According to Doris Duhamel-Labbe of REI Service Corp., the listing broker of 280 Pleasant St., Concord Allergy, P.L.L.C. leased Unit #2 consisting of 1,971 s/f of medical office space for a term of five years. Duhamel-Labbe represented the landlord, 280 Pleasant St., LLC. Joe Eggleston of Dumont Property Group represented the tenant. The 12,000 s/f building is now 100% occupied and is managed by REI Service.