Conservation Easement Deduction 2026 Tax Calculator

A qualified conservation easement — a permanent restriction on land use donated to a qualified land trust or government entity — generates a federal charitable deduction under IRC §170(h). For individuals, the easement value is deductible up to 50% of contribution-base AGI in the donation year; qualified farmers and ranchers get 100%; corporations 10%. Any excess carries forward for 15 years. Syndicated transactions face the §170(f)(13) 2.5x partner-basis cap.

Who Can Claim Conservation Easement Deductions

Individuals (50% AGI cap), qualified farmers and ranchers (100% cap if gross farm income > 50% of total gross income and the easement keeps land available for agriculture), C-corporations (10% taxable income cap, 25% for qualified farmer/rancher C-corps), and S-corps / partnerships (deduction passes through to owners subject to their own AGI cap). The donee must be a qualified organization — a §170(b)(1)(A)(vi) public charity or a government entity. Private foundations do not qualify. The easement deed must be perpetual and protect a qualified conservation purpose: open space, habitat, recreation, scenic enjoyment, or farmland.

The §170(f)(13) Syndicated 2.5x Bar

Congress enacted §170(f)(13) in the 2022 Consolidated Appropriations Act (effective for contributions after Dec 29 2022) to shut down abusive syndicated conservation easement (SCE) shelters. The rule disallows a partnership's deduction to the extent the claimed easement value exceeds 2.5x the partner's adjusted basis in the partnership immediately before the contribution. Exceptions exist for family partnerships, 3-year holding periods, and qualified farm/ranch easements. SCEs are also listed transactions requiring Form 8886 disclosure — failure to disclose triggers 20–40% penalties under §6707A. The TCJA-era SCEs sold pre-2023 are now under heavy IRS audit pressure.

15-Year Carryforward And When To Claim

Excess easement deductions carry forward up to 15 years — five times longer than the standard 5-year charitable carryforward — under §170(b)(1)(E) and §170(b)(2)(B). This carryforward is one of the most powerful in the tax code for high-net-worth landowners: a $5M easement against $200K AGI can deduct $100K/year for 15 years (or 100% for a qualified farmer, recovering the full value). Time the donation for a high-AGI year (sale of business, major Roth conversion, equity vesting) to maximize the year-1 absorption. Form 8283 Section B plus a qualified appraisal by a qualified appraiser are mandatory for easements valued over $5,000 — and for any easement, expect IRS scrutiny.

Common Conservation Easement Mistakes

(1) Investing in a syndicated easement — claimed deductions of 4x–9x basis trigger automatic IRS audit and §170(f)(13) disallowance. (2) Missing Form 8886 for listed transactions — penalty is the greater of $50,000 or 75% of the tax benefit. (3) Using a non-qualified appraiser — credential and methodology requirements are strict; failed appraisals collapse the entire deduction. (4) Easement on land not held long-term — requires 1-year holding (3-year for partnerships under §170(f)(13)). (5) Ignoring state tax credits — many states (VA, CO, NM, SC, GA) offer transferable state tax credits stacking on top of the federal deduction.

Last updated May 2026. Sources: 26 USC §170(h) and §170(f)(13), IRS Pub 526 (Charitable Contributions), IRS Notice 2017-10 (listed transaction designation). Estimate only — confirm with a tax professional and qualified appraiser.