All states
Massachusetts
2 layers of parcels and buildings, each tested with our export code. The national base map (roads, water, buildings) is offered everywhere too.
Open the map| Area | Layers | Checked | Map |
|---|---|---|---|
| Statewide | ParcelsBuildings | 3 Nov 2026 | Map |
Terms, checks and service URLs for every layer
Statewide
ParcelsChecked 3 Nov 2026
- What it is
- Massachusetts Property Tax Parcels (MassGIS Level 3). Assessor FY2018-FY2027 depending on town; layer edited 2026. Assessor tax parcels, not legal boundaries or a survey.
- Publisher
- MassGIS (Commonwealth of Massachusetts Bureau of Geographic Information)
- Checked
- Fetched by our export code on a ~300 m test site on 3 November 2026: 150 features. See it on the map
- Terms
- Public; attribution: MassGIS (Bureau of Geographic Information)
- Note
- Coverage is the extent the publisher declares; the layer was too large to measure.
- Layer URL
Building footprintsChecked 3 Nov 2026
- What it is
- MassGIS Building Structures (2D). Roofprints from 2011-12 orthos plus 2002-11 LiDAR; updated with 2019, 2021, 2023 and 2025 imagery; layer updated May 2026
- Publisher
- MassGIS (Bureau of Geographic Information)
- Checked
- Fetched by our export code on a ~300 m test site on 3 November 2026: 22 features. See it on the map
- Terms
- Public; MassGIS open data, no license restrictions stated (credit: MassGIS, City of Boston)
- Note
- Coverage is the extent the publisher declares; the layer was too large to measure.
- Layer URL
“Checked” means fetched by our export code on a test site. How we check · Data credits. Most local layers were found through Basesheet's source list (Copyright (c) 2026 Hunter Hillman, MIT License), then re-checked by us.