Articles
Field notes on building-permit data across every state we cover — county deep-dives, permit-type explainers, and outreach tactics for service businesses. New articles publish regularly. For step-by-step guides by buyer niche, see the Playbook.
Do You Need a Shoreland Permit in New Hampshire?
Building, digging or filling within 250 feet of a big lake, river or tidal water in New Hampshire needs a state shoreland permit, on top of the town's.
Massachusetts Egress Window Permits: When One Is Required
An egress window cut needs a building permit in Massachusetts. Only 36 of 1,100 basement-finish permits in our file say egress, so search for the bedroom.
Do You Need a Permit for a Shed in Massachusetts?
Massachusetts exempts a one-story detached shed of 200 square feet or less from a building permit. Zoning, wetlands and wiring rules still apply.
Can You Do Your Own Wiring or Plumbing in New Hampshire?
New Hampshire lets homeowners wire, plumb and fit gas in their own house, under three different rules. None of them waives the town permit or inspection.
Massachusetts Roofing Permits Peak in October
October 2025 was the busiest roofing month in our 18-month Massachusetts cut. Weekly filings hold until Thanksgiving, then fall to a quarter by February.
Heat Pump Adoption by Town: Massachusetts Permit Data
Heat-pump records per boiler record in 25 Massachusetts towns, and how the ranking moved in 2026: Somerville fell, Easthampton and Hingham climbed.
New Hampshire Mechanical Permits: Boilers Triple in Fall
Concord, New Hampshire boiler permits ran 2.4 times faster from September to December 2025 than in the eight months before. Heat pumps barely moved.
Massachusetts Heating Season: The Boiler Permit Clock
Heat is required from September 16. Our 19-month cut shows furnace and boiler permits double from October, while heat-pump permits peak in June.
Massachusetts Winter Moratorium Dates: 21 Towns Mapped
No statewide date exists. Posted street-opening close and lift dates for 21 Massachusetts towns, from Natick's Nov 1 cutoff to Lexington's Patriots' Day.