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Single Family ResidenceResidential
$3,533,129$721 / 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 84How 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
Last sold for $3,475,000 on Apr 29, 2026

17848 RALPHS RANCH RD

SAN DIEGO, CA 92127
5
Beds
4.5
Baths
4,899 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.
2012
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

$3.5M
$3M low$4.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$3,475,000 · Apr 29, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$25,065 (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.$1,897,552 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$986,495
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$911,057
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,860,346

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.59
53
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
95
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
43
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
19
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
87
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.16 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.

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

E
Monterey Ridge Elementary SchoolA+
Elementary · Grades KG–5 · 0.8 mi
H
Del Norte High SchoolA+
High · Grades 9–12 · 1.8 mi
M
Oak Valley Middle SchoolA+
Middle · Grades 6–8 · 2.7 mi

District: Poway Unified School District

Neighborhood · ZIP 92127These 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.25
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 100.193

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.43%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.3%
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.51,347
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,217 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$166,703
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$199,145
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.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

17848 Ralphs Ranch Rd 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 98% of homes in San Diego County
  • Costs more per square foot than 82% of homes in San Diego 92127
  • Bigger than 98% of homes in San Diego County
  • Newer than 92% of homes in San Diego County

What homes are worth in San Diego 92127

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

This home
$431K$4.9M

This home is worth more than 94% of homes in San Diego 92127.

How it measures up in San Diego 92127

The dot is this home. The mark in the middle is the typical home in San Diego 92127.

Estimated value$3,533,129
CheaperTypical $1,459,303Pricier

Pricier than 94% of homes nearby

Price per ft²$721
CheaperTypical $616Pricier

Pricier than 82% of homes nearby

Living area4,899 ft²
SmallerTypical 2,373 ft²Bigger

Bigger than 94% of homes nearby

Lot size0.4 ac
SmallerTypical 0.27 acBigger

Bigger than 57% of homes nearby

Year built2012
OlderTypical 2003Newer

Newer than 83% of homes nearby

How 17848 Ralphs Ranch Rd ranks against every home in each area.
MeasureThis homeSan Diego 92127San Diego County
Estimated valuepricier than$3,533,12994% of homes98% of homes
Price per ft²pricier than$72182% of homes77% of homes
Living areabigger than4,899 ft²94% of homes98% of homes
Lot sizebigger than0.4 ac57% of homes59% of homes
Year builtnewer than201283% of homes92% of homes

About 17848 Ralphs Ranch Rd

How much is 17848 Ralphs Ranch Rd, San Diego, CA worth?

The TopHap Estimate for 17848 Ralphs Ranch Rd, San Diego, CA is $3,533,129 as of Sep 24, 2026. The likely range is $2,950,981 to $4,115,277. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17848 Ralphs Ranch Rd, San Diego, CA last sell?

17848 Ralphs Ranch Rd, San Diego, CA last sold on Apr 29, 2026 for $3,475,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 17848 Ralphs Ranch Rd, San Diego, CA?

17848 Ralphs Ranch Rd, San Diego, CA has 5 bedrooms, 4.5 bathrooms, 4,899 square feet of living space and a 0.40-acre lot.

When was 17848 Ralphs Ranch Rd, San Diego, CA built?

17848 Ralphs Ranch Rd, San Diego, CA was built in 2012, making it 14 years old.

What schools serve 17848 Ralphs Ranch Rd, San Diego, CA?

17848 Ralphs Ranch Rd, San Diego, CA is assigned to Monterey Ridge Elementary School (elementary), rated A+; Del Norte High School (high), rated A+; Oak Valley Middle School (middle), rated A+. All sit in Poway Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17848 Ralphs Ranch Rd, San Diego, CA compare to other homes in San Diego 92127?

Among the 14,812 homes in San Diego 92127, it is worth more than 94% of them ($3,533,129 against a typical $1,459,303), its price per square foot is higher than 82% of them ($721 against a typical $616), it is bigger than 94% of them (4,899 ft² against a typical 2,373 ft²), its lot is bigger than 57% of them (0.4 ac against a typical 0.27 ac) and it is newer than 83% of them (2012 against a typical 2003). Measured against all of San Diego County, it is worth more than 98% 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 17848 Ralphs Ranch Rd, San Diego, CA?

The 2025 property tax bill for 17848 Ralphs Ranch Rd, San Diego, CA was $25,065. The county assessed it at $1,897,552.

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