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Single Family ResidenceResidential
$447,406$289 / 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 95How 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

300 MARIPOSA ST

ROSEVILLE, CA 95678
3
Beds
1
Baths
1,549 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1949
Year BuiltThe year the home was originally built, according to county records.

Valuation

$447K
$425K low$469K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,913 (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.$193,008 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$71,999
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$121,009
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$189,225

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.38
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
63
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
59
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
45
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
26
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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.Contemporary
CountyPLACER
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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(4)

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
Roseville High SchoolB
High · Grades 9–12 · 0.2 mi
E
Ferris Spanger Elementary SchoolB
Elementary · Grades KG–5 · 0.2 mi
M
George A. Buljan Middle SchoolB-
Middle · Grades 6–8 · 1.9 mi

District: Roseville Joint Union High School District

Neighborhood · ZIP 95678These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.90

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.50,142
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,331 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$94,351
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,031
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.24 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

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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

300 Mariposa 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 90% of homes in Placer County
  • Costs less per square foot than 86% of homes in Roseville 95678
  • Smaller than 70% of homes in Placer County
  • Has a bigger lot than 72% of homes in Sierra Vista
  • Older than 96% of homes in Placer County

What homes are worth in Roseville 95678

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

This home
$261K$925K

This home is worth more than 26% of homes in Roseville 95678.

How it measures up in Roseville 95678

The dot is this home. The mark in the middle is the typical home in Roseville 95678.

Estimated value$447,406
CheaperTypical $531,614Pricier

Pricier than 26% of homes nearby

Price per ft²$289
CheaperTypical $336Pricier

Pricier than 14% of homes nearby

Living area1,549 ft²
SmallerTypical 1,537 ft²Bigger

Bigger than 51% of homes nearby

Lot size0.17 ac
SmallerTypical 0.17 acBigger

Bigger than 53% of homes nearby

Year built1949
OlderTypical 1989Newer

Newer than 15% of homes nearby

How 300 Mariposa St ranks against every home in each area.
MeasureThis homeSierra VistaRoseville 95678Placer County
Estimated valuepricier than$447,40651% of homes26% of homes10% of homes
Price per ft²pricier than$28917% of homes14% of homes21% of homes
Living areabigger than1,549 ft²66% of homes51% of homes30% of homes
Lot sizebigger than0.17 ac72% of homes53% of homes32% of homes
Year builtnewer than194969% of homes15% of homes4% of homes

About 300 Mariposa St

How much is 300 Mariposa St, Roseville, CA worth?

The TopHap Estimate for 300 Mariposa St, Roseville, CA is $447,406 as of Sep 24, 2026. The likely range is $425,424 to $469,388. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 300 Mariposa St, Roseville, CA last sell?

300 Mariposa St, Roseville, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 300 Mariposa St, Roseville, CA?

300 Mariposa St, Roseville, CA has 3 bedrooms, 1 bathrooms, 1,549 square feet of living space and a 0.17-acre lot.

When was 300 Mariposa St, Roseville, CA built?

300 Mariposa St, Roseville, CA was built in 1949, making it 77 years old. It is a contemporary home.

What schools serve 300 Mariposa St, Roseville, CA?

300 Mariposa St, Roseville, CA is assigned to Roseville High School (high), rated B; Ferris Spanger Elementary School (elementary), rated B; George A. Buljan Middle School (middle), rated B-. All sit in Roseville Joint Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 300 Mariposa St, Roseville, CA compare to other homes in Roseville 95678?

Among the 13,091 homes in Roseville 95678, it is worth more than 26% of them ($447,406 against a typical $531,614), its price per square foot is higher than 14% of them ($289 against a typical $336), it is bigger than 51% of them (1,549 ft² against a typical 1,537 ft²), its lot is bigger than 53% of them (0.17 ac against a typical 0.17 ac) and it is newer than 15% of them (1949 against a typical 1989). Measured against all of Placer County, it is worth more than 10% 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 300 Mariposa St, Roseville, CA?

The 2025 property tax bill for 300 Mariposa St, Roseville, CA was $1,913. The county assessed it at $193,008.

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