Quick answer: A family limited partnership (FLP) is a legal structure where parents transfer assets — a business, investment portfolio, real estate — to a partnership in exchange for general partner (GP) and limited partner (LP) interests. They then gift LP interests to children at a valuation discount of 20–40% due to lack of control and marketability. This lets families transfer more wealth using less of the gift/estate tax exemption while the parents retain control as general partners.
The Valuation Discount — The Core Tax Benefit
A limited partnership interest is worth less than a proportional share of the underlying assets because LP holders have no control over the partnership and cannot easily sell their interest. The IRS allows these "discounts for lack of control (DLOC)" and "discounts for lack of marketability (DLOM)" — typically 20–40% combined, as supported by an independent appraisal. Example: a parent transfers $5M of assets to an FLP, then gifts 40% LP interests to children. The 40% proportional value is $2M — but with a 30% discount, the taxable gift is $1.4M. That's $600,000 in wealth transferred without using the gift/estate tax exemption. Multiply this over years and multiple children and the savings compound significantly.
Control, Protection, and Income Splitting
The parents retain 1% or 2% GP interests, which gives them complete management authority over the partnership — they control distributions, investment decisions, and can restrict LP transfers. This means children receive wealth transfer without getting control of the assets prematurely. FLPs also provide some creditor protection: a creditor of a limited partner generally can only obtain a "charging order" against distributions, not take control of or liquidate the LP interest. Additionally, income from FLP assets can be distributed to children in lower tax brackets, potentially reducing the family's overall tax burden on investment income.
IRS Scrutiny and Why Substance Matters
The IRS actively challenges FLPs that lack business purpose, where the parent retains too much effective control over the assets, or where the partnership is unfunded at death. To withstand IRS challenge, an FLP needs: a legitimate non-tax business purpose (family investment management, asset protection, keeping the business in family), actual operation as a business entity (separate accounts, records, annual meetings), assets that aren't immediately accessible to the parent for personal use, and a qualified appraisal supporting the discount. Do not form an FLP without an experienced estate planning attorney who handles these structures regularly. This is one of the most powerful — and most litigated — wealth transfer tools available.
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