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Every listing shows your estimated rebate.
The green number on each home is what could come back to you: the buyer-broker fee (typically 2 to 3%) minus our flat $9,750. No other search shows you this, because no other brokerage gives it back.
At a glance
4102 100th Avenue SE, Mercer Island, WA, 98040
$6,880,000·5 bd·3 ba·NWMLS #2572498
Every completed rebate is published: see all 249 closings.
Listing data from NWMLS. Listing courtesy of Joan C. Bayley of Windermere Real Estate/East. Rebate estimate calculated by Arrivva.
How the rebate is calculated
- Buyer-broker fee at 2%
- $137,600
- Buyer-broker fee at 3%
- $206,400
- Arrivva flat fee
- - $9,750
- Estimated rebate range
- $127,000 to $197,000
*Estimate only. Actual rebate may vary based on final price, lender requirements, MLS rules, and broker policies. How the rebate works
4102 100th Avenue SEMercer Island, WA 98040
Listing courtesy of Joan C. Bayley of Windermere Real Estate/East




Undeniably the best waterfront value of the summer! Invest in not one home but two: a 5 bedrm main residence with an apartment/office suite plus a separate 1 bedrm guest house right at the water’s edge. This Northend Retreat showcases 90 ft of shoreline, a pancake flat lawn, a newer dock. Inside, craftsmanship reigns w/triple crown molding + rich millwork & board & batten details. An epic Great Room awaits, flowing effortlessly through a fully opening retractable window wall & triple sets of French doors to multiple deck spaces & a covered outdoor living area w/ TV, frplc and built in BBQ. At its heart sits an Epicurean kitchen—a true command center for serious cooking & unforgettable gatherings. Private upper wing hosts an apartment suite w/ kitchenette ideal for work or multigenerational living. Retreat to the main flr primary, a sanctuary in itself, w/ soaring ceilings, stunning views, his/hers closets & its own laundry. The lower level unfolds into a wonderland of space w/ 3 bdrms (1 an ensuite), exercise + big bonus/billiard rm. At the shoreline, discover a charming beach house w/ upper view loft that could be the perfect art studio or massive storage space for all of the outdoor toys. Control 4 smart home. 3 laundry rms. 5 bdrm/4.5 bth, 5,535 sf main house, 1 bdrm/1bth, 950 sf casita. With a 3-car garage, generous auto court & newer boat ready dock, you'll never want to leave. Welcome home to the ultimate in wtrfrnt living!
| 6 days ago | Listing updated with changes from the MLS® | |
| 3 weeks ago | Listing first seen on site |
Listing courtesy of Joan C. Bayley of Windermere Real Estate/East
Listing information is provided by Participants of the Northwest MLS. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. Copyright 2026, Northwest MLS.
All data is obtained from various sources and may not have been verified by the broker or MLS Grid. Supplied open house information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
Last checked: 2026-09-09 10:31 PM PDT
*Estimate only. Actual rebate may vary based on final price, lender requirements, MLS rules, and broker policies.
Questions about this listing
- How much could a buyer get back on 4102 100th Avenue SE, Mercer Island, WA, 98040?
- Arrivva estimates a buyer rebate of $127,000 to $197,000 on this listing. The buyer-broker fee, typically 2 to 3% of the price, goes back to you minus Arrivva's flat $9,750 fee. Every completed rebate is published on the Arrivva results page. See every completed closing
- Who is the listing brokerage for 4102 100th Avenue SE, Mercer Island, WA, 98040?
- Listing courtesy of Joan C. Bayley of Windermere Real Estate/East, per NWMLS listing #2572498. Arrivva is not the listing brokerage: Arrivva is a separate flat-fee brokerage that represents you as the buyer, with your interests first and no dual agency, ever. How Arrivva represents buyers
- How do I schedule a tour of 4102 100th Avenue SE, Mercer Island, WA, 98040?
- Set up a quick chat with Arrivva by phone or video. The team confirms showing availability fast, tours the home with you, and walks you through offer strategy and the rebate math before you commit to anything. Set up a time to talk
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