Market
What Is Your Castro Valley Home Worth in 2026?
Tim Fiebig, Castro Valley Real Estate Agent
August 27, 2026 5 min read
“What is my home worth?” is the most common question Tim hears from Castro Valley homeowners, and the first answer is always the same: an online estimate is a starting point, not a value. Here is what the market is doing and how Tim actually values a home.
Castro Valley’s market, as of September 2026
Public market data (Homes.com, September 2026) puts Castro Valley’s median home sale price around $1.1 million, down roughly 6% from a year earlier. Homes are selling fast, in about 29 days on average, versus 56 days nationally, and about 471 homes sold in the past 12 months. Different sources report slightly different numbers month to month, which is exactly why a professional valuation matters.
What makes one Castro Valley home worth more than another
In Tim’s experience, the biggest value drivers in Castro Valley are:
- Location within the town: hillside views, neighborhood pocket, and street.
- Lot and home size: square footage and usable outdoor space.
- Condition and updates: kitchens, baths, flooring, and systems.
- Recent comparable sales: what similar homes actually closed for, not asking prices.
- Market timing: inventory, rates, and buyer demand in the current month.
How Tim values a home
Tim builds a comparable market analysis from recent Castro Valley sales closest to your home, adjusting for the differences above. With 1,000+ homes sold in Castro Valley alone, he brings street-level knowledge that an algorithm cannot: which blocks carry a premium, how views price, and how condition moves the number.
The valuation is free, explained in plain language, and it comes with an honest read on what you might net after costs. If you are curious where your home fits in today’s Castro Valley market, that is the conversation to have.