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Single Family ResidenceResidential
$1,980,115$744 / 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 69How 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 $435,000 on Mar 7, 1994

1881 SENDA ROCOSA ST

BOULDER, CO 80303
3
Beds
5 / 3
Baths
2,662 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.
1.03 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2M
$1.4M low$2.6M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$435,000 · Mar 7, 1994
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.$1,855,115
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$1,484,092
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.7%
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.$125,000
NAOMI W SIEGEL · E · recorded Oct 31, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$18,304 (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.$205,836 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$36,550
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$169,286
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$189,188
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$3,027,000

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.60 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
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.1993
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
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 · 64 ft²Patio · 745 ft²Porch · 514 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.

H
Fairview High SchoolA+
High · Grades 9–12 · 1.4 mi
M
Southern Hills Middle SchoolA
Middle · Grades 6–8 · 1.6 mi
E
Mesa Elementary SchoolA
Elementary · Grades KG–5 · 1.7 mi

District: Boulder Valley School District Re-2

Neighborhood · ZIP 80303These 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.113
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.53

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.20%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.29,841
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,134 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,530
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$120,060
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.18 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.Owner occupied
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

1881 Senda Rocosa 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.

  • Worth more than 94% of homes in Boulder County
  • Costs more per square foot than 95% of homes in Boulder 80303
  • Bigger than 76% of homes in Boulder 80303
  • Has a bigger lot than 89% of homes in Boulder County
  • Newer than 79% of homes in Boulder 80303

What homes are worth in Boulder 80303

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

This home
$277K$3.3M

This home is worth more than 91% of homes in Boulder 80303.

How it measures up in Boulder 80303

The dot is this home. The mark in the middle is the typical home in Boulder 80303.

Estimated value$1,980,115
CheaperTypical $845,205Pricier

Pricier than 91% of homes nearby

Price per ft²$744
CheaperTypical $493Pricier

Pricier than 95% of homes nearby

Living area2,662 ft²
SmallerTypical 1,730 ft²Bigger

Bigger than 76% of homes nearby

Lot size1.03 ac
SmallerTypical 0.2 acBigger

Bigger than 85% of homes nearby

Year built1989
OlderTypical 1974Newer

Newer than 79% of homes nearby

How 1881 Senda Rocosa St ranks against every home in each area.
MeasureThis homeBoulder 80303Boulder County
Estimated valuepricier than$1,980,11591% of homes94% of homes
Price per ft²pricier than$74495% of homes93% of homes
Living areabigger than2,662 ft²76% of homes73% of homes
Lot sizebigger than1.03 ac85% of homes89% of homes
Year builtnewer than198979% of homes57% of homes

About 1881 Senda Rocosa St

How much is 1881 Senda Rocosa St, Boulder, CO worth?

The TopHap Estimate for 1881 Senda Rocosa St, Boulder, CO is $1,980,115 as of Jul 14, 2026. The likely range is $1,373,547 to $2,586,683. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1881 Senda Rocosa St, Boulder, CO last sell?

1881 Senda Rocosa St, Boulder, CO last sold on Mar 7, 1994 for $435,000, according to the county's recorded deed.

How big is 1881 Senda Rocosa St, Boulder, CO?

1881 Senda Rocosa St, Boulder, CO has 3 bedrooms, 5 bathrooms and 2,662 square feet of living space.

When was 1881 Senda Rocosa St, Boulder, CO built?

1881 Senda Rocosa St, Boulder, CO was built in 1989, making it 37 years old. The building has 2 stories.

What schools serve 1881 Senda Rocosa St, Boulder, CO?

1881 Senda Rocosa St, Boulder, CO is assigned to Fairview High School (high), rated A+; Southern Hills Middle School (middle), rated A; Mesa Elementary School (elementary), rated A. All sit in Boulder Valley School District Re-2. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1881 Senda Rocosa St, Boulder, CO compare to other homes in Boulder 80303?

Among the 7,768 homes in Boulder 80303, it is worth more than 91% of them ($1,980,115 against a typical $845,205), its price per square foot is higher than 95% of them ($744 against a typical $493), it is bigger than 76% of them (2,662 ft² against a typical 1,730 ft²), its lot is bigger than 85% of them (1.03 ac against a typical 0.2 ac) and it is newer than 79% of them (1989 against a typical 1974). Measured against all of Boulder County, it is worth more than 94% 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 1881 Senda Rocosa St, Boulder, CO?

The 2025 property tax bill for 1881 Senda Rocosa St, Boulder, CO was $18,304. The county assessed it at $205,836.

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