The median sales price for homes in Westfield NJ for Aug 13 to Nov 13 was $639,500. This represents a decline of 12.1%, or $88,000, compared to the prior quarter and an increase of 7.5% compared to the prior year. Sales prices have appreciated 0.7% over the last 5 years in Westfield. The average listing price for Westfield homes for sale on Trulia was $945,480 for the week ending Nov 27, which represents a decline of 2.8%, or $26,819, compared to the prior week and an increase of 4.2%, or $38,432, compared to the week ending Nov 06. Average price per square foot for Westfield NJ was $55,505, an increase of 999.9% compared to the same period last year.