Blog
Product notes
What’s new in Stratum and how to use it on a real site.
See where Boston buildings were last permitted, on one map
Stratum’s permit heat map colors Boston buildings by years since their last significant permit, from City of Boston approved permit data. Watch the 44-second guide.
Teardown and rebuild: compare existing and proposed massing in 3D
Mark an existing Boston house To be demolished, sketch a new footprint with a stepped-back top floor, and compare existing, proposed and built-out massing in 3D. Watch the 55-second guide.
Boston zoning and nearby precedents, together on the Map
Bring Boston zoning-viewer layers, assessor information, ZBA decisions and BPDA Article 80 records into one research view. Watch the 47-second Map guide and try it free.
Check any Boston parcel’s zoning in 60 seconds, free
Type an address and Stratum shows the zoning, what exists on the lot and nearby ZBA decisions on one map. Try up to three properties with no account.
Zoning, assessor data and ZBA precedents for any Boston parcel, in one panel
Stratum now pulls the zoning limits, measured existing conditions and nearby ZBA and Article 80 decisions for a Boston parcel into one place, with precedents mapped around the site.
Generate concept: from unit counts to a checked building concept
Enter unit counts and Stratum fits a building concept inside the zoning envelope, shows what didn’t fit, flags what it can’t check, and places it on your canvas.