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Single Family ResidenceResidential
$977,460$441 / 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 $550,000 on Jul 15, 2016

153 HELENA ST

LOS ALAMOS, CA 93440
6
Beds
3.8
Baths
2,216 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.
1880
Year BuiltThe year the home was originally built, according to county records.

Valuation

$977K
$928K low$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.$550,000 · Jul 15, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,016 (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.$651,083 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$355,136
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$295,947
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$638,318

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.48
74
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
62
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
20
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
32
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
56
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.52 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.1 percent flood zone

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
CountySANTA BARBARA
Lot (acres)The size of the land the home sits on, from county records.0.24
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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
Olga Reed School K-8C+
Elementary · Grades KG–8 · 0.4 mi
H
Ernest Righetti High SchoolB-
High · Grades 9–12 · 12.6 mi

District: Santa Maria Joint Union High School District

Neighborhood · ZIP 93440These 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.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.403

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.830
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.53 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,124
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,493
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.18 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

153 Helena 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 73% of homes in Los Alamos 93440
  • Costs less per square foot than 79% of homes in Los Alamos 93440
  • Bigger than 81% of homes in Los Alamos 93440
  • Has a bigger lot than 74% of homes in Santa Barbara County
  • Among the oldest homes in Santa Barbara County

What homes are worth in Los Alamos 93440

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

This home
$456K$1.6M

This home is worth more than 73% of homes in Los Alamos 93440.

How it measures up in Los Alamos 93440

The dot is this home. The mark in the middle is the typical home in Los Alamos 93440.

Estimated value$977,460
CheaperTypical $864,234Pricier

Pricier than 73% of homes nearby

Price per ft²$441
CheaperTypical $515Pricier

Pricier than 21% of homes nearby

Living area2,216 ft²
SmallerTypical 1,652 ft²Bigger

Bigger than 81% of homes nearby

Lot size0.24 ac
SmallerTypical 0.2 acBigger

Bigger than 71% of homes nearby

Year built1880
OlderTypical 1994Newer

Older than almost all homes nearby

How 153 Helena St ranks against every home in each area.
MeasureThis homeLos Alamos 93440Santa Barbara County
Estimated valuepricier than$977,46073% of homes52% of homes
Price per ft²pricier than$44121% of homes35% of homes
Living areabigger than2,216 ft²81% of homes79% of homes
Lot sizebigger than0.24 ac71% of homes74% of homes
Year builtnewer than1880almost no homesalmost no homes

About 153 Helena St

How much is 153 Helena St, Los Alamos, CA worth?

The TopHap Estimate for 153 Helena St, Los Alamos, CA is $977,460 as of Sep 24, 2026. The likely range is $927,824 to $1,027,096. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 153 Helena St, Los Alamos, CA last sell?

153 Helena St, Los Alamos, CA last sold on Jul 15, 2016 for $550,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 153 Helena St, Los Alamos, CA?

153 Helena St, Los Alamos, CA has 6 bedrooms, 3.8 bathrooms, 2,216 square feet of living space and a 0.24-acre lot.

When was 153 Helena St, Los Alamos, CA built?

153 Helena St, Los Alamos, CA was built in 1880, making it 146 years old.

What schools serve 153 Helena St, Los Alamos, CA?

153 Helena St, Los Alamos, CA is assigned to Olga Reed School K-8 (elementary), rated C+; Ernest Righetti High School (high), rated B-. All sit in Santa Maria Joint Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 153 Helena St, Los Alamos, CA compare to other homes in Los Alamos 93440?

Among the 614 homes in Los Alamos 93440, it is worth more than 73% of them ($977,460 against a typical $864,234), its price per square foot is higher than 21% of them ($441 against a typical $515), it is bigger than 81% of them (2,216 ft² against a typical 1,652 ft²), its lot is bigger than 71% of them (0.24 ac against a typical 0.2 ac) and it is newer than almost none of them (1880 against a typical 1994). Measured against all of Santa Barbara County, it is worth more than 52% 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 153 Helena St, Los Alamos, CA?

The 2025 property tax bill for 153 Helena St, Los Alamos, CA was $7,016. The county assessed it at $651,083.

More homes on Helena St

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