Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,155,858$529 / 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 92How 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 $875,000 on May 14, 2019

21 BUENAVENTURA

RCHO STA MARG, CA 92688
3
Beds
2.5
Baths
2,184 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
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$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$875,000 · May 14, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,101 (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.$1,052,962 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$724,118
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$328,844
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$976,076

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyORANGE
Lot (acres)The size of the land the home sits on, from county records.0.16
PoolWhether the property has a pool, and what kind, such as in-ground.Pool W/Hot Tub/Spa

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.

E
Melinda Heights Elementary SchoolA-
Elementary · Grades KG–6 · 0.9 mi
H
Trabuco Hills High SchoolA+
High · Grades 9–12 · 1.8 mi
M
Rancho Santa Margarita Intermediate SchoolB+
Middle · Grades 7–8 · 1.9 mi

District: Saddleback Valley Unified School District

Neighborhood · ZIP 92688These 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.54
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.250

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.7%
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.42,614
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,998 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$142,746
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$162,432
Average tempThe average temperature here across a full year.63°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.75%

Owner Tools

Do you own this home?
Claim this home

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

21 Buenaventura 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 68% of homes in Rancho Santa Margarita 92688
  • Costs less per square foot than 83% of homes in Rancho Santa Margarita 92688
  • Bigger than 78% of homes in Rancho Santa Margarita 92688
  • Has a bigger lot than 93% of homes in Rancho Santa Margarita 92688
  • Older than 81% of homes in Rancho Trabuco

What homes are worth in Rancho Santa Margarita 92688

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

This home
$400K$1.7M

This home is worth more than 68% of homes in Rancho Santa Margarita 92688.

How it measures up in Rancho Santa Margarita 92688

The dot is this home. The mark in the middle is the typical home in Rancho Santa Margarita 92688.

Estimated value$1,155,858
CheaperTypical $1,000,503Pricier

Pricier than 68% of homes nearby

Price per ft²$529
CheaperTypical $607Pricier

Pricier than 17% of homes nearby

Living area2,184 ft²
SmallerTypical 1,551 ft²Bigger

Bigger than 78% of homes nearby

Lot size0.16 ac
SmallerTypical 4,269 ft²Bigger

Bigger than 93% of homes nearby

Year built1991
OlderTypical 1991Newer

Newer than 50% of homes nearby

How 21 Buenaventura ranks against every home in each area.
MeasureThis homeRancho TrabucoRancho Santa Margarita 92688Orange County
Estimated valuepricier than$1,155,85847% of homes68% of homes55% of homes
Price per ft²pricier than$52929% of homes17% of homes22% of homes
Living areabigger than2,184 ft²65% of homes78% of homes70% of homes
Lot sizebigger than0.16 ac91% of homes93% of homes60% of homes
Year builtnewer than199119% of homes50% of homes76% of homes

About 21 Buenaventura

How much is 21 Buenaventura, Rcho Sta Marg, CA worth?

The TopHap Estimate for 21 Buenaventura, Rcho Sta Marg, CA is $1,155,858 as of Aug 30, 2026. The likely range is $1,062,800 to $1,248,916. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Buenaventura, Rcho Sta Marg, CA last sell?

21 Buenaventura, Rcho Sta Marg, CA last sold on May 14, 2019 for $875,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 21 Buenaventura, Rcho Sta Marg, CA?

21 Buenaventura, Rcho Sta Marg, CA has 3 bedrooms, 2.5 bathrooms, 2,184 square feet of living space and a 0.16-acre lot.

When was 21 Buenaventura, Rcho Sta Marg, CA built?

21 Buenaventura, Rcho Sta Marg, CA was built in 1991, making it 35 years old.

What schools serve 21 Buenaventura, Rcho Sta Marg, CA?

21 Buenaventura, Rcho Sta Marg, CA is assigned to Melinda Heights Elementary School (elementary), rated A-; Trabuco Hills High School (high), rated A+; Rancho Santa Margarita Intermediate School (middle), rated B+. All sit in Saddleback Valley Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Buenaventura, Rcho Sta Marg, CA compare to other homes in Rancho Santa Margarita 92688?

Among the 13,068 homes in Rancho Santa Margarita 92688, it is worth more than 68% of them ($1,155,858 against a typical $1,000,503), its price per square foot is higher than 17% of them ($529 against a typical $607), it is bigger than 78% of them (2,184 ft² against a typical 1,551 ft²), its lot is bigger than 93% of them (0.16 ac against a typical 4,269 ft²) and it is newer than 50% of them (1991 against a typical 1991). Measured against all of Orange County, it is worth more than 55% 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 21 Buenaventura, Rcho Sta Marg, CA?

The 2025 property tax bill for 21 Buenaventura, Rcho Sta Marg, CA was $10,101. The county assessed it at $1,052,962.

Closest homes

More homes in Rcho Sta Marg 92688

Assigned schools

Explore the area

See this home in context

Open 21 Buenaventura on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map