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John O'Mahony — building permits in Massachusetts

John O'Mahony is a residential builder active in Massachusetts with 167 building permits on record across PermitFocus coverage.

Permits (last 12mo)
109
Residential issued
All-time permits
167
In our coverage
Counties active
1
In last 12mo
License entities
0
Single license

Permit counts hidden. Start a 7-day free trial to reveal exact numbers, see 24-month trends, and compare builders side by side.

24-month permit-pull velocity

Monthly permit volume bars + 3-month rolling-average line. Last 3 months in orange. A rising line means accelerating activity; a falling line means contraction.

20 0 Jul '24Jan '25Jul '25Jan '26Jun '26

Top markets for John O'Mahony

Counties where John O'Mahony is most active. Click any county for the full local market dashboard.

  1. Suffolk County, MA167 permits

About John O'Mahony for trades & suppliers

If you sell lumber, roofing, HVAC, plumbing, concrete, doors and windows, paint, or flooring into new single-family construction in Massachusetts, John O'Mahony is a potential account. Full permit history, DBPR contact info, drive-time catchment, and weekly digest alerts are inside the dashboard.

Frequently asked questions

Where does John O'Mahony build?

John O'Mahony is most active in Massachusetts, pulling residential building permits across 1 county. Top markets include Suffolk County, MA. See the full county list above.

How many building permits has John O'Mahony pulled?

John O'Mahony is active across 1 county in Massachusetts. Exact 12-month and all-time permit counts, plus 24-month pull velocity, are available with a free 7-day PermitFocus trial.

Is John O'Mahony a good account for building-materials suppliers?

If you supply lumber, roofing, HVAC, plumbing, concrete, doors and windows, or flooring into new single-family construction in Massachusetts, John O'Mahony is a potential account active across 1 county. PermitFocus provides permit history, contact info, and outreach tracking.

How do I get contact information for John O'Mahony?

PermitFocus provides license details and contact information for John O'Mahony inside the dashboard. Start a free trial to access builder contact info, permit-by-permit history, and sibling licenses.

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