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Single Family ResidenceResidential
$1,248,022$467 / 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 89How 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 $1,199,000 on Dec 30, 2024

2121 CASTLEBAY

FALLBROOK, CA 92028
5
Beds
3
Baths
2,670 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.
0.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1999
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

$1.2M
$1.1M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,199,000 · Dec 30, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,821 (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.$1,222,857 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$627,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$595,557
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,198,880

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.65
85
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
86
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
39
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
26
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
89
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.97 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
CountySAN DIEGO
Lot (acres)The size of the land the home sits on, from county records.0.40
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.

Foreclosure Filings(3)

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

H
Fallbrook High SchoolB-
High · Grades 9–12 · 0.3 mi
M
James E. Potter Intermediate SchoolC+
Middle · Grades 7–8 · 1.7 mi
E
Live Oak Elementary SchoolA
Elementary · Grades KG–6 · 2.0 mi

District: Fallbrook Union High School District

Neighborhood · ZIP 92028These 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.80
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.268

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
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.51,851
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.444 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$96,667
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,930
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.16 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.68%

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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

2121 Castlebay 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 92% of homes in Fallbrook
  • Costs more per square foot than 73% of homes in Fallbrook 92028
  • Bigger than 87% of homes in San Diego County
  • Has a smaller lot than 69% of homes in Fallbrook 92028
  • Newer than 79% of homes in Fallbrook

What homes are worth in Fallbrook 92028

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

This home
$505K$1.9M

This home is worth more than 85% of homes in Fallbrook 92028.

How it measures up in Fallbrook 92028

The dot is this home. The mark in the middle is the typical home in Fallbrook 92028.

Estimated value$1,248,022
CheaperTypical $858,389Pricier

Pricier than 85% of homes nearby

Price per ft²$467
CheaperTypical $413Pricier

Pricier than 73% of homes nearby

Living area2,670 ft²
SmallerTypical 2,099 ft²Bigger

Bigger than 72% of homes nearby

Lot size0.4 ac
SmallerTypical 1.06 acBigger

Bigger than 31% of homes nearby

Year built1999
OlderTypical 1989Newer

Newer than 66% of homes nearby

How 2121 Castlebay ranks against every home in each area.
MeasureThis homeFallbrookFallbrook 92028San Diego County
Estimated valuepricier than$1,248,02292% of homes85% of homes74% of homes
Price per ft²pricier than$46765% of homes73% of homes27% of homes
Living areabigger than2,670 ft²77% of homes72% of homes87% of homes
Lot sizebigger than0.4 ac39% of homes31% of homes59% of homes
Year builtnewer than199979% of homes66% of homes73% of homes

About 2121 Castlebay

How much is 2121 Castlebay, Fallbrook, CA worth?

The TopHap Estimate for 2121 Castlebay, Fallbrook, CA is $1,248,022 as of Aug 30, 2026. The likely range is $1,105,219 to $1,390,825. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 2121 Castlebay, Fallbrook, CA last sell?

2121 Castlebay, Fallbrook, CA last sold on Dec 30, 2024 for $1,199,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 2121 Castlebay, Fallbrook, CA?

2121 Castlebay, Fallbrook, CA has 5 bedrooms, 3 bathrooms, 2,670 square feet of living space and a 0.40-acre lot.

When was 2121 Castlebay, Fallbrook, CA built?

2121 Castlebay, Fallbrook, CA was built in 1999, making it 27 years old.

What schools serve 2121 Castlebay, Fallbrook, CA?

2121 Castlebay, Fallbrook, CA is assigned to Fallbrook High School (high), rated B-; James E. Potter Intermediate School (middle), rated C+; Live Oak Elementary School (elementary), rated A. All sit in Fallbrook Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 2121 Castlebay, Fallbrook, CA compare to other homes in Fallbrook 92028?

Among the 16,272 homes in Fallbrook 92028, it is worth more than 85% of them ($1,248,022 against a typical $858,389), its price per square foot is higher than 73% of them ($467 against a typical $413), it is bigger than 72% of them (2,670 ft² against a typical 2,099 ft²), its lot is bigger than 31% of them (0.4 ac against a typical 1.06 ac) and it is newer than 66% of them (1999 against a typical 1989). Measured against all of San Diego County, it is worth more than 74% 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 2121 Castlebay, Fallbrook, CA?

The 2025 property tax bill for 2121 Castlebay, Fallbrook, CA was $12,821. The county assessed it at $1,222,857.

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