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Granite Hills
City in California, United States
Overview
Granite Hills is a small, unincorporated community in eastern San Diego County, California. It offers a peaceful residential atmosphere, scenic rolling hills, and a glimpse of quintessential Southern California suburban life with easy access to both nature and city amenities.
Geographic Context
Jurisdiction
United States
State
California
Population
—
Time Zone
America/Los_Angeles
Coordinates
32.80°, -116.90°
Key Metrics
Safety Score · estimate
80
Female Safety
78
LGBTQ+ Safety
80
Traffic Safety
70
Food Safety
95
Monthly Cost · estimate
$3,480
Local Cost
$2,270
Local Income
$4,200
Cashless
90
English
97
Temperature
17.1°C
Summer Avg
23.3°C
Winter Avg
11.0°C
Record High
43.8°C
Record Low
-1.9°C
Humidity
57%
Precipitation
320 mm
Internet Speed
381 Mbps
Upload
81 Mbps
Latency
10 ms
City Vibrancy
2
Coworking
0
Cafes
0
Nightlife
1
Parks
1
Transport
11
Walk Score
11
Footways
21.0
Airport
SEE
Distance
7 km
Explore
Data sources
Source-backed data
World Air Quality Index - Latest available city-level air quality station measurement. Record updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Record updated 2025-12-09.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Record updated 2025-12-06.
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-21.
Oyster List city price estimates - Price origins are unverified. Available generation methods include AI estimates; stored records do not identify a survey, observation period, or model for each price. Record updated 2026-01-14.
Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores include model-assisted estimates. Stored records do not identify supporting observations for each score. Model-reported confidence: 80/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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