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Single Family ResidenceResidential
$1,369,198$450 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $1,350,000 on May 20, 2026

3506 PORTSMOUTH WAY

ROWLAND HEIGHTS, CA 91748
4
Beds
3
Baths
3,045 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1997
Year BuiltThe year the home was originally built, according to county records.

Valuation

$1.4M
$1.3M low$1.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,350,000 · May 20, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,223 (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.$525,229 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$163,672
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$361,557
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$514,931

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyLOS ANGELES
Lot (acres)The size of the land the home sits on, from county records.0.23
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Rowland Elementary SchoolD-
Elementary · Grades KG–6 · 1.7 mi
M
Alvarado Intermediate SchoolB
Middle · Grades 7–8 · 1.8 mi
H
John A. Rowland High SchoolA-
High · Grades 9–12 · 2.0 mi

District: Rowland Unified School District

Neighborhood · ZIP 91748These 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.60
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.400

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.41,340
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,384 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,796
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,738
Average tempThe average temperature here across a full year.64°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.73%

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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

3506 Portsmouth Way 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 84% of homes in Rowland Heights 91748
  • Costs less per square foot than 86% of homes in Rowland Heights 91748
  • Bigger than 88% of homes in Los Angeles County
  • Has a bigger lot than 73% of homes in Rowland Heights 91748
  • Newer than 95% of homes in Rowland Heights 91748

What homes are worth in Rowland Heights 91748

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

This home
$427K$1.9M

This home is worth more than 84% of homes in Rowland Heights 91748.

How it measures up in Rowland Heights 91748

The dot is this home. The mark in the middle is the typical home in Rowland Heights 91748.

Estimated value$1,369,198
CheaperTypical $919,437Pricier

Pricier than 84% of homes nearby

Price per ft²$450
CheaperTypical $522Pricier

Pricier than 14% of homes nearby

Living area3,045 ft²
SmallerTypical 1,734 ft²Bigger

Bigger than 86% of homes nearby

Lot size0.23 ac
SmallerTypical 0.17 acBigger

Bigger than 73% of homes nearby

Year built1997
OlderTypical 1973Newer

Newer than 95% of homes nearby

How 3506 Portsmouth Way ranks against every home in each area.
MeasureThis homeRowland Heights 91748Los Angeles County
Estimated valuepricier than$1,369,19884% of homes80% of homes
Price per ft²pricier than$45014% of homes20% of homes
Living areabigger than3,045 ft²86% of homes88% of homes
Lot sizebigger than0.23 ac73% of homes70% of homes
Year builtnewer than199795% of homes90% of homes

About 3506 Portsmouth Way

How much is 3506 Portsmouth Way, Rowland Heights, CA worth?

The TopHap Estimate for 3506 Portsmouth Way, Rowland Heights, CA is $1,369,198 as of Oct 21, 2026. The likely range is $1,270,770 to $1,467,626. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3506 Portsmouth Way, Rowland Heights, CA last sell?

3506 Portsmouth Way, Rowland Heights, CA last sold on May 20, 2026 for $1,350,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3506 Portsmouth Way, Rowland Heights, CA?

3506 Portsmouth Way, Rowland Heights, CA has 4 bedrooms, 3 bathrooms, 3,045 square feet of living space and a 0.23-acre lot.

When was 3506 Portsmouth Way, Rowland Heights, CA built?

3506 Portsmouth Way, Rowland Heights, CA was built in 1997, making it 29 years old.

What schools serve 3506 Portsmouth Way, Rowland Heights, CA?

3506 Portsmouth Way, Rowland Heights, CA is assigned to Rowland Elementary School (elementary), rated D-; Alvarado Intermediate School (middle), rated B; John A. Rowland High School (high), rated A-. All sit in Rowland Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3506 Portsmouth Way, Rowland Heights, CA compare to other homes in Rowland Heights 91748?

Among the 10,811 homes in Rowland Heights 91748, it is worth more than 84% of them ($1,369,198 against a typical $919,437), its price per square foot is higher than 14% of them ($450 against a typical $522), it is bigger than 86% of them (3,045 ft² against a typical 1,734 ft²), its lot is bigger than 73% of them (0.23 ac against a typical 0.17 ac) and it is newer than 95% of them (1997 against a typical 1973). Measured against all of Los Angeles County, it is worth more than 80% 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 3506 Portsmouth Way, Rowland Heights, CA?

The 2025 property tax bill for 3506 Portsmouth Way, Rowland Heights, CA was $7,223. The county assessed it at $525,229.

More homes on Portsmouth Way

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