The parcel has frontage of 230 ft. on Winchester and over 800 ft. on Card Avenue Ext., currently a paper street. RM zoning means Residential-Medium Density. If a subdivision were to be contemplated, the Haverhill Planning Office would have to be involved to work out how the paper street would be converted, unless access was to be through the lot facing Winchester. FYI: min. lot = 20K sf, 150' frontage, 100' depth, 25' setback, 15' sidelines, 30' rear, 35' max highth, 2.5 stories high limit.
This property is off market, which means it's not currently listed for sale or rent on Zillow. This may be different from what's available on other websites or public sources.