Industrial (General)Industrial
Last sold for $10,332,000 on May 21, 2026
19651 ALTER
FOOTHILL RANCH, CA 92610
0
Baths
3.28 ac
Lot SizeThe size of the land the home sits on, from county records.
Valuation
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$10,332,000 · May 21, 2026
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$114,511 (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.$10,562,429 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,781,991
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,780,438
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$10,936,460
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.57
54
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.
35
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
20
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
100
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.17 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.Industrial (General)
CountyORANGE
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.Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
EHM
Foothill Ranch Elementary SchoolA+
Elementary · Grades KG–6 · 0.5 mi
El Toro High SchoolA-
High · Grades 9–12 · 3.2 mi
Serrano Intermediate SchoolB-
Middle · Grades 7–8 · 3.8 mi
District: Saddleback Valley Unified School District
Neighborhood · ZIP 92610These 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.34
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.252
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.42%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.6%
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.10,641
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,118 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$169,430
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$186,713
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 homeData 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
19651 Alter 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.
- Among the largest lots in Foothill Ranch 92610
How it measures up in Foothill Ranch 92610
The dot is this home. The mark in the middle is the typical home in Foothill Ranch 92610.
Lot size3.28 ac
SmallerTypical 0.1 acBigger
Bigger than almost all homes nearby
| Measure | This home | Foothill Ranch 92610 | Orange County |
|---|---|---|---|
| Lot sizebigger than | 3.28 ac | almost all homes | almost all homes |
About 19651 Alter
When did 19651 Alter, Foothill Ranch, CA last sell?
19651 Alter, Foothill Ranch, CA last sold on May 21, 2026 for $10,332,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.
What schools serve 19651 Alter, Foothill Ranch, CA?
19651 Alter, Foothill Ranch, CA is assigned to Foothill Ranch Elementary School (elementary), rated A+; El Toro High School (high), rated A-; Serrano 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.
What are the property taxes on 19651 Alter, Foothill Ranch, CA?
The 2025 property tax bill for 19651 Alter, Foothill Ranch, CA was $114,511. The county assessed it at $10,562,429.
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Assigned schools
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