South Lake Tahoe has about 7,000 vacant homes—44% of the city’s estimated housing units. Owners of vacation homes in Northern California’s South Lake Tahoe could face a significant tax increase if voters in the mountain resort town approve a measure on Tuesday’s ballot that pits affordable housing against private property rights.South Lake Tahoe, which sits on the shores of the iconic alpine lake, has about 7,000 vacant homes—44% of the city’s estimated housing units—according to the 2022 American Community Survey.