Single Family ResidenceResidential
45 CASTLE ROCK AVE
WOODACRE, CA 94973
3
Beds
2
Baths
1,604 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.
0.31 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,698 (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.$249,387 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$76,826
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$172,561
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$249,387
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.40
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
73
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
25
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
62
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
34
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.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Contemporary
CountyMarin
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.1953
Lot (acres)The size of the land the home sits on, from county records.0.31
ConstructionThe main material the home's frame and walls are built from.Wood Frame
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(9)
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.
EH
Lagunitas Elementary SchoolA-
Elementary · Grades KG–8 · 2.4 mi
Archie Williams High SchoolA-
High · Grades 9–12 · 3.7 mi
District: Tamalpais Union High School District
Neighborhood · ZIP 94973These 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.121
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.415
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.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
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.1,300
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.504 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$175,315
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$190,505
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%
Owner Tools
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How this home compares
45 Castle Rock 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.
- Has a bigger lot than 77% of homes in Marin County
- Older than 77% of homes in Marin County
How it measures up in Woodacre 94973
The dot is this home. The mark in the middle is the typical home in Woodacre 94973.
Living area1,604 ft²
SmallerTypical 1,537 ft²Bigger
Bigger than 52% of homes nearby
Lot size0.31 ac
SmallerTypical 0.31 acBigger
Bigger than 50% of homes nearby
Year built1950
OlderTypical 1953Newer
Newer than 45% of homes nearby
| Measure | This home | Woodacre 94973 | Marin County |
|---|---|---|---|
| Living areabigger than | 1,604 ft² | 52% of homes | 38% of homes |
| Lot sizebigger than | 0.31 ac | 50% of homes | 77% of homes |
| Year builtnewer than | 1950 | 45% of homes | 23% of homes |
About 45 Castle Rock Ave
How big is 45 Castle Rock Ave, Woodacre, CA?
45 Castle Rock Ave, Woodacre, CA has 3 bedrooms, 2 bathrooms, 1,604 square feet of living space and a 0.31-acre lot.
When was 45 Castle Rock Ave, Woodacre, CA built?
45 Castle Rock Ave, Woodacre, CA was built in 1950, making it 76 years old. It is a contemporary home.
What schools serve 45 Castle Rock Ave, Woodacre, CA?
45 Castle Rock Ave, Woodacre, CA is assigned to Lagunitas Elementary School (elementary), rated A-; Archie Williams High School (high), rated A-. All sit in Tamalpais Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 45 Castle Rock Ave, Woodacre, CA compare to other homes in Woodacre 94973?
Among the 578 homes in Woodacre 94973, it is bigger than 52% of them (1,604 ft² against a typical 1,537 ft²), its lot is bigger than 50% of them (0.31 ac against a typical 0.31 ac) and it is newer than 45% of them (1950 against a typical 1953). These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 45 Castle Rock Ave, Woodacre, CA?
The 2025 property tax bill for 45 Castle Rock Ave, Woodacre, CA was $4,698. The county assessed it at $249,387.
More homes on Castle Rock Ave
- 19 Castle Rock Ave$1.5M2 bd · 2 ba · 1,731 ft² · Sold $1.5M · Apr 2025
- 70 Castle Rock Ave$1.2M3 bd · 2.5 ba · 1,630 ft² · Sold $910K · Oct 2019
- 17 Castle Rock Ave$1.3M2 bd · 2.5 ba · 1,967 ft² · Sold $957K · Jul 2019
- 64 Castle Rock Ave$958K2 bd · 2 ba · 1,212 ft² · Sold $709K · Jun 2017
- 49 Castle Rock Ave$1.7M4 bd · 3 ba · 2,258 ft² · Sold $1.1M · Sep 2015
- 67 Castle Rock Ave$1.2M3 bd · 3 ba · 1,466 ft² · Sold $765K · Jul 2002
- 65 Castle Rock Ave$700K1 bd · 1 ba · 826 ft² · Sold $349K · Jun 2002
- 21 Castle Rock Ave$843K3 bd · 1 ba · 1,056 ft² · Sold $370K · Jul 2001
- 60 Castle Rock Ave$1.4M4 bd · 3 ba · 2,388 ft² · Sold $495K · Dec 1999
- 9 Castle Rock Ave$1.5M3 bd · 2 ba · 2,015 ft² · Sold $395K · May 1998
- 41 Castle Rock Ave$1.2M3 bd · 2 ba · 1,841 ft² · Sold $358K · Jul 1995
- 56 Castle Rock Ave$1.4M3 bd · 2 ba · 2,212 ft² · Sold Jan 1900
Closest homes
- 41 Castle Rock Ave$1.2M125 ft · 3 bd · 2 ba · 1,841 ft² · Sold $358K · Jul 1995
- 3 Crescent Dr$1.1M145 ft · 3 bd · 2 ba · 1,804 ft² · Sold $550K · May 2009
- 40 Castle Rock Ave$948K180 ft · 2 bd · 2 ba · 1,503 ft² · Sold Jan 1900
- 5 Crescent Dr$1.3M213 ft · 3 bd · 2 ba · 1,799 ft² · Sold $810K · Jun 2004
- 291 Railroad Ave$1.8M216 ft · 3 bd · 2 ba · 2,646 ft² · Sold Jan 1900
- 216 ft · 0.2 ac · Sold Jan 1900
- 7 Crescent Dr$1.5M294 ft · 4 bd · 1 ba · 2,194 ft² · Sold Jan 1900
- 9 Fire Rd$1.1M316 ft · 3 bd · 2 ba · 1,605 ft² · Sold $575K · Apr 2011
More homes in Woodacre 94973
- 2 Fern Ave$817K2 bd · 1 ba · 1,247 ft² · Sold $429K · Oct 2026
- 35 Sylvan Way$1M3 bd · 2 ba · 1,658 ft² · Sold $1M · Sep 2026
- 17 Madrone Ave$2.4M5 bd · 3.5 ba · 4,912 ft² · Sold $2.5M · Jul 2026
- 81 Madrone Ave$1.1M2 bd · 2 ba · 1,849 ft² · Sold $1.1M · Jun 2026
- 187 Conifer Way$890K1 bd · 2 ba · 1,338 ft² · Sold $897K · May 2026
- 5 Madrone Ave$1.3M4 bd · 2 ba · 2,474 ft² · Sold $1.3M · Feb 2026
- 62 Park St$595K1 bd · 1 ba · 623 ft² · Sold $398K · Feb 2026
- 176 Railroad Ave$882K2 bd · 1 ba · 1,645 ft² · Sold $895K · Dec 2025
- 61 Park St0.19 ac · Sold $800K · Nov 2025
- 55 Park St$787K2 bd · 1 ba · 970 ft² · Sold $800K · Nov 2025
- 55 Park St$751K2,392 ft² · Sold $800K · Nov 2025
- 90 Hill Ave$1.1M2 bd · 2 ba · 1,834 ft² · Sold Oct 2025
Assigned schools
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