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Single Family ResidenceResidential
$1,791,570$824 / 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 $1,610,000 on Sep 22, 2020

284 RHEEM BLVD

MORAGA, CA 94556
4
Beds
2
Baths
2,174 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.
0.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
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

$1.8M
$1.7M low$1.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,610,000 · Sep 22, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$21,028 (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.$1,777,567 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,280,733
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$496,834
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,742,714

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.54
48
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
80
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
28
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
54
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
62
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.13 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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.Ranch
CountyCONTRA COSTA
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.1990
Lot (acres)The size of the land the home sits on, from county records.0.51
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

Transaction History(9)

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
Donald L. Rheem Elementary SchoolA-
Elementary · Grades KG–5 · 0.4 mi
H
Campolindo High SchoolA+
High · Grades 9–12 · 0.5 mi
M
Joaquin Moraga Intermediate SchoolA
Middle · Grades 6–8 · 2.6 mi

District: Acalanes Union High School District

Neighborhood · ZIP 94556These 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.32
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.459

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.40%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.5%
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.15,389
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.830 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$192,685
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$241,667
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.27 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

284 Rheem Blvd 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 more than 91% of homes in Ascot
  • Costs more per square foot than 93% of homes in Contra Costa County
  • Bigger than 81% of homes in Ascot
  • Has a bigger lot than 93% of homes in Contra Costa County
  • Older than 98% of homes in Moraga 94556

What homes are worth in Moraga 94556

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

This home
$464K$2.9M

This home is worth more than 63% of homes in Moraga 94556.

How it measures up in Moraga 94556

The dot is this home. The mark in the middle is the typical home in Moraga 94556.

Estimated value$1,791,570
CheaperTypical $1,660,966Pricier

Pricier than 63% of homes nearby

Price per ft²$824
CheaperTypical $740Pricier

Pricier than 81% of homes nearby

Living area2,174 ft²
SmallerTypical 2,161 ft²Bigger

Bigger than 50% of homes nearby

Lot size0.51 ac
SmallerTypical 0.27 acBigger

Bigger than 83% of homes nearby

Year built1955
OlderTypical 1970Newer

Newer than 2% of homes nearby

How 284 Rheem Blvd ranks against every home in each area.
MeasureThis homeAscotMoraga 94556Contra Costa County
Estimated valuepricier than$1,791,57091% of homes63% of homes88% of homes
Price per ft²pricier than$82492% of homes81% of homes93% of homes
Living areabigger than2,174 ft²81% of homes50% of homes68% of homes
Lot sizebigger than0.51 ac80% of homes83% of homes93% of homes
Year builtnewer than19555% of homes2% of homes21% of homes

About 284 Rheem Blvd

How much is 284 Rheem Blvd, Moraga, CA worth?

The TopHap Estimate for 284 Rheem Blvd, Moraga, CA is $1,791,570 as of Aug 30, 2026. The likely range is $1,703,248 to $1,879,892. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 284 Rheem Blvd, Moraga, CA last sell?

284 Rheem Blvd, Moraga, CA last sold on Sep 22, 2020 for $1,610,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 284 Rheem Blvd, Moraga, CA?

284 Rheem Blvd, Moraga, CA has 4 bedrooms, 2 bathrooms, 2,174 square feet of living space and a 0.51-acre lot.

When was 284 Rheem Blvd, Moraga, CA built?

284 Rheem Blvd, Moraga, CA was built in 1955, making it 71 years old. It is a ranch home. The building has 1 story.

What schools serve 284 Rheem Blvd, Moraga, CA?

284 Rheem Blvd, Moraga, CA is assigned to Donald L. Rheem Elementary School (elementary), rated A-; Campolindo High School (high), rated A+; Joaquin Moraga Intermediate School (middle), rated A. All sit in Acalanes Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 284 Rheem Blvd, Moraga, CA compare to other homes in Moraga 94556?

Among the 5,584 homes in Moraga 94556, it is worth more than 63% of them ($1,791,570 against a typical $1,660,966), its price per square foot is higher than 81% of them ($824 against a typical $740), it is bigger than 50% of them (2,174 ft² against a typical 2,161 ft²), its lot is bigger than 83% of them (0.51 ac against a typical 0.27 ac) and it is newer than 2% of them (1955 against a typical 1970). Measured against all of Contra Costa County, it is worth more than 88% 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 284 Rheem Blvd, Moraga, CA?

The 2025 property tax bill for 284 Rheem Blvd, Moraga, CA was $21,028. The county assessed it at $1,777,567.

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