Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential
$866,583$752 / 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 Sep 24, 2026

2159 ROCK ST

MOUNTAIN VIEW, CA 94043
2
Beds
1.5
Baths
1,153 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.
1,064 ft²
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
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

$867K
$791K low$942K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,900 (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.$327,109 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$114,391
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$212,718
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$320,697

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.34
25
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
26
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
24
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
37
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
60
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.7 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
CountySANTA CLARA
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.1971
Lot (acres)The size of the land the home sits on, from county records.0.02
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood Shingle
HeatingThe type of heating system in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Monta Loma Elementary SchoolA-
Elementary · Grades KG–5 · 0.3 mi
M
Crittenden Middle SchoolA-
Middle · Grades 6–8 · 0.5 mi
H
Los Altos High SchoolA+
High · Grades 9–12 · 2.0 mi

District: Mountain View Whisman Elementary School District

Neighborhood · ZIP 94043These 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.142
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.425

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.3%
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.28,863
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,282 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$165,325
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$209,804
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.15 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.73%

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

2159 Rock 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 less than 85% of homes in Santa Clara County
  • Costs less per square foot than 89% of homes in Mountain View 94043
  • Smaller than 84% of homes in Santa Clara County
  • Has a smaller lot than 93% of homes in Santa Clara County

What homes are worth in Mountain View 94043

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

This home
$549K$2.8M

This home is worth more than 16% of homes in Mountain View 94043.

How it measures up in Mountain View 94043

The dot is this home. The mark in the middle is the typical home in Mountain View 94043.

Estimated value$866,583
CheaperTypical $1,415,089Pricier

Pricier than 16% of homes nearby

Price per ft²$752
CheaperTypical $965Pricier

Pricier than 11% of homes nearby

Living area1,153 ft²
SmallerTypical 1,384 ft²Bigger

Bigger than 29% of homes nearby

Lot size1,064 ft²
SmallerTypical 2,483 ft²Bigger

Bigger than 15% of homes nearby

Year built1970
OlderTypical 1974Newer

Newer than 38% of homes nearby

How 2159 Rock St ranks against every home in each area.
MeasureThis homeMountain View 94043Santa Clara County
Estimated valuepricier than$866,58316% of homes15% of homes
Price per ft²pricier than$75211% of homes32% of homes
Living areabigger than1,153 ft²29% of homes16% of homes
Lot sizebigger than1,064 ft²15% of homes7% of homes
Year builtnewer than197038% of homes50% of homes

About 2159 Rock St

How much is 2159 Rock St, Mountain View, CA worth?

The TopHap Estimate for 2159 Rock St, Mountain View, CA is $866,583 as of Sep 24, 2026. The likely range is $790,731 to $942,435. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 2159 Rock St, Mountain View, CA last sell?

2159 Rock St, Mountain View, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 2159 Rock St, Mountain View, CA?

2159 Rock St, Mountain View, CA has 2 bedrooms, 1.5 bathrooms, 1,153 square feet of living space and a 0.02-acre lot.

When was 2159 Rock St, Mountain View, CA built?

2159 Rock St, Mountain View, CA was built in 1970, making it 56 years old. The building has 2 stories.

What schools serve 2159 Rock St, Mountain View, CA?

2159 Rock St, Mountain View, CA is assigned to Monta Loma Elementary School (elementary), rated A-; Crittenden Middle School (middle), rated A-; Los Altos High School (high), rated A+. All sit in Mountain View Whisman Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 2159 Rock St, Mountain View, CA compare to other homes in Mountain View 94043?

Among the 8,797 homes in Mountain View 94043, it is worth more than 16% of them ($866,583 against a typical $1,415,089), its price per square foot is higher than 11% of them ($752 against a typical $965), it is bigger than 29% of them (1,153 ft² against a typical 1,384 ft²), its lot is bigger than 15% of them (1,064 ft² against a typical 2,483 ft²) and it is newer than 38% of them (1970 against a typical 1974). Measured against all of Santa Clara County, it is worth more than 15% 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 2159 Rock St, Mountain View, CA?

The 2025 property tax bill for 2159 Rock St, Mountain View, CA was $3,900. The county assessed it at $327,109.

More homes on Rock St

Closest homes

More homes in Mountain View 94043

Assigned schools

Explore the area

See this home in context

Open 2159 Rock 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