An office and retail property at 52 Brattle St. in Cambridge sold last year for $24 million, or $1,331 per square foot. Photo courtesy of Google Maps.

Often overshadowed by its record-breaking prices for lab properties, Cambridge’s office market ranked among the nation’s priciest in 2019.

With average investment sales of $1,074 per square foot, Cambridge trailed only Silicon Valley, Manhattan’s Plaza District and Santa Monica, California, according to a report by Commercial Cafe.

Two downtown Boston submarkets ranked 16th and 21st with average prices of $664 and $529 per square foot.

Statewide, Massachusetts ranked sixth with average prices of $260 per square foot, compared with the national average of $223. 

The report analyzed office transactions larger than 25,000 square feet that closed between Jan. 1 and Dec. 31, 2019.