The strongest appreciation among ranked Carnelian Bay neighborhoods is -1.20%, shared by Carnelian Bay and Agate Bay, against a citywide average of -1.20%. 0 of 2 ranked neighborhoods with an appreciation figure are above 10%.
Houseberry scores 2 Carnelian Bay neighborhoods on schools, safety, amenities, price, value and appreciation. Overall scores in Carnelian Bay run from 3.8 to 3.9 out of 5, and 0 score 4 out of 5 or higher. Median home prices range from $840,000 in Agate Bay to $860,000 in Carnelian Bay across 2 priced neighborhoods.
Learn more about Carnelian Bay, CA.

Carnelian Bay is the north shore's wooden-boat town, and its history is delightfully odd. It was originally spelled Cornelian, for the translucent red and yellow stones that littered the beach, until the 1880s. Before that, in 1871, Dr. George Bourne opened a health spa here and got so carried away he petitioned to rename the whole lake Sanatoria. The Flick brothers, three Illinois men all born on Christmas Day, bought his holdings in the 1890s and left their name on Flick Point. ... See Full Page

Agate Bay is the quiet residential bay wedged between busier neighbors, and it shares its name with the beach pebbles, agate being the sister stone to the carnelian that named Carnelian Bay next door. Most of the commercial life, the restaurants and the boat company, clusters just west at the Carnelian line, which leaves Agate Bay itself as mostly homes, small-to-mid lots and cabin and mid-century stock climbing the slope from the water. ... See Full Page
Scores updated September 2026
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Carnelian Bay and Agate Bay share the highest appreciation in Carnelian Bay, at -1.20%.
Across 2 ranked Carnelian Bay neighborhoods, appreciation averages -1.20%. Individual figures run from -1.20% to -1.20%.
The median home price across the top 2 Carnelian Bay neighborhoods by appreciation is $850,000. Carnelian Bay, with appreciation of -1.20%, has a median home price of $860,000.
Agate Bay has the highest appreciation among Carnelian Bay neighborhoods priced below the citywide median of $850,000, at -1.20% with a median home price of $840,000.
0 of 2 ranked Carnelian Bay neighborhoods with an appreciation figure have appreciated by more than 10%.