Lake Mathews, CA vs Piru, CA
Piru is moderately more affordable than Lake Mathews, with a 14.5% lower cost of living index. Lake Mathews scores 151 compared to 132 for Piru, where the US average is 100. This difference means residents of Lake Mathews can expect to pay noticeably more for everyday expenses, housing, and services.
On the housing front, median rent in Lake Mathews is $1,906/month compared to $1,452/month in Piru — a 31% difference. Home values follow the same pattern: Piru is more affordable at $586,400 median vs $678,300.
Median household income in Lake Mathews is $102,700 compared to $96,765 in Piru (+6.1%). Lake Mathews does offer higher incomes, but the salary premium barely offsets the higher cost of living, leaving residents with a tighter budget. Looking at affordability, residents of Lake Mathews spend roughly 22.3% of their income on rent, more than the 18% in Piru.
Climate-wise, both cities share similar average temperatures (63.3°F vs 62.5°F). Piru receives more rainfall at 12" per year compared to 10.7" in Lake Mathews.
Income & Cost
Housing
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Rent by Bedroom Size
HUD Fair Market Rent (FY 2026) — metro area average
Everyday Prices
BLS Average Prices by metro area
Climate
NOAA 30-year normals (1991-2020)