Congress proposes two-tier federal tax system based on where you live

What it does

This bill adjusts federal income tax brackets based on regional cost-of-living differences, so that people in expensive areas (like San Francisco or New York City) pay lower effective tax rates than people in cheaper areas earning the same income. The Treasury Department would calculate a cost-of-living index for each metro area and statistical region annually, then multiply income tax brackets by a regional multiplier—capping the adjustment at 90% of the cost-of-living differential for high-cost areas, using a 1.05 multiplier for moderate-cost areas, and 1.0 for lower-cost areas.

Why we flagged it

The bill's core function is to create a geographically differentiated income tax system using cost-of-living indices. It is not a simple tax cut (rates stay the same; brackets adjust), but rather a structural reform of how federal income tax applies across regions.

What the text implies

• Creates a permanent two-tier federal tax system where identical incomes are taxed differently based on geography, potentially incentivizing migration to high-cost areas for tax benefits.
• The 90% cap on high-cost adjustments means San Francisco/NYC residents still pay more tax on the same income than rural residents, but the gap narrows—unclear if this is intentional or a compromise.
• Treasury must publish regional cost-of-living indices annually; methodology tied to existing Regional Price Parities, but any change in that methodology could shift tax brackets retroactively.
• No explicit provision for how to handle individuals who move mid-year or have income from multiple regions; primary place of abode rule may create disputes.
• Rounding to nearest $50 for bracket amounts could create micro-inequities and administrative complexity.

Who it affects

High-cost-of-living regions (urban centers, coastal metros) would see meaningful tax relief, improving purchasing power for residents there. However, lower-cost regions would see no adjustment or minimal relief, potentially widening the after-tax income gap between regions and creating a two-tier tax system. The net fiscal impact on the federal budget and whether this is truly progressive or regressive depends on income distribution across regions—data not provided in the bill text.

Who stands to gain

• residents of high-cost metropolitan areas
• urban professionals in expensive metros

Named in the bill

Internal Revenue Code Section 1, Treasury Department (SecDOC), Metropolitan Statistical Areas, Regional Price Parities indexes, COST (Costco Wholesale Corp — direct reference in mapped stocks)

Where it stands

1 cosponsor: 1 Republicans.

• Jun 8, 2026 — Introduced · Congress.gov: “Introduced in House”
• Jun 8, 2026 — Referred to House Committee on Ways and Means · Congress.gov: “Referred to the House Committee on Ways and Means”

Dates and quoted wording are Congress.gov's action record; the timeline shows status changes, not every procedural step.