Broadmoor Mansion Sold for $7.1 Million
A Seattle property traded hands for $400,000 less than its 2019 purchase price amid broader market shifts.
Updated on Oct. 14, 2026 in Residential
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Libby MacPhee recently purchased a 7,100-square-foot mansion in Seattle's Broadmoor neighborhood for $7.1 million. The transaction follows recent tax policy changes that have influenced luxury residential inventory in Washington.
Why it matters
The sale highlights price adjustments in the local luxury sector as high-earning households navigate the state's new 9.9 percent income tax on earnings over $1 million. This shift has altered the dynamics for premium properties across the state.
The home sold for $7.1 million, a decline from the $7.5 million Acorn Trust paid in 2019. This transaction involves a 7,100-square-foot residence in a market seeing increased luxury inventory following Washington's enactment of a 9.9 percent state income tax on earners above $1 million.
The players
Libby MacPhee
The buyer of the Broadmoor mansion.
Acorn Trust
The investment entity that previously owned the property.
The details
The property at 2020 Parkside Drive East features four bedrooms and six bathrooms, plus a 900-square-foot apartment above a detached garage. Sellers Acorn Trust were represented by Kim Knowles and Brad Knowles, while Jeri Smith represented the buyer in the deal. The mansion was originally built in 2014.
Timeline
The custom home was built in 2014.
Acorn Trust purchased the property for $7.5 million in 2019.
The governor signed the state income tax legislation in May 2026.
The transaction for the mansion closed in October 2026.
Money Landscape
This purchase follows the enactment of Washington's 9.9 percent income tax on households earning over $1 million. The move has contributed to a shifting luxury real estate environment characterized by rising inventory levels across the state.
Homeowners in the luxury bracket should evaluate how new tax liabilities impact their overall real estate holding costs and budget. Consult with a tax professional to understand how state-level tax changes specifically influence your financial planning and asset liquidity.
The takeaway
Luxury home prices in Seattle are experiencing adjustments as state tax policies change the cost of residency for high earners. Keep a close watch on your property tax assessments and regional market data as inventory levels continue to evolve.
Further reading
For more on local market conditions, see Residential.
Source note: This article includes information reported by The Real Deal New York.
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