It’s September. Is now the best time to buy a home in Seattle?

Spring gets a lot of attention in Seattle real estate. More homes tend to come on the market, buyers get excited to start their search, and the whole real estate landscape feels busier. But if you’re hoping to make a move this year, September deserves a closer look.

By early fall, buyers often have something they didn’t have during the spring rush: more leverage.

Spring usually brings the biggest wave of new listings, but it also tends to draw more competition from other buyers. The summer months in Seattle tend to quiet down as people spend more time outdoors and go on vacation. By September, there are often still plenty of homes to choose from, but the urgency of the spring and summer market has started to fade. For buyers who are still actively looking, that can create a different kind of opportunity. With less competition, they may have more time to consider their options and more room to negotiate.

Last September Gave King County Buyers More Breathing Room

In 2025, September had the highest months of inventory in King County for the entire year, at 3.15 months. This is according to NWMLS data*.

Months of inventory is one way to look at the balance between available homes and buyer demand. Generally, when inventory rises, buyers have more choices relative to the number of homes selling. And more choice can translate into more negotiating power.

Buyers Have Even More Inventory This Year

That trend is worth watching again this fall. In August 2026, active listings in King County were up 30% compared with August of last year.

For buyers, more homes on the market can mean more opportunities to compare properties, take a closer look at pricing, and potentially negotiate terms that would have been harder to get in a more competitive market.

What More Buyer Leverage Can Look Like

Leverage doesn’t necessarily mean every seller is going to accept a dramatically lower offer. But it can change the conversation.

Depending on the home and how long it has been on the market, buyers may have more room to negotiate on price or ask for seller concessions or a mortgage rate buy-down. They may also be able to write an offer without feeling quite as much pressure to waive protections or stretch beyond their comfort level simply to win.

That breathing room can be especially valuable for buyers who felt discouraged by a faster-moving spring market, giving them more time to understand the property itself and move through steps like the inspection process with less pressure. If you’re newer to buying a home, I put together a guide to home inspections for first-time buyers in Seattle.

There Is a Tradeoff

Of course, fall doesn’t have every advantage. And buyers aren’t the only ones weighing the timing. If you’re curious about the other side of the market, I recently looked at whether early fall is a good time to list a home in Seattle.

If your goal is to see the largest possible number of brand-new listings coming onto the market each week, spring will usually give you more selection. By September, the pace of new listings often begins to slow. But that doesn’t mean there are no good homes available. It means the homes that are available may be competing for a smaller pool of buyers, and some sellers may be increasingly motivated to make a deal before the market slows further into late fall and winter.

So When Is the Best Time to Buy a Home in Seattle?

There really isn’t one answer for everyone. If your priority is maximum new selection, spring may be the better fit. If your priority is more negotiating leverage, more time to make decisions, and potentially less competition, early fall can be a very good time to buy. And in Seattle, September is particularly worth watching. The best timing still depends on the specific home, your budget, your financing, and what matters most to you.

If you’re thinking about buying a home in Seattle this fall, I’m always happy to help you look at what’s happening in the neighborhoods you’re considering and figure out where the opportunities may be.

*Market data source: Northwest Multiple Listing Service (NWMLS), 2025 King County Annual Review and August 2026 market data.

Kristina Bulajewski
Broker | Realtor®
Windermere Real Estate Co. | Ballard
Helping buyers and sellers navigate Seattle real estate with thoughtful guidance and local insight.