Calcagni Real Estate is Celebrating Fall This Weekend! 9 years ago Calcagni in the Community, Calcagni Real Estate, Celebrate Wallingford, Fall Festival, Southington Apple Harvest Festival, Southington Real Estate, Wallingford Real Estate 0 Calcagni Real Estate is celebrating FALL this weekend!.. Look for our Calcagni Booth at this weekend’s Celebrate Wallingford & the Southington Apple Harvest Festival! We’re going to have some fun things planned, plus prize giveaways!