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Planned Unit Development (Pud)Residential
$459,347$379 / 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 Jul 14, 2026

4379 HWY 12

SANTA ROSA, CA
3
Beds
2
Baths
1,211 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.
1,570 ft²
Lot SizeThe size of the land the home sits on, from county records.
1994
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$459K
$435K low$484K high
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.$335,347
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$268,278
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.26%
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.$124,000
HOME SAVINGS OF AMERICA · recorded Apr 2, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,015 (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.$247,472 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$71,841
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$175,631
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$247,472

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.34
90
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
57
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
27
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.50 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.Planned Unit Development (Pud)
CountySonoma
Lot (acres)The size of the land the home sits on, from county records.0.04
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Central
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(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
Whited Elementary Charter SchoolB-
Elementary · Grades KG–6 · 0.9 mi
M
Spring Lake Middle SchoolB-
Middle · Grades 7–8 · 1.5 mi
H
Maria Carrillo High SchoolA+
High · Grades 9–12 · 1.7 mi

District: Santa Rosa High School District

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

4379 Hwy 12 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 92% of homes in Sonoma County
  • Costs less per square foot than 88% of homes in Sonoma County
  • Smaller than 75% of homes in Sonoma County
  • Has a smaller lot than 93% of homes in Sonoma County
  • Newer than 79% of homes in Sonoma County

How it measures up in Sonoma County

The dot is this home. The mark in the middle is the typical home in Sonoma County.

Estimated value$459,347
CheaperTypical $766,658Pricier

Pricier than 8% of homes nearby

Price per ft²$379
CheaperTypical $487Pricier

Pricier than 12% of homes nearby

Living area1,211 ft²
SmallerTypical 1,560 ft²Bigger

Bigger than 25% of homes nearby

Lot size1,570 ft²
SmallerTypical 0.17 acBigger

Bigger than 7% of homes nearby

Year built1994
OlderTypical 1978Newer

Newer than 79% of homes nearby

How 4379 Hwy 12 ranks against every home in each area.
MeasureThis homeSonoma County
Estimated valuepricier than$459,3478% of homes
Price per ft²pricier than$37912% of homes
Living areabigger than1,211 ft²25% of homes
Lot sizebigger than1,570 ft²7% of homes
Year builtnewer than199479% of homes

About 4379 Hwy 12

How much is 4379 Hwy 12, Santa Rosa, CA worth?

The TopHap Estimate for 4379 Hwy 12, Santa Rosa, CA is $459,347 as of Jul 14, 2026. The likely range is $434,835 to $483,859. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4379 Hwy 12, Santa Rosa, CA last sell?

4379 Hwy 12, Santa Rosa, CA last sold on Apr 6, 2006, according to the county's recorded deed.

How big is 4379 Hwy 12, Santa Rosa, CA?

4379 Hwy 12, Santa Rosa, CA has 3 bedrooms, 2 bathrooms, 1,211 square feet of living space and a 0.04-acre lot.

When was 4379 Hwy 12, Santa Rosa, CA built?

4379 Hwy 12, Santa Rosa, CA was built in 1994, making it 32 years old. The building has 2 stories.

What schools serve 4379 Hwy 12, Santa Rosa, CA?

4379 Hwy 12, Santa Rosa, CA is assigned to Whited Elementary Charter School (elementary), rated B-; Spring Lake Middle School (middle), rated B-; Maria Carrillo High School (high), rated A+. All sit in Santa Rosa High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4379 Hwy 12, Santa Rosa, CA compare to other homes in Sonoma County?

Among the 154,970 homes in Sonoma County, it is worth more than 8% of them ($459,347 against a typical $766,658), its price per square foot is higher than 12% of them ($379 against a typical $487), it is bigger than 25% of them (1,211 ft² against a typical 1,560 ft²), its lot is bigger than 7% of them (1,570 ft² against a typical 0.17 ac) and it is newer than 79% of them (1994 against a typical 1978). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 4379 Hwy 12, Santa Rosa, CA?

The 2025 property tax bill for 4379 Hwy 12, Santa Rosa, CA was $3,015. The county assessed it at $247,472.

Closest homes

Assigned schools

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