In a corner of Marin County where the view alone can command eight figures, a striking and rare modernist estate overlooking the Golden Gate Bridge is chasing a buyer after a notable series of price cuts.

The roughly 8,100-square-foot residence at 445 Belvedere Ave. crowns a hillside perch on Belvedere Island, with glass-lined living spaces oriented toward sweeping vistas of San Francisco Bay, the city skyline and the bridge’s iconic red towers.

Yet even architectural pedigree and postcard views haven’t insulated the estate from market headwinds.

Initially introduced at a price north of $30 million, the home later adjusted to about $28.9 million before dropping again to roughly $22.9 million, reflecting a recalibration at the very top of the Bay Area’s luxury market.

The four-bedroom home was conceived by famed architect Charles Gwathmey, whose sculptural, geometry-driven designs helped define late-20th-century American modernism.

Completed in 2000 and later spotlighted in Architectural Digest, the property channels Gwathmey’s signature style: bold lines, dramatic volumes and an almost cinematic relationship to its surroundings.

Set on more than two-thirds of an acre, the home unfolds across multiple levels designed to frame the water from nearly every vantage point.

Amenities include a detached guest suite, a wine cellar and a three-car garage, all wrapped in a contemporary envelope that prioritizes light and transparency. Floor-to-ceiling glass walls blur the line between indoors and out, turning passing sailboats and sunset skies into daily artwork.

Olivia Hsu Decker with Golden Gate Sotheby’s International Realty holds the listing.

“I sold this home to the current seller in 2007 and he loved the property and decided to create an estate compound,” Decker told The Post. “We bought the property next door at 455 Belvedere Ave. and he tore down the large 5,500-square-foot home on that property with a plan to build a tennis court. I also sold him the home at 443 Belvedere Ave. and the vacant lot on 441 Belvedere Ave. for his plan of a large compound estate combining four properties.”

“However he had a stroke and went into coma in 2021 and he has been taking care of his health for a full recovery,” Decker said, adding that his property portfolio expands internationally across London, Tokyo and Vancouver.

“This home at 445 Belvedere Ave is his favorite home and it is last one to sell because he listed it too high,” Decker explained. “[He] finally lowered [it] to $22.888 million, which is below his cost now. He is very motivated to sell this home now and we priced low for a quick sale. Compared to the two other homes I am selling nearby, this is an amazing deal.”

Over the past three years, Belvedere’s real estate market has behaved the way ultra-wealthy enclaves often do: dramatic on paper, but driven by just a handful of blockbuster sales.

After the pandemic-era boom pushed prices to record heights, 2023 and parts of 2024 brought a reset, with some months showing sharp year-over-year median declines simply because fewer trophy homes traded.

By late 2025, however, the top tier was flexing again, with Belvedere Island posting median sale prices north of $7 million in some reports — a double-digit jump from the year prior — even as homes took three to four months to secure buyers.

That longer marketing time signals a more selective buyer pool: wealthy, but cautious. Overall, appreciation has cooled compared to the frenzy years, and annual gains have been modest, suggesting a market that is stabilizing rather than surging.