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Single Family ResidenceResidential
$1,331,339$585 / 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
Last sold for $480,000 on Apr 8, 2011

5186 MERTENSIA ST

OCEANSIDE, CA 92056
3
Beds
2.5
Baths
2,276 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.
0.24 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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.3M
$1.3M 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.$480,000 · Apr 8, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,999 (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.$627,249 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$206,596
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$420,653
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$614,951

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.43
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
78
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
36
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
15
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.

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.0.24
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

M
Madison Middle SchoolC
Middle · Grades 6–8 · 0.5 mi
E
Lake Elementary SchoolB+
Elementary · Grades KG–5 · 0.5 mi
H
Rancho Buena Vista High SchoolB
High · Grades 9–12 · 0.8 mi

District: Vista Unified School District

Neighborhood · ZIP 92056These 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.79
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.218

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.4%
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.55,699
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,381 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,460
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,029
Average tempThe average temperature here across a full year.62°F
Annual precipHow much rain and melted snow falls here in a typical year.15 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

5186 Mertensia St 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 96% of homes in Oceanside 92056
  • Costs more per square foot than 72% of homes in Oceanside 92056
  • Bigger than 86% of homes in Oceanside 92056
  • Has a bigger lot than 75% of homes in Ocean Hills
  • Among the newest homes in Ocean Hills

What homes are worth in Oceanside 92056

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

This home
$441K$1.4M

This home is worth more than 96% of homes in Oceanside 92056.

How it measures up in Oceanside 92056

The dot is this home. The mark in the middle is the typical home in Oceanside 92056.

Estimated value$1,331,339
CheaperTypical $853,471Pricier

Pricier than 96% of homes nearby

Price per ft²$585
CheaperTypical $543Pricier

Pricier than 72% of homes nearby

Living area2,276 ft²
SmallerTypical 1,591 ft²Bigger

Bigger than 86% of homes nearby

Lot size0.24 ac
SmallerTypical 0.21 acBigger

Bigger than 57% of homes nearby

Year built1999
OlderTypical 1987Newer

Newer than 89% of homes nearby

How 5186 Mertensia St ranks against every home in each area.
MeasureThis homeOcean HillsOceanside 92056San Diego County
Estimated valuepricier than$1,331,33987% of homes96% of homes77% of homes
Price per ft²pricier than$58555% of homes72% of homes54% of homes
Living areabigger than2,276 ft²73% of homes86% of homes79% of homes
Lot sizebigger than0.24 ac75% of homes57% of homes48% of homes
Year builtnewer than1999almost all homes89% of homes74% of homes

About 5186 Mertensia St

How much is 5186 Mertensia St, Oceanside, CA worth?

The TopHap Estimate for 5186 Mertensia St, Oceanside, CA is $1,331,339 as of Sep 24, 2026. The likely range is $1,270,574 to $1,392,104. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 5186 Mertensia St, Oceanside, CA last sell?

5186 Mertensia St, Oceanside, CA last sold on Apr 8, 2011 for $480,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 5186 Mertensia St, Oceanside, CA?

5186 Mertensia St, Oceanside, CA has 3 bedrooms, 2.5 bathrooms, 2,276 square feet of living space and a 0.24-acre lot.

When was 5186 Mertensia St, Oceanside, CA built?

5186 Mertensia St, Oceanside, CA was built in 1999, making it 27 years old.

What schools serve 5186 Mertensia St, Oceanside, CA?

5186 Mertensia St, Oceanside, CA is assigned to Madison Middle School (middle), rated C; Lake Elementary School (elementary), rated B+; Rancho Buena Vista High School (high), rated B. All sit in Vista Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 5186 Mertensia St, Oceanside, CA compare to other homes in Oceanside 92056?

Among the 18,540 homes in Oceanside 92056, it is worth more than 96% of them ($1,331,339 against a typical $853,471), its price per square foot is higher than 72% of them ($585 against a typical $543), it is bigger than 86% of them (2,276 ft² against a typical 1,591 ft²), its lot is bigger than 57% of them (0.24 ac against a typical 0.21 ac) and it is newer than 89% of them (1999 against a typical 1987). Measured against all of San Diego County, it is worth more than 77% 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 5186 Mertensia St, Oceanside, CA?

The 2025 property tax bill for 5186 Mertensia St, Oceanside, CA was $6,999. The county assessed it at $627,249.

More homes on Mertensia St

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Assigned schools

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