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CA area data

Knightsen, CA

Knightsen, CA.

Population: 832 (Census ACS)

The median home value (Census ACS) in Knightsen, CA is $959,900. 1 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Very High, with inland flooding, drought, earthquake the top-rated hazards. Cost of living is 10.7% above the US average (BEA, metro/state-level).

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

$959,900

Median home value (Census)

Very High

Hazard risk (county)

Home values & appreciation

Median home value (Census)
$959,900
House Price Index (state)
423.4 (-0.3% YoY)

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

Rents

Studio fair-market rent
$2,088/mo
1BR fair-market rent
$2,290/mo
2BR fair-market rent
$2,805/mo
3BR fair-market rent
$3,592/mo
4BR fair-market rent
$4,250/mo

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

Affordability

Cost of living index (High)
110.7 (100 = US avg)
Electricity rate (state-level)
32.5¢/kWh
Natural gas rate (state-level)
$22.00/MCF
30-year mortgage rate (national)
7.40%
15-year mortgage rate (national)
6.73%

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
Avg student-teacher ratio
23.1 : 1
Schools include
Knightsen Elementary

Source: NCES school directory, 2024-25 (school-address-based)

Natural hazards & flood risk

Overall hazard risk (county)
Very High
Top hazards (county)
inland flooding, drought, earthquake, heat wave, landslide
Notable hazard ratings (county)
inland flooding: Very High · drought: Relatively High · heat wave: Relatively High · landslide: Relatively High · lightning: Relatively High · earthquake: Relatively High
Wildfire risk to homes (county)
Higher than 92% of US counties
Buildings in wildfire direct-exposure zone
13.9%
Radon potential (county)
Moderate radon potential — EPA Zone 2 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
Concord Naval Weapons Station (19 mi)
EPA recommends radon testing for every home regardless of zone.

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

Climate (30-year normals)

Annual precipitation
19.4 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)
48
Days with Good air quality
193
Days with Moderate air quality
168
Highest AQI recorded (year)
94

Source: EPA annual air quality index (county-level)

Amenities

National parks within ~60 mi
10
Nearest national park
Port Chicago Naval Magazine National Memorial (21 mi)
National parks include
Port Chicago Naval Magazine National Memorial, Eugene O'Neill National Historic Site, John Muir National Historic Site
Airports within 30 mi
30
Nearest airport
Funny Farm Airport (2 mi)
Nearest major airport
Buchanan Field (CCR) (21 mi)
Hospitals in or near this ZIP
56
Hospitals include
ST ROSE HOSPITAL, PROVIDENCE QUEEN OF THE VALLEY MEDICAL CENTER, DEPT OF STATE HOSPITALS - NAPA
Avg hospital rating (CMS)
3.2 / 5
Best hospital rating nearby (CMS)
5.0 / 5
EV charging stations (within 10 mi)
105
Solar radiation rating
Good (5.1 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data (same ZIP, else within ~40 mi) · DOE/NREL (proximity-based)

Housing stock

Median year housing built
1968
Housing built before 1970
51.0%
Housing built 2000 or later
49.0%
Median annual property tax
$8,467
Households with broadband internet
52.9%

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

Employment & development

Total county employment
324,325
Average weekly wage
$1,660
Top industries (by employment)
Health Care, Accommodation & Food, Construction
Annual residential building permits (county)
1,163

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

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

Common questions

What is the median home value in Knightsen, CA?
$959,900 (Census ACS).
What is typical rent in Knightsen, CA?
2-bedroom fair-market rent: $2,805/month (HUD FMR — a 40th-percentile regulatory reference, not market-observed).
What is the natural-hazard risk in Knightsen, CA?
Overall risk: Very High (FEMA NRI, county-level). Top hazards: inland flooding, drought, earthquake, heat wave, landslide.
What is the wildfire risk in Knightsen, CA?
Risk to homes is higher than 92% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in Knightsen, CA?
Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near Knightsen, CA?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve Knightsen, CA?
1 schools (1 elementary) (NCES, 2024-25).
What is the air quality in Knightsen, CA?
Good. Median AQI: 48. (EPA AQI).
What is the cost of living in Knightsen, CA?
Regional Price Parity: 110.7 (100 = US average) (High) (BEA RPP, metro/state-level).

ZIP code for Knightsen

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Data last updated

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

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