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Rent vs Buy: 35 year old tech worker wants to buy a $2.5M home in the Bay Area. Should they?

Arundhati Sampath / Dec 07, 2025 / Home Buying

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Here's a scenario we recently ran with Planwell's financial planning web app. A 35 year old tech employee working for a FAANG is currently renting in San Francisco. Here is their financial situation.

  • Family income: $450,000
  • Expenses: $11,000
  • Monthly Rent: $5000
  • Retirement accounts: $800K
  • Investment accounts: $1M
  • Cash accounts: $100,000

Summary: They may be better off renting with their current income, expense levels and assets accumulated. However, if they want to buy, their maximum home affordability is $1.7M. Alternatively, they can boost their savings by $52K per year to be able to buy the $2.5M home and still retire by age 65.

Here's a detailed breakdown of renting vs buying in the Bay Area.

Scenario 1: Rent

When we ran their financial projection in Planwell, here's what we got. They can comfortably retire at age 65. Their liquid net worth lasts until age 95 (consisting of retirement and taxable accounts).

r/Planwellfinance - Liquid net worth by age

Scenario 2: Buy a $2.5M home in the Bay Area

Same financial situation, except the $5000 in rent is replaced with a home mortgage + property tax.

  • Family income: $450,000
  • Expenses: $11,000
  • Home value: $2.5M; property tax: 1.25% annual, HOA: $200 per month. Downpayment: $500K
  • Retirement accounts: $800K
  • Investment accounts: $1M
  • Cash accounts: $100,000

Here are their results: They clearly cannot retire by age 65, in fact they'll have to keep working until they’retill 75.

r/Planwellfinance - Liquid net worth by age

How much house can I afford in the Bay area?

It turns out the maximum home value they can afford and still retire by 65 is $1.7M, not $2.5M.

r/Planwellfinance - Maximum home affordability

If they want to still buy the $2.5M home, then they will need an additional savings of $52K per year. This can be achieved by boosting their income by 8% (maybe through a new job or promotion) and cutting expenses by 11%.

r/Planwellfinance - Personalized recommendation to retire by age 65 - save an additional $52K/ year

Personalized recommendation to retire by age 65 - save an additional $52K/ year

And here is how their home affordability analysis breaks down:

r/Planwellfinance - Rent vs Buy: 35 year old tech worker wants to buy a $2.5M home in the Bay Area. Should they?

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