The San Gabriel Valley’s industrial vacancy rate tightened in the first quarter, dipping to 0.8 percent from 0.9 percent in the prior quarter and compared with 2 percent in the year-earlier period. Class A rents increased a hair to 60 cents a square foot from 58 cents in the fourth quarter of last year. About 2.3 million square feet were sold or leased. There were 2.7 million square feet under construction.

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Sunny Hills Management Co. Inc. paid $37.5 million for the 100 Barranca St. office building in West Covina.

JLJ Investment purchased Arcadia Gateway Center, a 156,000-square-foot mixed-use complex at 300 E. Huntington Drive in Arcadia, for $62.1 million from Arcadia Gateway Centre Delaware Partners and Post Exchange.

Charles Co. purchased an industrial site at 9320 Telstar Ave. in El Monte for $26 million from Kennedy Wilson Properties and Fairfax Financial Holdings.

System Property purchased 22,800-square-foot San Marino Plaza in San Marino for $10.7 million.