O BRIEN GROUP

· Ayer, MA · Ayer, MA

Not enough reviews yet

Verified record

License not state-verified. We could not confirm a current registration in the state registry. Insurance is self-reported. Look up in the official Massachusetts registry ↗

Verified record

License not state-verified. We could not confirm a current registration in the state registry. Insurance is self-reported. Look up in the official Massachusetts registry ↗

A+ BBB rating

O Brien Group, based in Ayer, MA, holds an A+ grade from the Better Business Bureau.

Languages

English

Update history

Why we built Tavlee, and what goes into every rating →

No changes recorded yet — last scanned Sep 26, 2026.

What does a roof replacement cost in Greater Boston?

Typical Greater Boston range for this kind of work, from regional averages — not a quote from O BRIEN GROUP. Use it to sanity-check bids, then get the real number in writing.

Job

Roof size

A square is 100 sq ft of roof surface — bigger than the floor plan because of pitch and overhangs.

Roofing material

Estimated range

$9,000 – $18,600

Typical roofing project around $13,800

O BRIEN GROUP

· Ayer, MA · Ayer, MA

Not enough reviews yet

Verified record

License not state-verified. We could not confirm a current registration in the state registry. Insurance is self-reported. Look up in the official Massachusetts registry ↗

Verified record

License not state-verified. We could not confirm a current registration in the state registry. Insurance is self-reported. Look up in the official Massachusetts registry ↗

A+ BBB rating

O Brien Group, based in Ayer, MA, holds an A+ grade from the Better Business Bureau.

Languages

English

Update history

Why we built Tavlee, and what goes into every rating →

No changes recorded yet — last scanned Sep 26, 2026.

What does a roof replacement cost in Greater Boston?

Typical Greater Boston range for this kind of work, from regional averages — not a quote from O BRIEN GROUP. Use it to sanity-check bids, then get the real number in writing.

Job

Roof size

A square is 100 sq ft of roof surface — bigger than the floor plan because of pitch and overhangs.

Roofing material

Estimated range

$9,000 – $18,600

Typical roofing project around $13,800

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