Condo Market/Buildings/Watermark
South Beach

Watermark.

501 Beale St
Units
136
Built
2006
Median $/sf
$896
South BeachWatermark
About

About Watermark

Watermark is a 136-unit condominium building in South Beach, San Francisco, built in 2006. Over the last 12 months, units here have traded at a median of $896 per square foot.

Neighborhood
South Beach
Property type
Condo
Built
2006
Units
136
The Dossier

Watermark, by the numbers

Median $/sf
$896
Per square foot · last 12 months of sales
Median price
$680,000
Median closed price · last 12 months
Sold (12 mo)
1
Closed sales in the last 12 months
Last sale
$680,000
Unit 4D · Apr 6, 2026
Unit count
136
Mid-size building
Built
2006
2000's
vs South Beach median ($1,260/sf)-29%
vs San Francisco median ($1,148/sf)-22%

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Unit-level sale history, owner tenure patterns, price trajectories, sale-to-list ratios, and off-market activity signals — all available to members. Free to sign up.

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Market analysis

How Watermark compares

Trailing-12-month performance against the half-mile surroundings and the broader market, plus quarter-by-quarter $/ft² history.

How it compares

South Beach, by $/sf

Median price per square foot across South Beach buildings — last 12 months of closed sales. Watermark is highlighted.

Run the numbers

Mortgage calculator

Back-of-envelope monthly cost for a purchase at Watermark. Defaults use the building’s recent median price and conservative market assumptions.

Purchase price
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Down payment
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Interest rate
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Term
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Est. HOA
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Est. monthly
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Numbers add up?

Make this offer · $680,000
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