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Selling

Castro Valley Lights and What the December Evenings Tell Sellers

Tim Fiebig, Castro Valley Real Estate Agent October 21, 2026 5 min read
A suburban California hillside home at night glowing with thousands of synchronized red, green, white, and blue holiday lights, with a parked car on the quiet street watching the display

Every December, a home on Trenton Drive in Castro Valley becomes the town’s own holiday landmark: thousands of lights synchronized to music, free for anyone who drives up, with visitors tuning their car radios to 93.9 FM to hear the soundtrack. Past seasons have glowed nightly from about 5:15 to 10:30 p.m. into early January, and the family behind the display posts each year’s schedule at Castro Valley Lights as the season approaches. For sellers, those December evenings are a quiet market signal: people are driving into the neighborhood, homes are on display after dark, and the year’s thinnest inventory window is open. Here is how Tim Fiebig reads the season.

What the display looks like

Castro Valley Lights at 17923 Trenton Drive has been a local tradition for years, a free music-synchronized light show on a family home, covered again and again by the town’s local news because it draws visitors from across the East Bay. Cars line the quiet street on winter evenings, windows down and radios tuned, while the lights pulse to the music across the roofline, porch, and front-yard trees. It is a driveway-and-street kind of attraction, built by neighbors for neighbors, and it keeps its own schedule on its own website.

What makes it worth a seller’s attention is not the lights themselves but the traffic they prove. December evenings bring people from beyond Castro Valley into the neighborhood, which means the exact hours a December listing might host a showing are hours the region is already out and about. In a thin-inventory market, that is not a footnote: it is the showing window.

What a street that glows tells buyers

A neighborhood’s seasonal life shows up in details like this. Streets where neighbors decorate, where a family has spent years building a free community display, tell buyers something the data cannot: that people here invest in their homes and their blocks. When buyers compare pockets of Castro Valley, from the neighborhoods in the hills to the mid-century streets closer to the boulevard, that sense of place is part of what a home purchase actually buys.

What December evenings mean for a listing

In the current Castro Valley market, well-priced homes have been going under contract in about 29 days per the monthly market report. December is the year’s thinnest window on both sides: fewer homes to compete with, and a smaller pool of buyers whose moves run on schedules that do not pause for the holidays. The listings that perform in it are handled the way Tim handles every Castro Valley listing, with the calendar in mind:

  • Price from real comps before the launch. Tim prices each listing from the closest recent sales, not from a guess or an online estimate, so the home enters December in the range buyers are actually searching.
  • Dress the home for the season, lightly. Neutral holiday décor helps buyers picture their own traditions, while an overdone display can hide the house itself.
  • Keep evening and weekend showing hours open. December buyers tour around work, school, and holiday calendars, and the same evenings the drive-bys are happening can be the evenings a showing fits.

The market report is updated every month and tracks the days-on-market number that separates a fast sale from a listing that stalls. The neighborhood guide shows how each pocket of town prices differently this time of year, and the December light show post covers the season’s other big draw across the East Bay.

Licensed since 1978 · 1,000+ homes sold in Castro Valley alone · eXp ICON Agent. If you are thinking about a December sale, call Tim at 510-708-8700 or use the contact form to talk through your home, your timing, and what the month can realistically deliver.

Tim Fiebig, Broker-Associate, DRE #00657474 · eXp Realty of California, Inc., DRE #01878277 · Equal Housing Opportunity.