Top Realtors and Real Estate Agents in Mercer Island, WA
Rankings based on verified MLS transaction data. Last updated July 2026. No pay-to-play.
Top Agent
Top 0.34%
in Mercer Island, WA
$503M
All-Time Sales
$1.4M - $8.3M
Price Range
Top AgentTop 1.69%
in Mercer Island, WA
$470.3M
All-Time Sales
$1.4M - $28.5M
Price Range
6%
Negotiated Off List
Top Agent$273.8M
All-Time Sales
$720K - $7.5M
Price Range
14
Sold in Mercer Island, WA
Top Agent
(25)
Sharon Glatz Scott
Sotheby's International Real Estate
14 Years of experience
5+ Sales in the last 12 months
$84.2M
All-Time Sales
$550K - $2.5M
Price Range
13
Sold in Mercer Island, WA
Top Agent(24)
Mary Lee
Realogics Sotheby's International Realty
39 Years of experience
11+ Sales in the last 12 months
$394.3M
All-Time Sales
$650K - $7.2M
Price Range
12
Sold in Mercer Island, WA
Top AgentTop 8.14%
in Mercer Island, WA
$218.6M
All-Time Sales
$730K - $4.3M
Price Range
Top Agent(3)
Becky Gray
Realogics Sotheby's international Realty
24 Years of experience
9+ Sales in the last 12 months
Top 9.15%
in Mercer Island, WA
$831.2M
All-Time Sales
$2.6M - $60M
Price Range
6%
Negotiated Off List
Top Agent$290.3M
All-Time Sales
$590K - $6M
Price Range
4%
Negotiated Off List
Top Agent$1.85B
All-Time Sales
$640K - $14M
Price Range
5%
Negotiated Off List
Top Agent$443.6M
All-Time Sales
$610K - $4.3M
Price Range
3%
Negotiated Off List
Top Agent$950.8M
All-Time Sales
$470K - $4.8M
Price Range
6%
Negotiated Off List
Top Agent$538.5M
All-Time Sales
$420K - $3.1M
Price Range
4%
Negotiated Off List
Top AgentTop 12.54%
in Mercer Island, WA
$1.23B
All-Time Sales
$840K - $7M
Price Range
6%
Negotiated Off List
Top Agent(242)
Maggie Sun
Keller Williams Realty Bellevue | Maggie Real Estate Group
12 Years of experience
150+ Sales in the last 12 months
Top 12.88%
in Mercer Island, WA
$548.9M
All-Time Sales
$950K - $5M
Price Range
Top Agent$465M
All-Time Sales
$440K - $2.9M
Price Range
4%
Negotiated Off List
Top Agent$261M
All-Time Sales
$820K - $5.5M
Price Range
7%
Negotiated Off List
Top Agent(161)
Danny Greco
Keller Williams Greater Seattle
14 Years of experience
63+ Sales in the last 12 months
Top 14.58%
in Mercer Island, WA
$289.1M
All-Time Sales
$490K - $2.4M
Price Range
9%
Negotiated Off List
Top Agent(53)
John Madrid
Realogics Sotheby's International Realty
23 Years of experience
22+ Sales in the last 12 months
$372.9M
All-Time Sales
$780K - $8M
Price Range
4%
Negotiated Off List
Top Agent(66)
Richard Buchanan
Keller Williams Greater Seattle
20 Years of experience
30+ Sales in the last 12 months
Top 15.25%
in Mercer Island, WA
$205.9M
All-Time Sales
$420K - $1.9M
Price Range
Top AgentTop 15.25%
in Mercer Island, WA
$170.1M
All-Time Sales
$900K - $2.8M
Price Range
Top AgentTop 15.93%
in Mercer Island, WA
$863.9M
All-Time Sales
$350K - $2.9M
Price Range
4%
Negotiated Off List
Top AgentTop 15.93%
in Mercer Island, WA
$280.2M
All-Time Sales
$350K - $2.3M
Price Range
3%
Negotiated Off List
Top Agent$776.3M
All-Time Sales
$550K - $4.1M
Price Range
7%
Negotiated Off List
Top Agent$340.3M
All-Time Sales
$330K - $2M
Price Range
3%
Negotiated Off List
Top Agent$143.5M
All-Time Sales
$330K - $2.2M
Price Range
343
Total Number Of Homes Sold
Mercer island Housing Market Trends
Median Sale Price
$2,448,774
-1.97% year-over-yearMedian Days on Market
9
+1 day year-over-yearSale-to-List Price
98.80%
-0.33% year-over-yearHomes Sold Above List Price
26.6%
+6.6% year-over-yearOff the Market in 2 Weeks
55.8%
+2.9% year-over-yearListings With Price Drops
26.3%
+3.1% year-over-yearMonths of Supply
2.7
Realtors in Mercer island
250
Verified MLS market data through July 2026.
When Is the Best Time to Sell a House in Mercer Island?
Based on the last 24 months of verified MLS market data, homes in Mercer Island sell fastest and closest to asking when they go under contract in March. To hit that window, plan to list around March.
Median days on market by month (shorter is faster)
March
Best month to sell
6 days
Typical time on market
99.4%
Of asking price
Seasonal averages from the last 24 months of Mercer Island, WA sales. Individual results vary with price, condition, and how the broader market moves. A local agent can pinpoint the right timing for your home.
How We Rank Mercer Island Real Estate Agents
Our rankings are built from verified MLS transaction data, not advertising spend. For every agent we analyze more than fifteen performance signals, including sales volume in your city and zip code, recent and all-time transactions, days on market, negotiation results (how far above or below list price an agent's clients actually close), price-point fit, and verified reviews. The agents shown first are those whose verified results put them at the top of the Mercer Island market today.
Agents cannot pay for placement in these rankings. The underlying data refreshes as new closed transactions are reported, so rankings shift with real market performance. Learn how we rank agents.
Rankings reviewed by Kevin Stuteville, Licensed Florida Real Estate Broker (License BK3068131), Founder of EffectiveAgents.
Data last updated: July 2026
Mercer Island Real Estate Agent FAQs
How were these Mercer Island real estate agents ranked?
Rankings are built from verified MLS transaction data. We analyze more than fifteen performance signals for every agent, including sales volume in your city and zip code, recent and all-time transactions, days on market, negotiation results, price-point fit, and verified reviews. Agents cannot pay for placement.
How many real estate agents are in Mercer Island?
Our data covers 250 real estate agents serving the Mercer Island area. The count represents agents with transaction activity recorded in our Mercer Island market data, not simply everyone holding a license.
What does the median sale price in Mercer Island mean for sellers?
Mercer Island's median sale price is $2,448,774 as of July 2026. Half of recent sales closed above that figure and half below. It is a useful baseline for understanding the market, but an experienced local agent will price your home against comparable recent sales in your neighborhood, not the citywide median.
Does it cost anything to use EffectiveAgents?
No. EffectiveAgents is free for home buyers and sellers, with no obligation to work with any agent we match you with.
Do agents pay to be ranked or featured?
No. Agents cannot pay for placement anywhere in these rankings. Positions are earned from verified transaction performance only.
What commission do Mercer Island realtors charge?
Commissions are negotiable and vary by agent, service level, and transaction. There is no set rate, and recent industry changes have made commission structures more flexible than ever. Discuss the structure directly with your agent before signing a listing or buyer agreement.
Should I use a local Mercer Island agent or a national brand?
The individual agent matters more than the brand on the sign. Offices within the same national franchise vary widely in performance, and the agent you hire, not the logo, prices your home, negotiates your contract, and manages your closing. A strong local agent brings firsthand knowledge of Mercer Island neighborhoods, pricing patterns, and buyer activity. Compare agents on verified local results such as recent sales, days on market, and negotiation outcomes rather than name recognition.
What questions should I ask a Mercer Island realtor before hiring them?
Ask how many homes they have closed in Mercer Island in the past year, what their average sale-to-list ratio is, and how much of their business is in your neighborhood and price range. Ask how they will market your home or find you listings, and how often they will communicate. Strong agents answer with specifics. Verified transaction data is the fastest way to confirm what you hear.
Top Realtors by Zip Code in Mercer Island, WA
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