Demonstration only. This is not an official Commonwealth website or an active portal to the Division of Standards — do not use it for official business. Any licenses, filings, complaints, or payments submitted here are not real. Public data sourced from the DOS 2023 Annual Report and MyLicense verification portal.
Public site
MA
1788
Demo built for:
Commonwealth of Massachusetts · Office of Consumer Affairs & Business Regulation
Division of Standards
Municipal sealer portal

The sealer network

351 Massachusetts cities and towns coordinate weights & measures work through DOS. Sealers test scales, pumps, and scanners; the Division trains, certifies, and supports them.

188
Certified sealers
22
New sealers in 2023
209,896
Devices tested (sealers)
2,874
2023 sealer inspections
5 municipalities haven't filed their 2023 Sealer Annual Report
Boxborough, Dedham, Mansfield, Milton, Seekonk. Sealers in these towns should file immediately to remain in compliance with M.G.L. c. 98 § 37.
Statewide sealer coverage
Sealer directory
24 of 188 certified sealers
Boston
Frank Chin
2023 report filed
Appointed 2016 · 11,482 devices in service
Large capacity scalesMotor fuelPrice verification
sealer@boston.gov(617) 635-5345
Worcester
Maria Delgado
2023 report filed
Appointed 2019 · 4,211 devices in service
Small scalesMotor fuelUnit pricing
sealer@worcesterma.gov(508) 799-1175
Springfield
Kevin O'Brien
2023 report filed
Appointed 2014 · 3,804 devices in service
Vehicle tank metersPropane
sealer@springfield-ma.gov(413) 787-6030
Lowell
Linh Nguyen
2023 report filed
Appointed 2022 · 2,168 devices in service
Small scalesScanner waiver
sealer@lowellma.gov(978) 674-1410
Cambridge
Alicia Bernard
2023 report filed
Appointed 2018 · 2,942 devices in service
Small scalesScanner waiverUnit pricing
sealer@cambridgema.gov(617) 349-6140
Quincy
Robert Caruso
2023 report filed
Appointed 2010 · 1,841 devices in service
Large capacity scalesMotor fuel
sealer@quincyma.gov(617) 376-1480
Newton
Priya Ramanathan
2023 report filed
Appointed 2020 · 1,562 devices in service
Small scalesPrice verification
sealer@newtonma.gov(617) 796-1081
Salem
Thomas DiNapoli
2023 report filed
Appointed 2015 · 1,197 devices in service
Motor fuelUnit pricing
sealer@salem.com(978) 745-9595
Pittsfield
Ellen Wozniak
2023 report filed
Appointed 2012 · 987 devices in service
Small scalesPropane
sealer@cityofpittsfield.org(413) 499-9428
Barnstable
Nathan Welles
2023 report filed
Appointed 2019 · 1,133 devices in service
Motor fuelSmall scales
sealer@town.barnstable.ma.us(508) 862-4672
Provincetown
Margaret Delano
2023 report filed
Appointed 2021 · 142 devices in service
Transient vendor inspections
sealer@provincetown-ma.gov(508) 487-7020
Framingham
Paul Rossi
2023 report filed
Appointed 2017 · 2,418 devices in service
Large capacity scalesScanner waiver
sealer@framinghamma.gov(508) 532-5560
Amherst
Sarah Beaulieu
2023 report filed
Appointed 2023 · 612 devices in service
Small scales
sealer@amherstma.gov(413) 259-3080
Plymouth
Alan O'Donnell
2023 report filed
Appointed 2011 · 1,482 devices in service
Motor fuelMarine measures
sealer@plymouth-ma.gov(508) 747-1620
Lawrence
Yésica Peña
2023 report filed
Appointed 2018 · 1,741 devices in service
Small scalesPrice verification
sealer@cityoflawrence.com(978) 620-3320
Brookline
David Mackenzie
2023 report filed
Appointed 2013 · 1,328 devices in service
Unit pricingScanner waiver
sealer@brooklinema.gov(617) 730-2171
Revere
Bruno Alves
2023 report filed
Appointed 2020 · 1,091 devices in service
Motor fuelSmall scales
sealer@revere.org(781) 286-8168
Somerville
Jane Fitzgerald
2023 report filed
Appointed 2019 · 1,672 devices in service
Small scalesPrice verification
sealer@somervillema.gov(617) 625-6600
Northampton
Carlos Mendoza
2023 report filed
Appointed 2022 · 834 devices in service
Small scalesMotor fuel
sealer@northamptonma.gov(413) 587-1240
Boxborough
— pending appointment —
Missing report
townadmin@boxborough-ma.gov(978) 263-1116
Dedham
— pending appointment —
Missing report
towndedham@dedham-ma.gov(781) 751-9100
Mansfield
— pending appointment —
Missing report
townadmin@mansfieldma.com(508) 261-7370
Milton
— pending appointment —
Missing report
selectboard@townofmilton.org(617) 898-4843
Seekonk
— pending appointment —
Missing report
townadmin@seekonk-ma.gov(508) 336-2920
Sealer Certification
Written + field examination administered twice yearly. 22 new sealers certified in 2023.
Open
Metrology Lab calibration
Schedule your weight-kit calibration. Echelon III, NIST-certified. Typical 10-day turnaround.
Open
Handbook 44 & Handbook 130
Current NIST reference handbooks for weights & measures inspections.
Open
Standing Advisory Committee

The Commissioner-chaired Standing Advisory Committee is made up of designees from the Massachusetts Weights & Measures Association, the Eastern and Western regional associations, and the City of Boston's Department of Inspectional Services. It sets certification standards and continuing-education requirements for sealers and deputy sealers.

Committee agendas & minutes