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Duplex (2 Units, Any Combination)Residential
$652,929$370 / 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 96How 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 $506,000 on May 1, 2017

17623 HAVEN ST

ASHLAND, CA 94541
3
Beds
2.5
Baths
1,763 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1942
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$653K
$628K low$678K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$506,000 · May 1, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,254 (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.$662,659 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$179,696
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$482,963
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$649,667
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$609,750

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountyALAMEDA
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1944
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(6)

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
Colonial Acres Elementary SchoolD
Elementary · Grades KG–5 · 0.5 mi
H
San Lorenzo High SchoolC-
High · Grades 9–12 · 0.7 mi
M
Edendale Middle SchoolF
Middle · Grades 6–8 · 0.8 mi

District: San Lorenzo Unified School District

Neighborhood · ZIP 94541These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.599

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
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.1.4%
PopulationHow many people live in this area.66,887
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,967 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,806
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$119,563
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.21 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

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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

17623 Haven 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 less than 81% of homes in Alameda County
  • Costs less per square foot than 97% of homes in Alameda County
  • Bigger than 81% of homes in Ashland
  • Older than 80% of homes in Hayward 94541

What homes are worth in Hayward 94541

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

This home
$453K$1.4M

This home is worth more than 32% of homes in Hayward 94541.

How it measures up in Hayward 94541

The dot is this home. The mark in the middle is the typical home in Hayward 94541.

Estimated value$652,929
CheaperTypical $736,762Pricier

Pricier than 32% of homes nearby

Price per ft²$370
CheaperTypical $525Pricier

Pricier than 4% of homes nearby

Living area1,763 ft²
SmallerTypical 1,452 ft²Bigger

Bigger than 70% of homes nearby

Lot size0.14 ac
SmallerTypical 0.15 acBigger

Bigger than 44% of homes nearby

Year built1942
OlderTypical 1954Newer

Newer than 20% of homes nearby

How 17623 Haven St ranks against every home in each area.
MeasureThis homeAshlandHayward 94541Alameda County
Estimated valuepricier than$652,92962% of homes32% of homes19% of homes
Price per ft²pricier than$3705% of homes4% of homes3% of homes
Living areabigger than1,763 ft²81% of homes70% of homes61% of homes
Lot sizebigger than0.14 ac60% of homes44% of homes51% of homes
Year builtnewer than194221% of homes20% of homes25% of homes

About 17623 Haven St

How much is 17623 Haven St, Ashland, CA worth?

The TopHap Estimate for 17623 Haven St, Ashland, CA is $652,929 as of Jul 14, 2026. The likely range is $627,511 to $678,347. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17623 Haven St, Ashland, CA last sell?

17623 Haven St, Ashland, CA last sold on May 1, 2017 for $506,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 17623 Haven St, Ashland, CA?

17623 Haven St, Ashland, CA has 3 bedrooms, 2.5 bathrooms, 1,763 square feet of living space and a 0.14-acre lot.

When was 17623 Haven St, Ashland, CA built?

17623 Haven St, Ashland, CA was built in 1942, making it 84 years old. The building has 1 story.

What schools serve 17623 Haven St, Ashland, CA?

17623 Haven St, Ashland, CA is assigned to Colonial Acres Elementary School (elementary), rated D; San Lorenzo High School (high), rated C-; Edendale Middle School (middle), rated F. All sit in San Lorenzo Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17623 Haven St, Ashland, CA compare to other homes in Hayward 94541?

Among the 14,365 homes in Hayward 94541, it is worth more than 32% of them ($652,929 against a typical $736,762), its price per square foot is higher than 4% of them ($370 against a typical $525), it is bigger than 70% of them (1,763 ft² against a typical 1,452 ft²), its lot is bigger than 44% of them (0.14 ac against a typical 0.15 ac) and it is newer than 20% of them (1942 against a typical 1954). Measured against all of Alameda County, it is worth more than 19% 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 17623 Haven St, Ashland, CA?

The 2025 property tax bill for 17623 Haven St, Ashland, CA was $9,254. The county assessed it at $662,659.

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