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CA area data

Rio dell, CA

Rio dell, CA.

Population: 3,422 (Census ACS)

The median home value in Rio dell, CA is $310,017 — down 0.4% over the past year. Homes sell for a median $330,000 after a median 42 days on market. 2 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively High, with coastalflooding, earthquake, inlandflooding the top-rated hazards. Cost of living is 13.3% above the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

$310,017

Median home value

-0.4%

1-year change

42

Median days on market

Relatively High

Hazard risk (county)

Home values & appreciation

Median home value
$310,017
1-year appreciation
-0.4%
3-year appreciation
-17.5%
5-year appreciation
-16.3%
10-year appreciation
+19.6%
All-time peak (2022-07)
$403,945
House Price Index (state)
417.4 (-0.8% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Market activity

Median sale price
$330,000
Median list price
$339,500
Median price per sqft
$267
1-year sale-price change
-9.6%
Median days on market
42 days
Homes sold (recent period)
7
For-sale inventory
20
Sale-to-list ratio
100.4%
Active listings
18
1-year forecast
-4.7%
New listings (monthly)
4

Source: recent area sales and market data (ZIP-level)

Rents

Studio fair-market rent
$1,495/mo
1BR fair-market rent
$1,869/mo
2BR fair-market rent
$2,330/mo
3BR fair-market rent
$3,029/mo
4BR fair-market rent
$3,495/mo

Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)

Affordability

Cost of living index (High)
113.3 (100 = US avg)
Electricity rate (state-level)
32.5¢/kWh
Natural gas rate (state-level)
$22.00/MCF
30-year mortgage rate (national)
6.66%
15-year mortgage rate (national)
6.00%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Schools

Total schools
2
Elementary schools
1
Middle schools
1
High schools
0
Schools include
Eagle Prairie Elementary, Monument Middle

Source: NCES school directory, 2022-23 (school-address-based)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively High
Top hazards (county)
coastalFlooding, earthquake, inlandFlooding, landslide, tsunami
Notable hazard ratings (county)
coastalFlooding: Relatively High · drought: Relatively Moderate · earthquake: Relatively High · heatWave: Relatively Low · inlandFlooding: Relatively High · landslide: Relatively High
FEMA flood zone
A30
Flood risk level
High
Wildfire risk to homes (county)
Higher than 84% of US counties
Buildings in wildfire direct-exposure zone
47.4%
Radon potential (county)
Low radon potential — EPA Zone 3 of 3
EPA Superfund (NPL) sites within 5 mi
None
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA flood data (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Average annual temperature
55.0°F
Average high
64.0°F
Average low
46.0°F
Annual precipitation
64.6 in
Annual snowfall
41.0 in
USDA plant hardiness zone
9b (extreme annual low 25 to 30°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Air quality

Air quality rating
Good
Median AQI (annual)
32
Days with Good air quality
284
Days with Moderate air quality
70
Days with Unhealthy air quality
1
Highest AQI recorded (year)
299

Source: EPA air quality data (nearest monitoring station, annual)

Walkability & transit

Walkability index
16.7 / 20
Transit service frequency
278
Jobs reachable by car (30 min)
2,167
Jobs reachable by transit (45 min)
2,717

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

Airports within 30 mi
8
Nearest airport
Rohnerville Airport (6 mi)
Nearest major airport
Murray Field (EKA) (23 mi)
Hospitals nearby (~15 mi)
1
Hospitals include
PROVIDENCE REDWOOD MEMORIAL HOSPITAL
Solar radiation rating
Fair (4.2 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)

Migration

Net migration (county)
-346 tax filers

Source: IRS county-to-county migration data (county-level, ~12-month lag)

Housing stock

Median year housing built
1,977
Housing built before 1970
45.9%
Housing built 2000 or later
23.1%
Median annual property tax
$1,679
Households with broadband internet
56.3%

Source: Census ACS 5-year estimates (ZIP-level)

Employment & development

Total county employment
36,011
Average weekly wage
$963
Top industries (by employment)
Health Care, Accommodation & Food, Construction
Annual residential building permits (county)
126

Sources: BLS QCEW (county-level) · Census Building Permits (county-level)

How it compares

Rio dellState medianUS median
Median home value$310,017$702,573$289,727
Median sale price$330,000$696,000$325,000
Median days on market42 days39 days51 days
Median annual property tax$1,679$4,533$2,006

State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.

Area data compiled from public government, academic, and industry research feeds. Data sources →

Common questions

What is the median home value in Rio dell, CA?
$310,017.
What is the median sale price in Rio dell, CA?
$330,000.
How long do homes take to sell in Rio dell, CA?
Median days on market: 42 days.
What is typical rent in Rio dell, CA?
2-bedroom fair-market rent: $2,330/month (HUD FMR — a 40th-percentile regulatory reference, not market-observed).
What is the natural-hazard risk in Rio dell, CA?
Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: coastalFlooding, earthquake, inlandFlooding, landslide, tsunami.
Is Rio dell, CA in a flood zone?
High (FEMA NFIP). FEMA flood zone A30.
What is the wildfire risk in Rio dell, CA?
Risk to homes is higher than 84% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in Rio dell, CA?
Low radon potential — EPA Zone 3 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near Rio dell, CA?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve Rio dell, CA?
2 schools (1 elementary, 1 middle) (NCES, 2022-23).
Is Rio dell, CA walkable?
Walkability index: 16.7/20 (EPA Smart Location Database).
What is the air quality in Rio dell, CA?
Good. Median AQI: 32. (EPA AQI).
What is the cost of living in Rio dell, CA?
Regional Price Parity: 113.3 (100 = US average) (High) (BEA RPP, metro/state-level).

ZIP code for Rio dell

Selling a home in Rio dell, CA?

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Data last updated

Most recent source refresh: Sep 2026. See all data sources →

Data compiled by REAIGENT7 — AI listing platform for real estate agents