Alabaster, AL vs Mountain Brook, AL
The cost of living difference between Alabaster, AL and Mountain Brook, AL is dramatic. Alabaster is 37.1% cheaper than Mountain Brook, a gap that translates to thousands of dollars per year in household expenses. Alabaster has a cost index of 94 while Mountain Brook sits at 149, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.
On the housing front, median rent in Alabaster is $1,375/month compared to $1,444/month in Mountain Brook — a 5% difference. Home values follow the same pattern: Alabaster is more affordable at $242,600 median vs $891,300.
Median household income in Alabaster is $90,163 compared to $191,128 in Mountain Brook (-52.8%). While Mountain Brook is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Alabaster spend roughly 18.3% of their income on rent, more than the 9.1% in Mountain Brook.
Climate-wise, both cities share similar average temperatures (64.4°F vs 63.9°F). Mountain Brook receives more rainfall at 56.6" per year compared to 56.2" in Alabaster.
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)