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Single Family ResidenceResidential
$1,302,468$817 / 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 Sep 24, 2026

18 MONTICELLO

IRVINE, CA 92620
2
Beds
2
Baths
1,595 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.3M
$1.2M low$1.4M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,842 (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.$355,323 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$173,195
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$182,128
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$348,356

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.0.11
HeatingThe type of heating system in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Spa/Hot Tub (Only)

Transaction History(4)

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
Northwood Elementary SchoolA
Elementary · Grades KG–6 · 0.7 mi
M
Sierra Vista Middle SchoolA+
Middle · Grades 7–8 · 1.0 mi
H
Northwood High SchoolA+
High · Grades 9–12 · 1.9 mi

District: Irvine Unified School District

Neighborhood · ZIP 92620These 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.83
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
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.59,543
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.10,436 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$134,293
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$165,456
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.14 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.75%

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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

18 Monticello 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 72% of homes in Irvine 92620
  • Costs more per square foot than 80% of homes in Orange County
  • Smaller than 73% of homes in Irvine 92620
  • Has a smaller lot than 79% of homes in Orange County
  • Older than 77% of homes in Irvine 92620

What homes are worth in Irvine 92620

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

This home
$573K$3.2M

This home is worth more than 28% of homes in Irvine 92620.

How it measures up in Irvine 92620

The dot is this home. The mark in the middle is the typical home in Irvine 92620.

Estimated value$1,302,468
CheaperTypical $1,614,239Pricier

Pricier than 28% of homes nearby

Price per ft²$817
CheaperTypical $801Pricier

Pricier than 57% of homes nearby

Living area1,595 ft²
SmallerTypical 2,052 ft²Bigger

Bigger than 27% of homes nearby

Lot size0.11 ac
SmallerTypical 0.11 acBigger

Bigger than 50% of homes nearby

Year built1979
OlderTypical 2004Newer

Newer than 23% of homes nearby

How 18 Monticello ranks against every home in each area.
MeasureThis homeNorthwoodIrvine 92620Orange County
Estimated valuepricier than$1,302,46834% of homes28% of homes61% of homes
Price per ft²pricier than$81771% of homes57% of homes80% of homes
Living areabigger than1,595 ft²36% of homes27% of homes42% of homes
Lot sizebigger than0.11 ac40% of homes50% of homes21% of homes
Year builtnewer than197955% of homes23% of homes59% of homes

About 18 Monticello

How much is 18 Monticello, Irvine, CA worth?

The TopHap Estimate for 18 Monticello, Irvine, CA is $1,302,468 as of Sep 24, 2026. The likely range is $1,233,307 to $1,371,629. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Monticello, Irvine, CA last sell?

18 Monticello, Irvine, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 18 Monticello, Irvine, CA?

18 Monticello, Irvine, CA has 2 bedrooms, 2 bathrooms, 1,595 square feet of living space and a 0.11-acre lot.

When was 18 Monticello, Irvine, CA built?

18 Monticello, Irvine, CA was built in 1979, making it 47 years old. The building has 1 story.

What schools serve 18 Monticello, Irvine, CA?

18 Monticello, Irvine, CA is assigned to Northwood Elementary School (elementary), rated A; Sierra Vista Middle School (middle), rated A+; Northwood High School (high), rated A+. All sit in Irvine Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Monticello, Irvine, CA compare to other homes in Irvine 92620?

Among the 17,359 homes in Irvine 92620, it is worth more than 28% of them ($1,302,468 against a typical $1,614,239), its price per square foot is higher than 57% of them ($817 against a typical $801), it is bigger than 27% of them (1,595 ft² against a typical 2,052 ft²), its lot is bigger than 50% of them (0.11 ac against a typical 0.11 ac) and it is newer than 23% of them (1979 against a typical 2004). Measured against all of Orange County, it is worth more than 61% 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 18 Monticello, Irvine, CA?

The 2025 property tax bill for 18 Monticello, Irvine, CA was $3,842. The county assessed it at $355,323.

More homes on Monticello

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Assigned schools

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