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Single Family ResidenceResidential
$481,267$269 / 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 97How 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 $215,000 on Apr 10, 2004

4577 BISCAY ST

DENVER, CO 80249
3
Beds
2.5
Baths
1,789 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1984
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$481K
$469K low$494K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$215,000 · Apr 10, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,195 (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.$35,020 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,960
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$6,960
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$28,870
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$496,700

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.47
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
37
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
75
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
23
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.6 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.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.Bi-Level
CountyDENVER
Lot (acres)The size of the land the home sits on, from county records.0.15
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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 · 120 ft²Patio · 48 ft²Porch · 54 ft²

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.

Foreclosure Filings(7)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Dr. Martin Luther King Jr. Early CollegeC
Middle · Grades 6–12 · 0.3 mi
E
Marrama Elementary SchoolD+
Elementary · Grades PK–5 · 0.5 mi

District: Denver County School District 1

Neighborhood · ZIP 80249These 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.40
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.43

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.0%
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.38,532
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.741 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,156
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$110,150
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.16 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

4577 Biscay St 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 less per square foot than 79% of homes in Denver County
  • Has a bigger lot than 82% of homes in Denver 80249
  • Older than 96% of homes in Denver 80249

What homes are worth in Denver 80249

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

This home
$297K$695K

This home is worth more than 61% of homes in Denver 80249.

How it measures up in Denver 80249

The dot is this home. The mark in the middle is the typical home in Denver 80249.

Estimated value$481,267
CheaperTypical $458,075Pricier

Pricier than 61% of homes nearby

Price per ft²$269
CheaperTypical $248Pricier

Pricier than 65% of homes nearby

Living area1,789 ft²
SmallerTypical 1,773 ft²Bigger

Bigger than 51% of homes nearby

Lot size0.15 ac
SmallerTypical 0.11 acBigger

Bigger than 82% of homes nearby

Year built1984
OlderTypical 2004Newer

Newer than 4% of homes nearby

How 4577 Biscay St ranks against every home in each area.
MeasureThis homeDenver 80249Denver County
Estimated valuepricier than$481,26761% of homes41% of homes
Price per ft²pricier than$26965% of homes21% of homes
Living areabigger than1,789 ft²51% of homes61% of homes
Lot sizebigger than0.15 ac82% of homes74% of homes
Year builtnewer than19844% of homes71% of homes

About 4577 Biscay St

How much is 4577 Biscay St, Denver, CO worth?

The TopHap Estimate for 4577 Biscay St, Denver, CO is $481,267 as of Aug 30, 2026. The likely range is $468,536 to $493,998. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4577 Biscay St, Denver, CO last sell?

4577 Biscay St, Denver, CO last sold on Apr 10, 2004 for $215,000, according to the county's recorded deed.

How big is 4577 Biscay St, Denver, CO?

4577 Biscay St, Denver, CO has 3 bedrooms, 2.5 bathrooms, 1,789 square feet of living space and a 0.15-acre lot.

When was 4577 Biscay St, Denver, CO built?

4577 Biscay St, Denver, CO was built in 1984, making it 42 years old. It is a bi-level home. The building has 2 stories.

What schools serve 4577 Biscay St, Denver, CO?

4577 Biscay St, Denver, CO is assigned to Dr. Martin Luther King Jr. Early College (middle), rated C; Marrama Elementary School (elementary), rated D+. All sit in Denver County School District 1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4577 Biscay St, Denver, CO compare to other homes in Denver 80249?

Among the 11,295 homes in Denver 80249, it is worth more than 61% of them ($481,267 against a typical $458,075), its price per square foot is higher than 65% of them ($269 against a typical $248), it is bigger than 51% of them (1,789 ft² against a typical 1,773 ft²), its lot is bigger than 82% of them (0.15 ac against a typical 0.11 ac) and it is newer than 4% of them (1984 against a typical 2004). Measured against all of Denver County, it is worth more than 41% 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 4577 Biscay St, Denver, CO?

The 2025 property tax bill for 4577 Biscay St, Denver, CO was $3,195. The county assessed it at $35,020.

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