2025 Compare Cities Cost of Living:
Union City, CA vs Petaluma, CA

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Highlights
Is it cheaper to live in Petaluma or is it cheaper to live in Union City?
- Petaluma is 22.4% less expensive than Union City.

Which city has more affordable housing, Petaluma or Union City?
- Petaluma housing costs are 27.4% less expensive than Union City housing costs.

Is Health Care more affordable in Union City or is Health Care more affordable in Petaluma.
- Health related expenses are 5.6% less in Petaluma.
 Union City, CAPetaluma, CAUnited States
 Overall  Unlock151.8100
 Food & Groceries112.3  Unlock100
 Health  Unlock110.3100
 Housing388.0  Unlock100
 Median Home Cost  Unlock$839,600$338,100
 Utilities95  Unlock100
 Transportation  Unlock113.1100
 Miscellaneous159.2  Unlock100
100 = National Average (Below 100 means cheaper than the US average. Above 100 means more expensive.)
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Reviews for Union City    1 Reviews

Over 19 years ago

Hi, I am looking for a small, friendly town with low crime and friendly people, outdoor activites, mellow, etc. (in the bay area). I am currently hoping to move to  More

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Reviews for Petaluma    16 Reviews

I agree with the low star reviews. Been here for 25 years, raised a family and seen everything turn to the left and worse. Weather is glorious, love the old Victorians  More

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We’ve lived here for 3 years and we love it. It has taken some time to grow on us. We moved from SF where we had lived over 15 years, we were not used to one year leases  More

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I’ve lived here a couple of years (after living in others parts of the Bay Area for 15+ years) and I love it! Great neighborhoods, friendly folks, good schools with  More

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