Overall
- Boston-Cambridge-Newton
- 108.3
- Napa
- 112.6
Diff +4.3 RPP
Cost of living comparison based on BEA Regional Price Parities. Napa is 4% more expensive than Boston-Cambridge-Newton.
Napa, CA is 4% more expensive than Boston-Cambridge-Newton, MA-NH on BEA Regional Price Parities (overall RPP 112.6 vs 108.3). A $100,000 salary in Boston-Cambridge-Newton buys about the same as $103,961 in Napa; the largest component gap is rents.
RPP parity plate
Pair MA:CA 108.3→112.6
TIER-NEAR · CROSS-STATE · RENT-LED · BOTH-ABOVE · PP-SHIFT
Instrument codes from this pair's BEA Regional Price Parities (overall · goods · services · rents · national benchmark 100 · purchasing-power conversion), not a ranking or recommendation.
What a salary in Boston-Cambridge-Newton would need to be in Napa for the same purchasing power:
| In Boston-Cambridge-Newton | In Napa | Difference |
|---|---|---|
| $50,000 | $51,980 | +$1,980 |
| $75,000 | $77,970 | +$2,970 |
| $100,000 | $103,961 | +$3,961 |
| $150,000 | $155,941 | +$5,941 |
Same BEA Regional Price Parity ratio as the table above (108.3 → 112.6), computed live from your number, nothing is sent anywhere.
Both metros exceed the U.S. benchmark of 100. The choice is between two national premiums, so local wages need to clear the higher baseline in either market.
Napa, CA is 4% more expensive than Boston-Cambridge-Newton, MA-NH, a meaningful but not extreme shift. The move decision turns on which budget category creates the 4.3-point overall gap.
Rents leads the difference, with Napa 49.0 points higher than Boston-Cambridge-Newton. Goods, services, and rents all point in the same broad direction, making the headline comparison more transferable across household types.
Comparable population context is incomplete for this pair, so no market-scale explanation is inferred from the price indexes.
For a housing-sensitive move, validate the rent gap first: HUD Fair Market Rent and the actual unit size can overturn what the blended index implies. On the BEA ratio alone, $100,000 in Boston-Cambridge-Newton corresponds to $103,961 in Napa.
Diff +4.3 RPP
Diff +5.5 RPP
Diff +7.8 RPP
Diff +49.0 RPP
| Category | Boston-Cambridge-Newton | Napa | Difference |
|---|---|---|---|
| Overall | 108.3 | 112.6 | +4.3 |
| Goods | 99.7 | 105.2 | +5.5 |
| Services | 148.8 | 156.5 | +7.8 |
| Rents | 148.4 | 197.4 | +49.0 |
Vertical line = national average (100)
Napa is 4% more expensive than Boston-Cambridge-Newton. The overall cost index is 112.6 vs 108.3 (national average = 100).
A $100,000 salary in Boston-Cambridge-Newton has the same purchasing power as $103,961 in Napa. This is based on the BEA Regional Price Parity indexes.
Rents in Boston-Cambridge-Newton are indexed at 148.4 while Napa is at 197.4 (national average = 100). Napa has higher rents.
Every figure on PlainCost is rendered directly from BEA Regional Price Parity source data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, our changelog, or report a data error. Data current as of 2026-08-11. Rankings measure the published cost-of-living index only; we don't recommend where to live or rate any metro's quality of life.