Seattle · Home sale

4429 Forest Ave SE in Mercer Island sells for $3.36 million

A single-family home at 4429 Forest Ave SE, Mercer Island sold for $3,360,000 on October 26, 2026. See the seller and buyer net sheets for this sale.

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Listing photo 1 of 4429 Forest Ave SE, Mercer Island
Listing photo: Zillow. See the full listing on Zillow.
Sale price
$3,360,000
Sold
October 26, 2026
Property type
Single-family home
Lot size
20,697 sq ft

The home sold for $3,360,000, 16% above its market value on record. The Assessor's records list that value as $2,893,000.

A single-family home at 4429 Forest Ave SE in Mercer Island sold on October 26, 2026, according to the King County Department of Assessments' sales records.

An aerial photo shows trees covering much of the lot, with other houses around it.

The record lists Bank Of America N A as the seller. The Assessor's records show a 20,697-square-foot lot. Listing data shows 4 bedrooms and 5 bathrooms.

This summary was written by AI from public sales records and checked by automated rules. The figures come from the record and the NetSheet.org rules engine. How we make these.

What were the closing costs in King County?

By our estimate, the seller's two largest charges, not counting commission and prorations, were $69,875 for the state real estate excise tax (graduated) and $16,800 for the local real estate excise tax (0.50%). Who pays what follows King County custom.

How much did the seller net?

By our estimate, the seller netted about $3,087,075. That assumes a 5% commission. It is before any mortgage payoff.

How much cash did the buyer bring to closing?

A buyer putting 20% down would need about $719,776 at closing. That covers the down payment and closing costs.

Run this net sheet with your numbers (free) See photos on Zillow

4429 Forest Ave SE, Mercer Island, WA.

Source: King County Department of Assessments, real property sales, document 3400412. Property details: King County Assessor. Net sheets are estimates from the NetSheet.org rules engine, not the parties' actual closing statements. Request a correction or removal.

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