Financial intelligence for substantial wealth
Menu
Wealth Managing Wealth Wealth at $10MWealth at $25MWealth at $50MWealth at $100MWealth at $250MWealth at $500MWealth at $1B+
Invest Investing Public Markets Private Markets Real Estate Lifestyle Assets
Plan Tax Estate Planning Trusts Philanthropy Insurance Risk Management Banking & Credit
Family Family Office Family Governance Next Generation Global Wealth Professionals
Data Markets Overview Equity IndicesGovernment Yields CurrenciesCommodities Digital AssetsStocks & Funds Screener
Learn Glossary Calculators News Research Ask AI Agents
About About us Methodology Disclaimer Contact
Reader tools
★ Saved

Pages and instruments you star, kept in your browser — no account needed.

DATA API

Free read-only JSON access to the site's cached data.

Dark mode

🧭 Guided View
New to markets — prices, yields, YTD, market cap? We explain every term as you browse, in plain English. Same data, with the help built in.

⚡ Expert View
You already know the market. Just the data — clean, fast and compact, with no extra explanations. This is the default view.

Interface language

Situs

Definition

The legal jurisdiction — typically a U.S. state or foreign country — whose laws govern a trust's administration, validity, and taxation.

Situs (Latin for "place") determines which state's trust laws apply to a given trust. This matters enormously because state trust laws vary widely: some states offer longer permissible trust durations, stronger creditor protection, more flexible decanting rules, or no state income tax on accumulated trust income. A trust's situs is not automatically the state where the grantor lives — it can often be deliberately chosen or later changed.

For families with substantial wealth, selecting a favorable situs can be a meaningful planning decision. A hypothetical family in a high-income-tax state might establish a trust governed by the laws of a state with no trust income tax, potentially allowing income to accumulate without state-level drag — though the rules are technical and depend on factors such as where trustees and beneficiaries reside.

A common confusion is treating situs as fixed. In many cases, trustees can move a trust to a new jurisdiction by changing the trustee's location or through a formal court or administrative process. This flexibility is one reason situs receives close attention as laws and family circumstances evolve. A qualified attorney must evaluate whether a particular situs change is permissible and beneficial for any specific trust.

Last reviewed August 25, 2026 · Editorial Policy

The Wealth Ladder

Managing Substantial Wealth Wealth at $10MWealth at $25MWealth at $50MWealth at $100MWealth at $250MWealth at $500MWealth at $1B+

Invest

Investing Public Markets Private Markets Real Estate Lifestyle Assets Markets Overview Screener

Plan

Tax Estate Planning Trusts Philanthropy Insurance Risk Management Banking & Credit

Family

Family Office Family Governance Next Generation Global Wealth Professionals

Reference

LearnGlossary CalculatorsNews Research DeskAsk AI Agents★ Saved API