Napa County

Single-family detached houses (5 towns), effective date 1 October 2026.

Market area models for Napa County, one set per property class, fitted on each town’s sales. Each class has its own models: single-family detached houses are not mixed with attached houses, condominiums, multi-family or mobile homes.

Single-family detached houses

MLS subclass Single Family Home, building type Detached. Effective date 1 October 2026; built 1 November 2026.

Start here

• User guide (PDF): what the pages show and how to use them.
• Overview: the county map with the town limits and a table of every town’s figures.

Towns

• American Canyon
• Calistoga
• Napa
• Saint Helena
• Yountville

Not analysed: Angwin (82 fitting sales; the models did not hold up on held-out sales); Pope Valley (53 fitting sales; the models did not hold up on held-out sales).