30, 2024
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.$187,933
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$150,346
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.68%
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.$396,000
BOKF NA · recorded Sep 2, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,277 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$45,818 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$45,818
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$47,717
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$673,800

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.41
25
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
27
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
49
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
39
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
66
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.13 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.0.2 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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.High Rise
CountySUMMIT
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.1998
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Summit Cove Elementary SchoolC-
Elementary · Grades PK–5 · 3.5 mi
H
Summit High SchoolC+
High · Grades 9–12 · 6.7 mi
M
Summit Middle SchoolC-
Middle · Grades 6–8 · 8.0 mi

District: Summit School District Re-1

Neighborhood · ZIP 80435These 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.82
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.69

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.42%
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.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.7,297
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.42 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,172
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$115,382
Average tempThe average temperature here across a full year.30°F
Annual precipHow much rain and melted snow falls here in a typical year.28 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.Absentee owner
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

129 River Run Rd 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 less than 80% of homes in Summit County
  • Costs more per square foot than 88% of homes in Dillon 80435
  • Smaller than 90% of homes in Dillon 80435
  • Has a smaller lot than 80% of homes in Keystone

What homes are worth in Dillon 80435

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

This home
$316K$3.4M

This home is worth more than 26% of homes in Dillon 80435.

How it measures up in Dillon 80435

The dot is this home. The mark in the middle is the typical home in Dillon 80435.

Estimated value$583,933
CheaperTypical $820,000Pricier

Pricier than 26% of homes nearby

Price per ft²$1017
CheaperTypical $705Pricier

Pricier than 88% of homes nearby

Living area574 ft²
SmallerTypical 1,115 ft²Bigger

Bigger than 10% of homes nearby

Lot size1.09 ac
SmallerTypical 1.36 acBigger

Bigger than 46% of homes nearby

Year built1995
OlderTypical 1984Newer

Newer than 63% of homes nearby

How 129 River Run Rd ranks against every home in each area.
MeasureThis homeKeystoneDillon 80435Summit County
Estimated valuepricier than$583,93322% of homes26% of homes20% of homes
Price per ft²pricier than$101780% of homes88% of homes82% of homes
Living areabigger than574 ft²15% of homes10% of homes10% of homes
Lot sizebigger than1.09 ac20% of homes46% of homes57% of homes
Year builtnewer than199552% of homes63% of homes59% of homes

About 129 River Run Rd

How much is 129 River Run Rd, Keystone, CO worth?

The TopHap Estimate for 129 River Run Rd, Keystone, CO is $583,933 as of Jul 14, 2026. The likely range is $530,096 to $637,770. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 129 River Run Rd, Keystone, CO last sell?

129 River Run Rd, Keystone, CO last sold on Sep 30, 2024 for $595,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 129 River Run Rd, Keystone, CO?

129 River Run Rd, Keystone, CO has 1 bedrooms, 1 bathrooms and 574 square feet of living space.

When was 129 River Run Rd, Keystone, CO built?

129 River Run Rd, Keystone, CO was built in 1995, making it 31 years old. It is a high rise home. The building has 1 story.

What schools serve 129 River Run Rd, Keystone, CO?

129 River Run Rd, Keystone, CO is assigned to Summit Cove Elementary School (elementary), rated C-; Summit High School (high), rated C+; Summit Middle School (middle), rated C-. All sit in Summit School District Re-1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 129 River Run Rd, Keystone, CO compare to other homes in Dillon 80435?

Among the 7,395 homes in Dillon 80435, it is worth more than 26% of them ($583,933 against a typical $820,000), its price per square foot is higher than 88% of them ($1017 against a typical $705), it is bigger than 10% of them (574 ft² against a typical 1,115 ft²), its lot is bigger than 46% of them (1.09 ac against a typical 1.36 ac) and it is newer than 63% of them (1995 against a typical 1984). Measured against all of Summit County, it is worth more than 20% 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 129 River Run Rd, Keystone, CO?

The 2024 property tax bill for 129 River Run Rd, Keystone, CO was $2,277. The county assessed it at $45,818.

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Assigned schools

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