Saturday, November 14

What Percentage of Net Worth Should Your House Be?

House with calculator representing what percentage of net worth your home should be

There’s no official answer, but a common rule of thumb says your home shouldn’t make up more than about a third to a half of your net worth, and many advisors prefer it lower as your wealth grows. The question “what percentage of net worth should your house be” really depends on your age, income stability and other assets.

First, how to measure it

Take your home’s equity, meaning its market value minus the mortgage balance, and divide by your total net worth. Use equity, not the full price. If you own a home worth a certain amount with a large mortgage, only the equity counts as wealth.

Some people instead compare the home’s full value to total assets. Both are fair, but you should pick one and stay consistent.

Why a lot of people end up house-heavy

For many households, the home is the biggest asset they’ll ever hold. In the early years, it can be nearly all of their net worth, simply because they haven’t built up savings elsewhere. A young family with a mortgage and a small retirement account might have 70 to 90 percent of its net worth in the house. That’s normal, not a crisis.

The ratio usually drops over time as retirement accounts and other investments grow, and as the mortgage balance shrinks and equity rises in tandem.

Rules of thumb for your house and net worth

  • Housing cost rule. Many lenders look at the share of income that goes to housing, often around 28 percent of gross income for the mortgage payment, and a higher limit for all debts combined. It’s a separate idea from net worth, but the two often get mixed up.
  • Net worth rule. Some planners suggest keeping home equity at roughly a third of net worth or less, to avoid concentration.
  • Age-based view. Closer to retirement, it’s healthier to have a growing share of wealth in accessible, diversified assets.

These are guidelines, not laws. A retiree who owns a house outright and has a pension might be comfortable with a high ratio. A self-employed person with irregular income might want more liquid savings.

What goes wrong when the house is too big a share

The danger is concentration and illiquidity. Your home can’t be sold quickly or in pieces, and its value depends on a single local market. If prices fall just when you need cash, you could be stuck.

It also affects your day-to-day budget. A big mortgage, property taxes, insurance and maintenance can leave little to put into investments, which keeps the ratio high. That’s the “house rich, cash poor” trap.

What to do if your ratio is high

  1. Build an emergency fund covering several months of expenses.
  2. Increase contributions to retirement accounts, especially if an employer matches them.
  3. Avoid using home equity for spending you can’t afford to repay.
  4. Consider whether a smaller or cheaper home would suit your goals, if you’re buying.

The U.S. Consumer Financial Protection Bureau and other agencies publish buyer guides on affordability. For tax rules that affect homeowners, such as the mortgage interest deduction and capital gains on a sale, check the IRS website or ask a tax professional.

A quick worked example

Imagine your net worth is made up of home equity, retirement savings, cash and a car. If equity is the largest piece, divide it by the total. If the result is around 30 to 50 percent, you’re in the range many advisors consider balanced. Above that, don’t panic. Look at how quickly the number is falling and whether you have enough liquid savings.

Other factors that change the right answer

Your local market matters. In expensive cities, a high ratio is almost unavoidable for anyone buying a typical home, while in cheaper areas you may have more room to keep the figure down. Job security matters too: a stable government or tenured job supports more housing exposure than a variable commission income does. Family plans, such as children or caring for relatives, change how much cash you need on hand. So use the ratio as a prompt to review your overall plan, not as a pass or fail grade.

The bottom line

Aim for a home that fits your income and doesn’t crowd out other savings. A rule of thumb around a third to a half of net worth is a decent check, higher early in life and lower later. Your situation may justify a different number, and a fee-only financial planner can help you test it.

This article is for general information only and is not financial advice.

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Photo: Roger A Smith, CC BY-SA 2.0, via Wikimedia Commons