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Single Family ResidenceResidential
$257,954$235 / 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 96How 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 $192,000 on Aug 10, 2020

604 UNION ST

ISLETON, CA 95641
1
Beds
1
Baths
1,100 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.
2,250 ft²
Lot SizeThe size of the land the home sits on, from county records.
1941
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
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

$258K
$249K low$267K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$192,000 · Aug 10, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,853 (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.$275,706 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$83,232
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$192,474
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$270,300

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.49
92
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.
46
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
27
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
21
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.138 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.Custom Design
CountySACRAMENTO
Lot (acres)The size of the land the home sits on, from county records.0.05
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.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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(2)

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

E
Isleton Elementary SchoolA
Elementary · Grades KG–6 · 0.1 mi
M
Riverview Middle SchoolD
Middle · Grades 6–8 · 4.8 mi
H
Rio Vista High SchoolC-
High · Grades 9–12 · 4.9 mi

District: River Delta Joint Unified School District

Neighborhood · ZIP 95641These 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.181
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.77
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.313

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.79%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.25%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.1,982
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.39 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,886
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$75,015
Average tempThe average temperature here across a full year.60°F
Annual precipHow much rain and melted snow falls here in a typical year.17 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

604 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 98% of homes in Sacramento County
  • Costs less per square foot than 93% of homes in Sacramento County
  • Smaller than 86% of homes in Sacramento County
  • Has a smaller lot than 97% of homes in Isleton 95641
  • Older than 95% of homes in Sacramento County

What homes are worth in Isleton 95641

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

This home
$214K$1.2M

This home is worth more than 9% of homes in Isleton 95641.

How it measures up in Isleton 95641

The dot is this home. The mark in the middle is the typical home in Isleton 95641.

Estimated value$257,954
CheaperTypical $370,692Pricier

Pricier than 9% of homes nearby

Price per ft²$235
CheaperTypical $291Pricier

Pricier than 18% of homes nearby

Living area1,100 ft²
SmallerTypical 1,316 ft²Bigger

Bigger than 33% of homes nearby

Lot size2,250 ft²
SmallerTypical 0.14 acBigger

Bigger than 3% of homes nearby

Year built1941
OlderTypical 1973Newer

Newer than 18% of homes nearby

How 604 Union St ranks against every home in each area.
MeasureThis homeIsleton 95641Sacramento County
Estimated valuepricier than$257,9549% of homes2% of homes
Price per ft²pricier than$23518% of homes7% of homes
Living areabigger than1,100 ft²33% of homes14% of homes
Lot sizebigger than2,250 ft²3% of homes3% of homes
Year builtnewer than194118% of homes5% of homes

About 604 Union St

How much is 604 Union St, Isleton, CA worth?

The TopHap Estimate for 604 Union St, Isleton, CA is $257,954 as of Aug 30, 2026. The likely range is $248,920 to $266,988. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 604 Union St, Isleton, CA last sell?

604 Union St, Isleton, CA last sold on Aug 10, 2020 for $192,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 604 Union St, Isleton, CA?

604 Union St, Isleton, CA has 1 bedrooms, 1 bathrooms, 1,100 square feet of living space and a 0.05-acre lot.

When was 604 Union St, Isleton, CA built?

604 Union St, Isleton, CA was built in 1941, making it 85 years old. It is a custom design home. The building has 1 story.

What schools serve 604 Union St, Isleton, CA?

604 Union St, Isleton, CA is assigned to Isleton Elementary School (elementary), rated A; Riverview Middle School (middle), rated D; Rio Vista High School (high), rated C-. All sit in River Delta Joint Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 604 Union St, Isleton, CA compare to other homes in Isleton 95641?

Among the 575 homes in Isleton 95641, it is worth more than 9% of them ($257,954 against a typical $370,692), its price per square foot is higher than 18% of them ($235 against a typical $291), it is bigger than 33% of them (1,100 ft² against a typical 1,316 ft²), its lot is bigger than 3% of them (2,250 ft² against a typical 0.14 ac) and it is newer than 18% of them (1941 against a typical 1973). Measured against all of Sacramento County, it is worth more than 2% 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 604 Union St, Isleton, CA?

The 2025 property tax bill for 604 Union St, Isleton, CA was $2,853. The county assessed it at $275,706.

More homes on Union St

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