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98040, Mercer Island, WA Housing Market

Hyperlocal market intelligence for ZIP code 98040 in WA. Located in King County, WA. Part of the Seattle, WA metro area.

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98040, Mercer Island, WA Housing Market Overview

98040, Mercer Island, WA is one of nearly 20,000 U.S. ZIP codes that PropertyIQ analyzes with AI-powered demand signal scoring. ZIP-level analysis provides the most hyperlocal view of housing market dynamics available, measuring how demand within 98040 compares to the WA state average and identifying outperformance potential before it appears in price data.

Pacific Coast ZIP codes feature extreme price variation from coastal enclaves to inland communities, often within the same city. PropertyIQ scores at the ZIP level reveal neighborhood-specific opportunities that are completely masked when analyzing broader metro or county areas.

PropertyIQ's ZIP-level score for 98040, Mercer Island, WA distills three housing metrics into a single 1-99 number at the most granular geography available. This is not a generic market health grade — it is a validated predictor of which ZIP codes within a state will see the strongest home price growth. The ZIP-level view often tells a different story than the broader county or metro score.

Use PropertyIQ's analytics tools to evaluate 98040, Mercer Island, WA alongside other ZIP codes and investment opportunities. The interactive map, ZIP-level rankings, and AI-generated reports provide the hyperlocal market intelligence that separates informed decisions from guesswork.

98040, Mercer Island, WA is located in King County, WA.

This ZIP code is part of the Seattle, WA metro area.

Last updated: 2026-04-05. Data from Zillow, Realtor.com, Redfin, U.S. Census Bureau, FRED, BLS, and BEA.