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Single Family ResidenceResidential
$599,180$317 / 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 Aug 30, 2026
Last sold for $450,000 on Sep 11, 2017

3100 UNION ST

ROCKLIN, CA 95677
4
Beds
2
Baths
1,893 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1963
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$599K
$571K low$628K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$450,000 · Sep 11, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,649 (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.$522,258 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$162,479
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$359,779
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$512,019

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.27
49
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
62
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
26
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.14 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.Contemporary
CountyPLACER
Lot (acres)The size of the land the home sits on, from county records.0.21
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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(25)

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(3)

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

M
Spring View Middle SchoolB-
Middle · Grades 7–8 · 0.3 mi
E
Parker Whitney Elementary SchoolA-
Elementary · Grades KG–6 · 0.5 mi
H
Rocklin High SchoolA
High · Grades 9–12 · 1.2 mi

District: Rocklin Unified School District

Neighborhood · ZIP 95677These 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.99
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.87

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
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.27,336
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,065 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$104,245
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$126,422
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

3100 Union 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 65% of homes in Placer County
  • Costs less per square foot than 78% of homes in Rocklin 95677
  • Has a smaller lot than 77% of homes in Sunset Whitney
  • Older than 97% of homes in Sunset Whitney

What homes are worth in Rocklin 95677

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

This home
$361K$1.6M

This home is worth more than 39% of homes in Rocklin 95677.

How it measures up in Rocklin 95677

The dot is this home. The mark in the middle is the typical home in Rocklin 95677.

Estimated value$599,180
CheaperTypical $657,478Pricier

Pricier than 39% of homes nearby

Price per ft²$317
CheaperTypical $352Pricier

Pricier than 22% of homes nearby

Living area1,893 ft²
SmallerTypical 1,942 ft²Bigger

Bigger than 48% of homes nearby

Lot size0.21 ac
SmallerTypical 0.23 acBigger

Bigger than 46% of homes nearby

Year built1963
OlderTypical 1989Newer

Newer than 5% of homes nearby

How 3100 Union St ranks against every home in each area.
MeasureThis homeSunset WhitneyRocklin 95677Placer County
Estimated valuepricier than$599,18046% of homes39% of homes35% of homes
Price per ft²pricier than$31734% of homes22% of homes34% of homes
Living areabigger than1,893 ft²58% of homes48% of homes47% of homes
Lot sizebigger than0.21 ac23% of homes46% of homes48% of homes
Year builtnewer than19633% of homes5% of homes10% of homes

About 3100 Union St

How much is 3100 Union St, Rocklin, CA worth?

The TopHap Estimate for 3100 Union St, Rocklin, CA is $599,180 as of Aug 30, 2026. The likely range is $570,817 to $627,543. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3100 Union St, Rocklin, CA last sell?

3100 Union St, Rocklin, CA last sold on Sep 11, 2017 for $450,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 3100 Union St, Rocklin, CA?

3100 Union St, Rocklin, CA has 4 bedrooms, 2 bathrooms, 1,893 square feet of living space and a 0.21-acre lot.

When was 3100 Union St, Rocklin, CA built?

3100 Union St, Rocklin, CA was built in 1963, making it 63 years old. It is a contemporary home.

What schools serve 3100 Union St, Rocklin, CA?

3100 Union St, Rocklin, CA is assigned to Spring View Middle School (middle), rated B-; Parker Whitney Elementary School (elementary), rated A-; Rocklin High School (high), rated A. All sit in Rocklin Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3100 Union St, Rocklin, CA compare to other homes in Rocklin 95677?

Among the 9,056 homes in Rocklin 95677, it is worth more than 39% of them ($599,180 against a typical $657,478), its price per square foot is higher than 22% of them ($317 against a typical $352), it is bigger than 48% of them (1,893 ft² against a typical 1,942 ft²), its lot is bigger than 46% of them (0.21 ac against a typical 0.23 ac) and it is newer than 5% of them (1963 against a typical 1989). Measured against all of Placer County, it is worth more than 35% 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 3100 Union St, Rocklin, CA?

The 2025 property tax bill for 3100 Union St, Rocklin, CA was $5,649. The county assessed it at $522,258.

More homes on Union St

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