Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential
$655,462$390 / 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 98How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $258,000 on Aug 15, 2003

4309 WALNUT GROVE AVE

ROSEMEAD, CA 91770
3
Beds
3
Baths
1,682 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.
1.31 ac
Lot SizeThe size of the land the home sits on, from county records.
1981
Year BuiltThe year the home was originally built, according to county records.

Valuation

$655K
$641K low$670K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$258,000 · Aug 15, 2003
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$279,462
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$223,570
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.52%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$267,000
ZB NA · recorded Jun 26, 2025
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$109,000
CALIFORNIA BK&TR

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,871 (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.$366,801 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$177,715
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$189,086
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$359,610

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.35 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyLOS ANGELES
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.Yes

Transaction History(1)

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
Emma W. Shuey Elementary SchoolA-
Elementary · Grades KG–6 · 0.1 mi
M
Muscatel Middle SchoolA
Middle · Grades 7–8 · 0.4 mi
H
Rosemead High SchoolA-
High · Grades 9–12 · 0.6 mi

District: Rosemead Elementary School District

Neighborhood · ZIP 91770These 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.57
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.386

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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.57,788
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,576 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,486
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,265
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.16 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.73%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

4309 Walnut Grove Ave 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 86% of homes in Rosemead 91770
  • Costs less per square foot than 94% of homes in Rosemead 91770
  • Has a bigger lot than 97% of homes in Rosemead 91770
  • Newer than 83% of homes in Rosemead 91770

What homes are worth in Rosemead 91770

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

This home
$512K$1.4M

This home is worth more than 14% of homes in Rosemead 91770.

How it measures up in Rosemead 91770

The dot is this home. The mark in the middle is the typical home in Rosemead 91770.

Estimated value$655,462
CheaperTypical $841,495Pricier

Pricier than 14% of homes nearby

Price per ft²$390
CheaperTypical $589Pricier

Pricier than 6% of homes nearby

Living area1,682 ft²
SmallerTypical 1,512 ft²Bigger

Bigger than 59% of homes nearby

Lot size1.31 ac
SmallerTypical 0.16 acBigger

Bigger than 97% of homes nearby

Year built1981
OlderTypical 1953Newer

Newer than 83% of homes nearby

How 4309 Walnut Grove Ave ranks against every home in each area.
MeasureThis homeRosemead 91770Los Angeles County
Estimated valuepricier than$655,46214% of homes27% of homes
Price per ft²pricier than$3906% of homes12% of homes
Living areabigger than1,682 ft²59% of homes56% of homes
Lot sizebigger than1.31 ac97% of homes92% of homes
Year builtnewer than198183% of homes77% of homes

About 4309 Walnut Grove Ave

How much is 4309 Walnut Grove Ave, Rosemead, CA worth?

The TopHap Estimate for 4309 Walnut Grove Ave, Rosemead, CA is $655,462 as of Jul 14, 2026. The likely range is $641,033 to $669,891. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4309 Walnut Grove Ave, Rosemead, CA last sell?

4309 Walnut Grove Ave, Rosemead, CA last sold on Aug 15, 2003 for $258,000, according to the county's recorded deed.

How big is 4309 Walnut Grove Ave, Rosemead, CA?

4309 Walnut Grove Ave, Rosemead, CA has 3 bedrooms, 3 bathrooms and 1,682 square feet of living space.

When was 4309 Walnut Grove Ave, Rosemead, CA built?

4309 Walnut Grove Ave, Rosemead, CA was built in 1981, making it 45 years old. It is a condo/apartment home.

What schools serve 4309 Walnut Grove Ave, Rosemead, CA?

4309 Walnut Grove Ave, Rosemead, CA is assigned to Emma W. Shuey Elementary School (elementary), rated A-; Muscatel Middle School (middle), rated A; Rosemead High School (high), rated A-. All sit in Rosemead Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4309 Walnut Grove Ave, Rosemead, CA compare to other homes in Rosemead 91770?

Among the 11,989 homes in Rosemead 91770, it is worth more than 14% of them ($655,462 against a typical $841,495), its price per square foot is higher than 6% of them ($390 against a typical $589), it is bigger than 59% of them (1,682 ft² against a typical 1,512 ft²), its lot is bigger than 97% of them (1.31 ac against a typical 0.16 ac) and it is newer than 83% of them (1981 against a typical 1953). Measured against all of Los Angeles County, it is worth more than 27% 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 4309 Walnut Grove Ave, Rosemead, CA?

The 2025 property tax bill for 4309 Walnut Grove Ave, Rosemead, CA was $4,871. The county assessed it at $366,801.

Closest homes

More homes in Rosemead 91770

Assigned schools

Explore the area

See this home in context

Open 4309 Walnut Grove Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map