Rent vs. Buy in Puyallup: A Case Study

Buy vs. Rent ComparisonIf you’re a first-time homebuyer in Puyallup, you’ve probably run the mental math more than once: rent is lower than a mortgage payment, so isn’t renting the “safer” choice? It’s a fair question — and the honest answer is that the monthly payment is only part of the story. To actually compare the two, you need to factor in what happens to your money over time: home appreciation, the equity you build through your loan paydown, tax benefits, and how rent increases every year while a fixed-rate mortgage payment doesn’t.

That’s exactly what my Buy vs. Rent Comparison tool does. I can run this for your specific scenario — target price range, ZIP code, and assumptions — and it lays out, year by year, whether buying or renting puts you further ahead financially. Here’s a real example from a Puyallup scenario so you can see how it works.

The Scenario

This example looks at a $485,000 home purchase in the 98374 ZIP code (Pierce County), comparing it against renting a similar property. The analysis assumed a 6.5% interest rate (6.683% APR) and roughly a 4.25% average annual appreciation forecast for the area, with rent increasing 3% per year — a typical assumption for the Puyallup rental market.

Here’s what that looks like when you chart it out year by year:

rent vs buy comparison washington state

Year 1 vs. Year 9: How the Math Shifts

In year one, buying costs more out of pocket every month than renting does — that’s normal, and it’s the part most people fixate on. But look at what happens to each side over time:

  Year 1 Buying Year 1 Renting Year 5 Buying Year 5 Renting Year 9 Buying Year 9 Renting
Principal / Rent $442 $2,800 $573 $3,151 $742 $3,547
Interest $2,470 $2,339 $2,170
Prop. Tax, Ins., Maint. & Repairs $744 $43 $774 $48 $806 $54
Estimated Monthly Total $3,656 $2,843 $3,686 $3,200 $3,719 $3,601

Notice what’s happening: the buyer’s payment barely moves over nine years, because it’s a fixed-rate loan. The renter’s payment climbs every year with rent increases — and by year nine, the monthly gap between renting and buying has narrowed to about $118.

Where Buying Actually Pulls Ahead

The monthly comparison only tells part of the story. Over nine years, this scenario shows the buyer building wealth in a few different ways:

  • Appreciation gain: $220,345 — the home’s forecasted growth in value, bringing the estimated value to $705,345 after nine years.
  • Amortization gain: $60,915 — the equity built simply by paying down the loan’s principal balance over time.
  • Tax benefit over renting: $1,680 — an estimate based on itemizing above the standard deduction, in the 22% tax bracket (talk to a tax professional about how this applies to your situation; this benefit shrinks over time as the standard deduction rises).

Against that, the analysis also accounts for the real costs of buying: an estimated $5,252 in purchase closing costs, a 4% estimated cost to sell ($28,214) if the home were sold at year nine, and a -$51,552 cashflow difference (the extra amount paid out-of-pocket toward buying compared to renting over the same period).

Net it all out, and this scenario shows a net gain of $198,921 from buying versus renting by year nine. The longer you stay, the more the appreciation and amortization gains outweigh the upfront costs of buying.

Worth noting: in year one, this analysis shows a net loss of $5,603 — buying starts out behind renting because closing costs and the cost to sell weigh heaviest in the early years. That gap closes fast, though: by year three the buyer is already ahead, and the lead widens every year after that. Buying tends to make the most financial sense when you’re planning to stay put for several years, not flip the home right away.

“But What If I Rent and Invest the Difference?”

It’s a fair question, and one worth answering directly. The $198,921 net gain figure above already assumes the renter doesn’t spend a dime extra than they would otherwise — but it also assumes that monthly savings from renting (the -$51,552 cashflow difference) just sits in cash, earning nothing. What if, instead, the renter invested that difference every month?

The gap between renting and buying starts around $813/month in year one and narrows to about $118/month by year nine, as rent keeps climbing while the mortgage payment stays fixed. If a renter invested that shrinking monthly difference consistently over nine years:

  • At a conservative 4% annual return (roughly what a high-yield savings account might earn): the invested savings would grow to about $61,930 — leaving buying still ahead by roughly $136,991.
  • At a moderate 7% annual return (closer to a long-run average for a diversified investment portfolio, which carries real market risk): the invested savings would grow to about $71,533 — leaving buying still ahead by roughly $127,388.

Even under the more generous investing assumption, buying comes out significantly ahead in this scenario. That’s because appreciation and equity paydown on a $485,000 home simply outweigh what compounding can do to roughly $51,000 in cash savings over the same nine years.

That said, this comparison isn’t a guarantee in either direction. A renter who actually invests the difference every month, without dipping into it, will do better than one who doesn’t — and investment returns fluctuate with market conditions in a way that scheduled loan paydown doesn’t. Home equity is also less liquid than an investment account. I’m not a financial or investment advisor, so if you’re weighing this tradeoff for your own situation, it’s worth a conversation with one alongside a conversation with me about the mortgage side.

Beyond the Numbers

Financial projections are one piece of the decision, but not the whole picture. Buying a home also means:

  • More control over the space — paint the walls, renovate the kitchen, put in a garden, without asking a landlord’s permission
  • Having a yard, a garage, a place that’s actually yours to shape
  • Stability — a fixed-rate mortgage payment that doesn’t rise every year the way rent does

Renting has its own real advantages, and they shouldn’t be dismissed:

  • Flexibility — easier to move for a job, a life change, or just a different neighborhood
  • No responsibility for maintenance, repairs, or unexpected costs like a failed water heater or roof
  • Lower upfront cash needed — no down payment or closing costs

For this Puyallup scenario, the financial case tilts toward buying the longer the timeline stretches out — but the right answer depends on your own plans, how long you intend to stay, and what matters most to you beyond the spreadsheet.

Want to See Your Own Numbers?

This is just one example scenario. I can run a personalized Buy vs. Rent Comparison for your specific situation — your target price range, your city, your current rent — so you can see exactly where the numbers land for you.

Read: First-Time Home Buyer Programs Guide for 2026 — see the low-down-payment and no-down-payment options that could make the “buying” side of this comparison even stronger.

Get your own free Buy vs. Rent Comparison — just a few quick questions and I’ll put together your personalized numbers.

See All Mortgage Tools & Resources

 

Rhonda Porter, NMLS# 121324, is a Mortgage Advisor serving Pierce, King, Snohomish Counties and homes located in Washington State.

Editor’s note: This example uses a real Buy vs. Rent Comparison I ran for a Puyallup property from July 2026 — think of the numbers here as a snapshot of how the analysis works, not a quote. Rates, fees, appreciation forecasts, and investment returns change and are not guaranteed, and this example is for illustrative purposes only — it is not a loan estimate, commitment to lend, or investment or tax advice. Contact me directly for current numbers specific to your own scenario and consult a financial or tax professional regarding investment strategy or potential tax benefits.

About Rhonda Porter

Rhonda Porter (NMLS MLO# 121324) is a veteran Washington Mortgage Advisor with over 25 years of experience navigating the Pacific Northwest real estate market. Specializing in residential home financing and mortgage strategy, Rhonda founded The Mortgage Porter to provide homeowners with transparent, data-driven clarity. Based in Seattle, she is a trusted resource for first-time buyers, self-employed borrowers and homeowners across Washington State, dedicated to turning complex financing into a confident path to homeownership.

Trackbacks

  1. […] to break even. I recently walked through this with first-time homebuyers I helped in Puyallup — read their case study here. Want this tool or others like it – check out our Mortgage Tools and Resources […]

Speak Your Mind

*