Connecticut is entering a high-stakes budget debate as state lawmakers consider imposing a 1.75% surcharge on capital gains for high-income residents — a move aimed at increasing tax fairness and boosting revenues for social programs. But the proposal is already sparking sharp divisions among Democrats and resistance from the governor’s office and GOP lawmakers.
As state budgets tighten and federal funding grows uncertain, this proposal reflects a broader national trend: states are looking to wealth taxes and surcharges to fund essential services without cutting programs or increasing broad-based taxes.
Democratic legislative leaders have proposed a 1.75% surcharge on capital gains for:
This is in addition to the state’s existing income tax on capital gains, effectively increasing the rate on investment income for the top earners.
Connecticut Governor Ned Lamont has voiced strong opposition to the plan, citing:
Lamont has positioned himself as a centrist focused on long-term fiscal health and is reportedly unwilling to sign any budget that includes new personal tax increases.
This tax debate is shaping up to be the defining issue in finalizing Connecticut’s $55.5 billion two-year state budget. With the legislative session nearing its conclusion, both sides are pushing competing budget visions:
The backdrop: growing uncertainty about federal funding under the Trump administration and fears of an economic slowdown that could reduce state tax receipts.
If passed, the surcharge could:
Tax professionals in Connecticut should start modeling dual-scenario tax outcomes and advising clients on potential 2025–2026 impacts.
Connecticut’s capital gains surcharge debate underscores the increasing pressure on states to fund their budgets while navigating progressive tax policy and political friction.
At Bizora AI, we’re tracking these developments closely — helping advisors and firms forecast policy changes, optimize strategy, and keep clients informed with real-time tax intelligence.