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CA area data

Mount Hermon, CA

Mount Hermon, CA.

Population: 623 (Census ACS)

The median home value in Mount Hermon, CA is $818,265 — up 3.3% over the past year. Homes sell for a median $1.02M after a median 36 days on market. FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively High, with drought, 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

$818,265

Median home value

+3.3%

1-year change

36

Median days on market

Relatively High

Hazard risk (county)

Home values & appreciation

Median home value
$818,265
1-year appreciation
+3.3%
3-year appreciation
-2.3%
5-year appreciation
+4.9%
10-year appreciation
+43.1%
All-time peak (2022-06)
$887,504
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
$1.02M
Median list price
$1.20M
Median price per sqft
$449
1-year sale-price change
+17.1%
Median days on market
36 days
Homes sold (recent period)
1
Sale-to-list ratio
85.4%
1-year forecast
+0.3%

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)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively High
Top hazards (county)
drought, earthquake, inlandFlooding, landslide, heatWave
Notable hazard ratings (county)
coastalFlooding: Relatively Low · drought: Relatively High · earthquake: Relatively High · heatWave: Relatively Moderate · inlandFlooding: Relatively High · landslide: Relatively High
Wildfire risk to homes (county)
Higher than 79% of US counties
Buildings in wildfire direct-exposure zone
36.7%
Radon potential (county)
Moderate radon potential — EPA Zone 2 of 3
EPA Superfund (NPL) sites within 5 mi
1
Nearest Superfund site
Watkins-Johnson Co. (Stewart Division Plant) (1.6 mi)
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
61.0°F
Average high
78.0°F
Average low
44.0°F
Annual precipitation
45.1 in
USDA plant hardiness zone
9a (extreme annual low 20 to 25°F)

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

Air quality

Air quality rating
Good
Median AQI (annual)
36
Days with Good air quality
300
Days with Moderate air quality
64
Highest AQI recorded (year)
130

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

Amenities

National parks within ~60 mi
5
Nearest national park
Eugene O'Neill National Historic Site (54 mi)
National parks include
Eugene O'Neill National Historic Site, San Francisco Maritime National Historical Park, Presidio of San Francisco
Airports within 30 mi
9
Nearest airport
Bonny Doon Village Airport (4 mi)
Nearest major airport
Norman Y. Mineta San Jose International Airport (SJC) (23 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
EV charging stations (within 10 mi)
105
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)
-1,763 tax filers

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

Housing stock

Median year housing built
1,954
Housing built before 1970
88.3%
Housing built 2000 or later
0.0%
Median annual property tax
$5,528
Households with broadband internet
94.5%

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

Employment & development

Total county employment
85,542
Average weekly wage
$1,194
Top industries (by employment)
Health Care, Accommodation & Food, Agriculture
Annual residential building permits (county)
143

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

How it compares

Mount HermonState medianUS median
Median home value$818,265$702,573$289,727
Median sale price$1.02M$696,000$325,000
Median days on market36 days39 days51 days
Median annual property tax$5,528$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 Mount Hermon, CA?
$818,265.
What is the median sale price in Mount Hermon, CA?
$1.02M.
How long do homes take to sell in Mount Hermon, CA?
Median days on market: 36 days.
What is the natural-hazard risk in Mount Hermon, CA?
Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: drought, earthquake, inlandFlooding, landslide, heatWave.
What is the wildfire risk in Mount Hermon, 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 Mount Hermon, CA?
Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near Mount Hermon, CA?
1 current or proposed National Priorities List site within 5 miles (EPA). Nearest site: Watkins-Johnson Co. (Stewart Division Plant), 1.6 mi.
What is the air quality in Mount Hermon, CA?
Good. Median AQI: 36. (EPA AQI).
What is the cost of living in Mount Hermon, CA?
Regional Price Parity: 113.3 (100 = US average) (High) (BEA RPP, metro/state-level).

ZIP code for Mount Hermon

Selling a home in Mount Hermon, 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