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Area data

Loma Mar, CA — ZIP 94021

Population: 321 (Census ACS)

The median home value in ZIP 94021 (Loma Mar, CA) is $1.07M. Homes sell for a median $510,000 after a median 19 days on market. FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively High, with coastalflooding, 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

$1.07M

Median home value

19

Median days on market

Relatively High

Hazard risk (county)

Home values & appreciation

Median home value
$1.07M
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
$510,000
Median list price
$721,000
Median price per sqft
$420
1-year sale-price change
-31.9%
Median days on market
19 days
Homes sold (recent period)
3
Sale-to-list ratio
100.8%

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

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)
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)
coastalFlooding, drought, earthquake, inlandFlooding, landslide
Notable hazard ratings (county)
coastalFlooding: Relatively High · drought: Relatively High · earthquake: Relatively High · heatWave: Relatively Moderate · inlandFlooding: Relatively High · landslide: Relatively High
Wildfire risk to homes (county)
Higher than 72% of US counties
Buildings in wildfire direct-exposure zone
12.7%
Radon potential (county)
Moderate radon potential — EPA Zone 2 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
Hewlett-Packard (620-640 Page Mill Road) (13.6 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
59.0°F
Average high
70.0°F
Average low
48.0°F
Annual precipitation
25.3 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)
27
Days with Good air quality
281
Days with Moderate air quality
38
Highest AQI recorded (year)
73

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

Amenities

National parks within ~60 mi
10
Nearest national park
Presidio of San Francisco (37 mi)
National parks include
Presidio of San Francisco, San Francisco Maritime National Historical Park, Fort Point National Historic Site
Airports within 30 mi
10
Nearest airport
Las Trancas Airport (13 mi)
Nearest major airport
San Carlos Airport (SQL) (17 mi)
Hospitals nearby (~15 mi)
52
Hospitals include
ST ROSE HOSPITAL, PENINSULA MEDICAL CENTER, CALIFORNIA PACIFIC MEDICAL CTR-DAVIES CAMPUS HOSP
Avg hospital rating (CMS)
3.3 / 5
Best hospital rating nearby (CMS)
5.0 / 5
Solar radiation rating
Good (4.6 kWh/m²/day)

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

Housing stock

Median year housing built
1,938
Housing built before 1970
72.9%
Housing built 2000 or later
0.0%
Median annual property tax
$8,490
Households with broadband internet
100.0%

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

Employment & development

Total county employment
390,970
Average weekly wage
$3,458
Top industries (by employment)
Professional Services, Information, Health Care
Annual residential building permits (county)
482

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

How it compares

ZIP 94021State medianUS median
Median sale price$510,000$696,000$325,000
Median days on market19 days39 days51 days
Median annual property tax$8,490$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 ZIP 94021?
$1.07M.
What is the median sale price in ZIP 94021?
$510,000.
How long do homes take to sell in ZIP 94021?
Median days on market: 19 days.
What is the natural-hazard risk in ZIP 94021?
Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: coastalFlooding, drought, earthquake, inlandFlooding, landslide.
What is the wildfire risk in ZIP 94021?
Risk to homes is higher than 72% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in ZIP 94021?
Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 94021?
No current or proposed National Priorities List sites within 5 miles (EPA).
What is the air quality in ZIP 94021?
Good. Median AQI: 27. (EPA AQI).
What is the cost of living in ZIP 94021?
Regional Price Parity: 110.7 (100 = US average) (High) (BEA RPP, metro/state-level).

Nearby ZIP codes

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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