Skip to content
Skip to content
TopHapOpen in map
Multi-Family Dwellings (Generic, Any Combination)Residential
Last sold for $1,089,625 on Apr 23, 2019

788 18TH ST

BOULDER, CO 80302
6
Beds
3.3
Baths
2,684 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.
1931
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
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

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,089,625 · Apr 23, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,262 (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.$116,178 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$61,486
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$54,692
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$106,782
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,708,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Multi-Family Dwellings (Generic, Any Combination)
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.1980
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.Masonry/Concrete Masonry Units (Cmus)
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
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 · 96 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.

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

H
Boulder High SchoolC
High · Grades 9–12 · 0.8 mi
E
Flatirons Elementary SchoolA
Elementary · Grades KG–5 · 0.9 mi
M
Manhattan School of Arts and AcademicsA-
Middle · Grades 6–8 · 2.2 mi

District: Boulder Valley School District Re-2

Neighborhood · ZIP 80302These 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.134
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 100.46

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.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.27%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.31,245
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.324 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,366
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$127,191
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.22 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.69%

Owner Tools

Do you own this home?
Claim this home

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

788 18th 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.

  • Bigger than 74% of homes in Boulder County
  • Has a bigger lot than 75% of homes in University Place
  • Older than 94% of homes in Boulder County

How it measures up in Boulder 80302

The dot is this home. The mark in the middle is the typical home in Boulder 80302.

Living area2,684 ft²
SmallerTypical 2,016 ft²Bigger

Bigger than 69% of homes nearby

Lot size0.15 ac
SmallerTypical 0.24 acBigger

Bigger than 33% of homes nearby

Year built1931
OlderTypical 1970Newer

Newer than 24% of homes nearby

How 788 18th St ranks against every home in each area.
MeasureThis homeUniversity PlaceBoulder 80302Boulder County
Living areabigger than2,684 ft²70% of homes69% of homes74% of homes
Lot sizebigger than0.15 ac75% of homes33% of homes33% of homes
Year builtnewer than193140% of homes24% of homes6% of homes

About 788 18th St

When did 788 18th St, Boulder, CO last sell?

788 18th St, Boulder, CO last sold on Apr 23, 2019 for $1,089,625, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 788 18th St, Boulder, CO?

788 18th St, Boulder, CO has 6 bedrooms, 3.3 bathrooms, 2,684 square feet of living space and a 0.15-acre lot.

When was 788 18th St, Boulder, CO built?

788 18th St, Boulder, CO was built in 1931, making it 95 years old. It is a a-frame home. The building has 2 stories.

What schools serve 788 18th St, Boulder, CO?

788 18th St, Boulder, CO is assigned to Boulder High School (high), rated C; Flatirons Elementary School (elementary), rated A; Manhattan School of Arts and Academics (middle), 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 788 18th St, Boulder, CO compare to other homes in Boulder 80302?

Among the 7,990 homes in Boulder 80302, it is bigger than 69% of them (2,684 ft² against a typical 2,016 ft²), its lot is bigger than 33% of them (0.15 ac against a typical 0.24 ac) and it is newer than 24% of them (1931 against a typical 1970). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 788 18th St, Boulder, CO?

The 2025 property tax bill for 788 18th St, Boulder, CO was $10,262. The county assessed it at $116,178.

More homes on 18th St

Closest homes

More homes in Boulder 80302

Assigned schools

Explore the area

See this home in context

Open 788 18th St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map