131 Union Avenue.
Every unit here is open to an offer — listed or not.
Make an offer on any unit →See every sale in this building — freeA unit lists, a sale records, the HOA figures change. No account, and one click to stop.
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Coming-soon listings, owners’ private numbers and the Investor Exchange, with the unit, price and photos of each. Nothing in 131 Union Avenue is off market today; a free account shows you everything that is.
About 131 Union Avenue
131 Union Avenue is a condominium building in Campbell, Silicon Valley. 0 recorded sales in the 12 months to Oct 27, 2026.
131 Union Avenue, by the numbers
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Owner tenure patterns, price trajectories, sale-to-list ratios and off-market activity signals — available to members. Free to sign up.
Unlock enhanced data →Every recorded sale at 131 Union Avenue
131 Union Avenue at 131-137 Union Ave has 35 recorded sales since 1999. None sold in the 12 months to Oct 27, 2026.
| Date | Unit | Price | Sq ft | $/sq ft |
|---|---|---|---|---|
| Apr 10, 2026 | 137 Union Ave #A | $1,000,000 | — | — |
| Nov 3, 2022 | 131 Union Ave #A | $860,000 | — | — |
| May 8, 2021 | 131 Union Ave #E | $865,000 | — | — |
| Apr 2, 2021 | 133 Union Ave #A | $814,000 | — | — |
| Feb 23, 2021 | 133 Union Ave #C | $825,000 | — | — |
| Jul 21, 2020 | 135 Union Ave #B | $779,000 | — | — |
| May 17, 2019 | 137 Union Ave #A | $760,000 | — | — |
| Sep 15, 2017 | 131 Union Ave #H | $762,000 | — | — |
| Jul 28, 2017 | 131 Union Ave #E | $710,000 | — | — |
| Oct 6, 2016 | 137 Union Ave #B | $620,000 | — | — |
| Sep 1, 2016 | 131 Union Ave #G | $703,000 | — | — |
| Jun 11, 2015 | 133 Union Ave #C | $625,000 | — | — |
| Apr 1, 2015 | 135 Union Ave #B | $600,000 | — | — |
| Aug 21, 2014 | 137 Union Ave #E | $570,000 | — | — |
| May 5, 2014 | 137 Union Ave #C | $360,000 | — | — |
The 15 most recent of 35 recorded sales, from county records and the MLS, one row per sale. Transfers under $100,000 are left out. BMR marks a below-market-rate sale: it is listed here and left out of every figure on this site.
How 131 Union Avenue compares
Trailing-12-month performance against the half-mile surroundings and the broader market, plus quarter-by-quarter $/ft² history.
Mortgage calculator
Back-of-envelope monthly cost for a purchase at 131 Union Avenue. Defaults use the building’s recent median price and conservative market assumptions.
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Make this offer · $950,000 →Buy at or sell at 131 Union Avenue
You don’t need a unit to be listed to make a move. Submit an offer on any unit in the building, or name a price your own unit would sell for.
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Watch the market review
A short video walkthrough of recent sales in 131 Union Avenue and the buildings around it — what’s moving, and what it means for value.
HOA & CC&R cheat sheet
A plain-English summary of 131 Union Avenue’s rules, fees, rental policy, and the fine print that actually matters — delivered within 24 hours.
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