Building Permits & Contractor Leads in Williamstown, MA
Building permits are filed in Williamstown, Western MA every week — new roofs, solar, additions, kitchens, HVAC and more. Below is a live preview of the 225 most recent. MassPermits turns every one into a ready-to-work lead with the exact address, owner, contractor and project type.
📰 Weekly Williamstown permit briefs — what got filed, every Monday.
Solar · 2026-01-28 Solar · 2026-01-28 HVAC · 2026-01-30 HVAC · 2026-02-11 Solar · 2026-02-24 Solar · 2026-02-26 Solar · 2026-02-27 Solar · 2026-02-27 Demolition · 2026-03-11 Demolition · 2026-03-11 Demolition · 2026-03-11 Demolition · 2026-03-11 Demolition · 2026-03-14 Demolition · 2026-03-15 Demolition · 2026-03-15 Gas · 2026-03-19 Building · 2026-03-20 Building · 2026-03-26 Building · 2026-03-30 Building · 2026-03-30 Pool/Spa · 2026-03-30 Gas · 2026-03-31 Pool/Spa · 2026-04-01 Pool/Spa · 2026-04-01 HVAC · 2026-04-03 Gas · 2026-04-06 HVAC · 2026-04-06 HVAC · 2026-04-08 Building · 2026-04-09 Demolition · 2026-04-09 HVAC · 2026-04-09 Demolition · 2026-04-10 Building · 2026-04-14 Deck/Porch · 2026-04-15 Deck/Porch · 2026-04-15 HVAC · 2026-04-16 Demolition · 2026-04-17 Deck/Porch · 2026-04-17 HVAC · 2026-04-17 HVAC · 2026-04-18 Gas · 2026-04-20 Gas · 2026-04-21 Solar · 2026-04-22 HVAC · 2026-04-22 Deck/Porch · 2026-04-23 Gas · 2026-04-24 Building · 2026-04-24 Building · 2026-04-24 Demolition · 2026-04-24 Demolition · 2026-04-26 Demolition · 2026-04-28 Demolition · 2026-04-28 Solar · 2026-04-29 Gas · 2026-04-30 Gas · 2026-04-30 HVAC · 2026-05-05 Gas · 2026-05-06 Gas · 2026-05-07 Gas · 2026-05-07 HVAC · 2026-05-07 Gas · 2026-05-08 Demolition · 2026-05-08 Gas · 2026-05-12 Deck/Porch · 2026-05-12 Deck/Porch · 2026-05-12 HVAC · 2026-05-12 Gas · 2026-05-13 Demolition · 2026-05-13 Deck/Porch · 2026-05-13 Pool/Spa · 2026-05-13 Pool/Spa · 2026-05-14 Demolition · 2026-05-15 Demolition · 2026-05-15 Deck/Porch · 2026-05-15 Gas · 2026-05-18 Demolition · 2026-05-18 Gas · 2026-05-20 Deck/Porch · 2026-05-20 Demolition · 2026-05-21 Solar · 2026-05-21 HVAC · 2026-05-21 Deck/Porch · 2026-05-25 Solar · 2026-05-27 HVAC · 2026-05-27 HVAC · 2026-05-27 Gas · 2026-05-28 Plumbing · 2026-05-28 Solar · 2026-05-29 Gas · 2026-06-01 Plumbing · 2026-06-01 Plumbing · 2026-06-01 Building · 2026-06-01 Building · 2026-06-01 HVAC · 2026-06-01 Demolition · 2026-06-02 Solar · 2026-06-02 Building · 2026-06-02 Building · 2026-06-02 Building · 2026-06-03 HVAC · 2026-06-03 Building · 2026-06-04 Building · 2026-06-05 Plumbing · 2026-06-08 Plumbing · 2026-06-08 Building · 2026-06-08 Pool/Spa · 2026-06-08 Plumbing · 2026-06-09 Plumbing · 2026-06-09 Building · 2026-06-09 Deck/Porch · 2026-06-10 Roofing · 2026-06-10 Roofing · 2026-06-10 Roofing · 2026-06-10 Solar · 2026-06-10 Electrical · 2026-06-11 Deck/Porch · 2026-06-11 Deck/Porch · 2026-06-11 Gas · 2026-06-12 Electrical · 2026-06-12 Plumbing · 2026-06-12 Electrical · 2026-06-16 Roofing · 2026-06-16 Roofing · 2026-06-16 Building · 2026-06-16 HVAC · 2026-06-16 Electrical · 2026-06-17 Plumbing · 2026-06-17 Plumbing · 2026-06-17 Roofing · 2026-06-17 Building · 2026-06-17 Electrical · 2026-06-18 Deck/Porch · 2026-06-18 Roofing · 2026-06-18 Building · 2026-06-18 Building · 2026-06-19 Roofing · 2026-06-21 Gas · 2026-06-22 Electrical · 2026-06-22 Electrical · 2026-06-22 Plumbing · 2026-06-22 Building · 2026-06-22 Demolition · 2026-06-22 Building · 2026-06-22 Electrical · 2026-06-23 Roofing · 2026-06-23 Plumbing · 2026-06-24 HVAC · 2026-06-24 Electrical · 2026-06-25 Electrical · 2026-06-25 Building · 2026-06-25 Roofing · 2026-06-25 Roofing · 2026-06-25 Solar · 2026-06-25 Solar · 2026-06-25 Demolition · 2026-06-25 Gas · 2026-06-26 Roofing · 2026-06-26 Building · 2026-06-26 Plumbing · 2026-06-29 Plumbing · 2026-06-29 Plumbing · 2026-06-29 Plumbing · 2026-06-29 Demolition · 2026-06-29 Building · 2026-06-29 Electrical · 2026-06-30 Plumbing · 2026-06-30 Building · 2026-06-30 Solar · 2026-06-30 Building · 2026-06-30 Electrical · 2026-07-01 Electrical · 2026-07-01 Roofing · 2026-07-01 Building · 2026-07-01 Building · 2026-07-06 Demolition · 2026-07-06 Deck/Porch · 2026-07-06 Solar · 2026-07-06 Electrical · 2026-07-07 Roofing · 2026-07-07 Roofing · 2026-07-07 Building · 2026-07-07 Electrical · 2026-07-08 Electrical · 2026-07-08 Deck/Porch · 2026-07-08 Solar · 2026-07-08 HVAC · 2026-07-08 Electrical · 2026-07-09 Roofing · 2026-07-09 Roofing · 2026-07-09 Building · 2026-07-09 Building · 2026-07-09 Building · 2026-07-09 Plumbing · 2026-07-10 Plumbing · 2026-07-10 Roofing · 2026-07-10 Electrical · 2026-07-13 Plumbing · 2026-07-13 Demolition · 2026-07-13 Deck/Porch · 2026-07-13 Roofing · 2026-07-13 HVAC · 2026-07-13 Electrical · 2026-07-14 Electrical · 2026-07-14 Plumbing · 2026-07-14 Plumbing · 2026-07-14 Demolition · 2026-07-14 Roofing · 2026-07-14 Roofing · 2026-07-14 Building · 2026-07-14 HVAC · 2026-07-14 Gas · 2026-07-15 Electrical · 2026-07-15 Demolition · 2026-07-15 Deck/Porch · 2026-07-16 Roofing · 2026-07-16 Demolition · 2026-07-16 Electrical · 2026-07-17 Electrical · 2026-07-17 Plumbing · 2026-07-17 HVAC · 2026-07-17 HVAC · 2026-07-17 Building · 2026-07-20 Every dot is a real permit filed in Williamstown — positioned where it was filed, sized by how recently. Filing activity by week in Williamstown 3 permits 1 permits 4 permits 7 permits 3 permits 1 permits 7 permits 7 permits 8 permits 10 permits 5 permits 7 permits 12 permits 7 permits 7 permits 14 permits 19 permits 16 permits 22 permits 15 permits 22 permits 26 permits 2 permits Permit volume per week. Reaching an owner the week they file is what wins the job — after that they have already chosen someone.
What Williamstown is building Building 37
Demolition 29
HVAC 26
Electrical 24
Plumbing 23
Roofing 22
Gas 22
Get the full Williamstown permits list Exact addresses, contractor & owner details, and a sortable file — plus a free sample so you can see the quality first.
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One-time lead pack $49 · Weekly feed $99/mo
Most recent permits in Williamstown Issued Trade Street 2026-07-20 Electrical Spring Street 2026-07-20 Building Hopkins Hall Drive 2026-07-17 Electrical Main Street 2026-07-17 Electrical Henderson Road 2026-07-17 Plumbing Hopkins Hall Drive 2026-07-17 HVAC Main Street 2026-07-17 HVAC Hopkins Hall Drive 2026-07-16 Deck/Porch Harrison Avenue 2026-07-16 Roofing North Street 2026-07-16 Demolition Sloan Rd 2026-07-15 Gas Cluett Drive 2026-07-15 Electrical Petersburg Road 2026-07-15 Demolition Harrison Avenue 2026-07-14 Electrical Oblong Road 2026-07-14 Electrical White Oaks Rd 2026-07-14 Plumbing Park Street 2026-07-14 Plumbing Water Street 2026-07-14 Demolition Henderson Road 2026-07-14 Roofing Meadow St 2026-07-14 Roofing Simonds Road 2026-07-14 Building Main Street 2026-07-14 HVAC Bridges Road 2026-07-13 Electrical Southworth Street 2026-07-13 Plumbing Bridges Road 2026-07-13 Demolition Green River Road
House numbers masked and contractor names withheld in this public preview. The full list — exact address, owner/contractor, and a sortable file — is in the lead pack.
By trade in Williamstown Nearby towns Amherst · East Longmeadow · West Springfield · Springfield · Ware · Agawam · Northampton · Westfield
FAQ How many building permits were issued in Williamstown, MA? Our dataset currently holds 225 recent building permits for Williamstown, led by building.
How do I get Williamstown building permit leads? MassPermits delivers Williamstown permits as a sortable lead list with address, owner and project type. Start with a free sample at masspermits.com, then a one-time pack is $49 or a weekly feed $99/mo.
Where does the permit data come from? Public municipal building-permit records, compiled and structured for contractors.