A healthy 38,000 square feet of industrial space sold or leased during the fourth quarter, according to Colliers data. Vacancy fell to a mere 1.3 percent, compared to 2.4 percent a year ago. Industrial lease rates ratcheted up a penny to 80 cents a square foot.Main EventsBlackstone Group sold a portfolio of two apartment buildings in Lancaster for $145 million. Cordova Park Apartments at 43530 Gadsden Ave. has 416 units, and the Sierra Heights at 43519 Kirkland Ave. has 314. L.A.-based Afton Properties was the buyer.The refrigerated warehouse at 742 W. Avenue L in Lancaster sold for $6.5 million to the family trust of John Paul DeJoria, co-founder of the Paul Mitchell haircare line. Visco Financial in Lancaster was the seller.Courtyard Apartments at 38675-387078 12th St. E. in Palmdale sold to an unnamed buyer for $5.8 million.