Transaction coordinator in Seattle: NWMLS, rental registration and excise tax

What does a Seattle transaction coordinator handle?

Seattle-area files run on Northwest MLS forms, close through an escrow officer or a limited practice officer, and pay Washington's real estate excise tax. The Washington page covers the forms, the disclosure statute and the licensing line in full. This page is about what changes once the property is in Seattle or elsewhere in King County.

One state rule shapes every Seattle file. The Department of Licensing says licensed agents are the only people allowed to get signatures on a purchase and sale agreement, and that an escrow officer who collects them is engaging in unlicensed activity. A coordinator here prepares the paperwork and the agent sends it for signing.

Which MLS and board serve Seattle agents?

The Northwest Multiple Listing Service, based in Kirkland. NWMLS describes itself as broker-owned and not-for-profit, with more than 2,500 member offices and over 30,000 brokers across Washington and Oregon. Its 2025 profile counted 2,474 offices and 31,632 members over 27 counties. NWMLS is independent and does not require brokerages to belong to the National Association of REALTORS to use it.

The local board is Seattle King County REALTORS, the primary board for King and Kittitas counties. It is the largest local board in Washington, with about a third of the state association's members, and joining it brings state and national membership through what it calls the Three-Way Agreement.

What does a Seattle rental property add to the file?

A post-closing task for the buyer. Under the Rental Registration and Inspection Ordinance, most rental housing in Seattle must be registered with the city, and since January 2019 that has included short-term rentals that are not owner occupied.

The registration moves with the property. The city's registration form says a new owner does not need to re-register or pay a new fee. Seattle Municipal Code section 22.214.040, subsection F, gives the new owner 60 days after the sale closes to update the registration information and post or deliver the updated registration as the code requires. When a buyer is taking over tenants, a coordinator can put that 60-day date on the post-closing list so it is not forgotten once the keys change hands.

How much excise tax does a Seattle sale carry?

The state's graduated rate plus a local rate. Washington's state rates run from 1.10% for the band up to $525,000 to 3% for the band above $3,025,000, and the thresholds rise on January 1, 2027. The Department of Revenue's local rate table for May 2026 lists Seattle at 0.50%, the same as unincorporated King County, Bellevue, Tacoma and Everett. On King County's September median of $850,000, the local share alone is $4,250.

The tax is due on the date of sale, whatever the recording date, and penalties start if it is not paid within a month. A national title insurer's chart of closing customs lists the excise tax as the seller's obligation in Washington.

How is the Seattle market moving?

Prices are flat and listings are piling up. In the NWMLS September 2026 snapshot, the King County median for homes and condos was unchanged from a year earlier at $850,000, and the single-family median was $949,975. The county recaps show active listings in King County up 31% on a year earlier while pending sales fell almost 17%.

King County had 1,714 closed sales in September, against 1,952 a year earlier, and 4.70 months of inventory, more than Snohomish or Pierce.

What does a transaction coordinator cost in Seattle?

We could not find a Seattle TC firm publishing its prices. Two national companies list $350 and $400 a file for states outside California, and the 20 public price cards we read in October 2026 ran from $300 to $550 for one side, with a median of $400. Thirteen of 22 cards waived the fee if the deal fell through. The TC fee per file calculator compares a per-file price with a salaried hire.

What should you ask a Seattle TC before you hire one?

Ask how they handle signatures, given the Department of Licensing rule. Ask whether they know the NWMLS 9:00 p.m. deadline and the short-period rule that skips weekends and holidays. And on a rental purchase inside city limits, ask whether they will put the 60-day registration update on the buyer's list.

Freelance TC, TC company or DeedSpring: which fits a Seattle agent?

The table sets the usual options side by side. A good freelance TC is worth every dollar on a messy file. What most agents are really paying for, though, is someone who never misses a date and always chases the lender. Software does that on every file at once.

To see what the gap means across a year of files, put your numbers into the TC fee per file calculator.

Compare plans on the DeedSpring pricing page.