CA area data
Rio Oso, CA
Rio Oso, CA.
Population: 998 (Census ACS)
The median home value in Rio Oso, CA is $656,706 — up 9.8% over the past year. 1 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively Moderate, with drought, earthquake, heatwave the top-rated hazards. Cost of living is 13.3% above the US average (BEA, metro/state-level).
$656,706
Median home value
+9.8%
1-year change
Relatively Moderate
Hazard risk (county)
Home values & appreciation
- Median home value
- $656,706
- 1-year appreciation
- +9.8%
- 3-year appreciation
- +7.3%
- 5-year appreciation
- +4.4%
- 10-year appreciation
- +65.0%
- All-time peak (2022-06)
- $683,290
- House Price Index (state)
- 417.4 (-0.8% YoY)
Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)
Market activity
- 1-year forecast
- -1.1%
Source: recent area sales and market data (ZIP-level)
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
- 1
- Elementary schools
- 1
- Middle schools
- 0
- High schools
- 0
- Schools include
- Browns Elementary
Source: NCES school directory, 2022-23 (school-address-based)
Natural hazards & flood risk
- Overall hazard risk (county)
- Relatively Moderate
- Top hazards (county)
- drought, earthquake, heatWave
- Notable hazard ratings (county)
- drought: Very High · earthquake: Relatively Moderate · heatWave: Relatively Moderate · inlandFlooding: Relatively Low · lightning: Relatively Low · wildfire: Relatively Low
- Wildfire risk to homes (county)
- Higher than 79% of US counties
- Buildings in wildfire direct-exposure zone
- 25.6%
- Radon potential (county)
- Low radon potential — EPA Zone 3 of 3
- EPA Superfund (NPL) sites within 5 mi
- None
- Nearest Superfund site
- McClellan Air Force Base (Ground Water Contamination) (19.4 mi)
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)
- Annual precipitation
- 17.4 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)
- 49
- Days with Good air quality
- 192
- Days with Moderate air quality
- 168
- Highest AQI recorded (year)
- 105
Source: EPA air quality data (nearest monitoring station, annual)
Amenities
- Airports within 30 mi
- 42
- Nearest airport
- Moe's Crop Dusting Airport (1 mi)
- Nearest major airport
- Yuba County Airport (MYV) (12 mi)
- Hospitals nearby (~15 mi)
- 1,090
- Hospitals include
- MIZELL MEMORIAL HOSPITAL, CRENSHAW COMMUNITY HOSPITAL, CRENSHAW COMMUNITY HOSPITAL
- Avg hospital rating (CMS)
- 3.1 / 5
- Best hospital rating nearby (CMS)
- 5.0 / 5
- Solar radiation rating
- Good (5.0 kWh/m²/day)
Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)
Migration
- Net migration (county)
- -407 tax filers
Source: IRS county-to-county migration data (county-level, ~12-month lag)
Housing stock
- Median year housing built
- 1,979
- Housing built before 1970
- 35.0%
- Housing built 2000 or later
- 16.4%
- Median annual property tax
- $3,158
- Mean commute to work
- 21 min
- Households with broadband internet
- 23.3%
Source: Census ACS 5-year estimates (ZIP-level)
Employment & development
- Total county employment
- 28,056
- Average weekly wage
- $972
- Top industries (by employment)
- Health Care, Agriculture, Accommodation & Food
- Annual residential building permits (county)
- 117
Sources: BLS QCEW (county-level) · Census Building Permits (county-level)
How it compares
| Rio Oso | State median | US median | |
|---|---|---|---|
| Median home value | $656,706 | $702,573 | $289,727 |
| Median annual property tax | $3,158 | $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 Oso, CA?
- $656,706.
- What is the natural-hazard risk in Rio Oso, CA?
- Overall risk: Relatively Moderate (FEMA NRI, county-level). Top hazards: drought, earthquake, heatWave.
- What is the wildfire risk in Rio Oso, CA?
- Risk to homes is higher than 79% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
- What is the radon potential in Rio Oso, 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 Oso, CA?
- No current or proposed National Priorities List sites within 5 miles (EPA).
- How many schools serve Rio Oso, CA?
- 1 schools (1 elementary) (NCES, 2022-23).
- What is the air quality in Rio Oso, CA?
- Good. Median AQI: 49. (EPA AQI).
- What is the cost of living in Rio Oso, CA?
- Regional Price Parity: 113.3 (100 = US average) (High) (BEA RPP, metro/state-level).
ZIP code for Rio Oso
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Data last updated
Most recent source refresh: Sep 2026. See all data sources →