South Lake Union, WA

  • Overview
  • Performance
  • Listings
  • Buy Box

Key Performance Metrics

Market snapshot

Performance indicators for the South Lake Union short-term rental market based on reliable data.

Listings

14 / 105

Reliable / Active

Revenue

$45,830

Middle-Earners Revenue

Occupancy

55%

Middle-Earners Occupancy

Top Earners

$81,885

Top-Earners Revenue

South Lake Union

Market Revenue Seasonality

Top Listings

Highest revenue

The highest-performing listings in South Lake Union.

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C

Challenging to Investors

South Lake Union Regulations

STRs are allowed in South Lake Union, but Seattle’s regime is high‑regulation: moderate permitting and inspection burden, strict unit caps (two units) with limited exemptions tied to continued/legacy operation, heavy tax load ($14/night STR tax plus ~10.25% sales and 8.5% lodging taxes), and 24/7 contact and reporting requirements—constraints that deter new investors and elevate compliance risk.

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About South Lake Union

Union or Union City is a small census-designated place in Mason County, Washington, United States. The community lies along the southern shore of the Great Bend of the Hood Canal, near the mouth of the Skokomish River, which flows from the nearby Olympic Mountains. The U.S. Census reported a population of 631 inhabitants in the 2010 census. The ZIP Code for Union is 98592. State Route 106 is the main route through Union, leading to Belfair farther north, and Potlatch and US Highway 101 to the south.

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