Wallace B. Lang Professional Corporation is a law firm serving Lambton County from offices in Petrolia and Watford, Ontario. The firm's areas of focus are real estate, wills and estates, oil and gas, and corporate law, and it offers complimentary consultations and notarization services.

Good to know

A person using a wheelchairAccessible parkingA calendar with a checkmark beside a clockBy appointment

Fees & payment

A clipboard with a speech bubble and a no-charge dollar coinFree consultation

Offices 2

4245 Petrolia Line, Petrolia, ON

5290 Nauvoo Road, P.O. Box 449, Watford, ON N0M 2S0

Is this your firm?

Fix or remove this listing, or add a free listing badge

Something wrong with this listing? Tell us and we’ll hide it right away while we review your request, then correct it or take it down.

Add your free listing badge

Add the free LawOnline listing badge to your website. It tells visitors you’re listed in an independent Canadian lawyer directory and links back to this profile. Being listed isn’t a certification or an endorsement, and the badge doesn’t mean we’ve checked your credentials.

LawOnline.ca Canadian Lawyer Directory listing badge

Similar firms in Lambton County (Sarnia)

Casselman Legal

1 lawyer

Casselman Legal is a law firm in Sarnia, Ontario serving Sarnia-Lambton with real estate, corporate and business law, and wills and estate planning. It also handles residential tenancies, construction law, and municip…

Real Estate LawReal Estate LawBusiness & Corporate LawBusiness & Corporate LawWills, Estates & TrustsWills, Estates & TrustsConstruction LawConstruction Law

Burns Law

1 lawyer

Burns Law is a small firm in Forest, Ontario, serving Lambton, Middlesex, Huron, and Elgin counties. It focuses on wills and estates, corporate law, and real estate, and also offers notary public and commissioner of o…

Real Estate LawReal Estate LawWills, Estates & TrustsWills, Estates & TrustsBusiness & Corporate LawBusiness & Corporate Law

Hassin Dawson Law Group (formerly Emily Hassin Law) is based in Sarnia, Ontario and serves clients across the province. The firm's stated practice areas include tax, corporate/commercial and financial services, wills …

Tax LawTax LawBusiness & Corporate LawBusiness & Corporate LawWills, Estates & TrustsWills, Estates & TrustsReal Estate LawReal Estate Law

This listing was generated by AI from public sources in July 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on the firm’s own website. Verify licence status in the Law Society of Ontario directory ↗

How this data is compiled and checked · Correct or remove this listing