About Protect Your Boundaries

Protect Your Boundaries (PYB) is the most comprehensive online resource for Greater Toronto Area (GTA) homeowners seeking the knowledge, tools and services to prevent and resolve land and property boundary issues.

PYB offers the following products and services to help you protect your property investment and enjoy an optimal homeownership experience:

• Access to existing survey plans
• Learning centre (easy-to-understand information and tools)
• Surveying services
• Online consultation

Protect Your Boundaries Inc. is a licensed member of the Association of Ontario Land Surveyors, and is entitled to provide cadastral surveying services to the public of the Province of Ontario in accordance with the provisions of the Surveyors Act R.S.O. 1990, Chapter S29.

PYB is developed in partnership with, the exclusive provider of online property search and registration in Ontario, and Land Survey Records Inc., owner of the LSR system and licensor of over 1 million Ontario survey plans, to provide you access to the single largest database of digitized land survey plans from leading GTA land survey firms.

Some of the Land Survey firms whose records are available on this site include.:

• A. Karklins Surveying
• A. Skranda Surveying Ltd.
• Alfred Cook
• Arthur Death & Associates
• B.J. Haynes
• B.J. Stassen Limited
• Barber, Frank & Associates
• Barber, Wynne, Roberts & Seymour
• Bill Brick
• Black & O'Connell Limited
• Blain Martin Surveying Ltd.
• Bruce I. McMurchy OLS
• C.J. Manser
• Carter Horwood Limited
• CDN Land Surveyors Inc.
• Charles Murphy
• Charles Unwin
• Cook & Dunning
• D. Wandabense
• D.D. Brouse
• D.D. James
• D.D. Ostapiak
• D.H. Black Limited
• D.H. Galbraith, OLS
• David Horwood OLS
• Death McLean & McMurchy
• Dennis & Gossage
• Diego Fazio Limited
• Dino Astri Surveying Ltd.
• Donald P. McLean OLS
• Duncan Ashworth Surveying Ltd.
• Dunning & Taylor Limited OLS
• E.W. Petzold OLS (Peel)
• Edward Carter
• Edward Taylor
• Eplett Worobec Raikes Surveying Ltd.
• Ernest Biason (Brampton)
• Ertl Surveyors
• Fazio & Papa Limited
• Galbraith Vollick Surveyors
• Gerhard Becker
• H. John Hunt
• H.B. Proudfoot (Partial)
• H.C. Halverson
• H.J. & W.A. Browne (Partial)

• H.J. Browne (Partial)
• Hanning Murphy & Esten
• Henry J. Gerrits Surveying Ltd.
• Horace L. Seymour
• Horton & Haynes (GTA)
• Horton & Wallace (Partial)
• Horton Carr & Haynes (Toronto)
• Ivan B. Wallace
• J. Vinklers Surveying Ltd.
• J.R. Dunning OLS
• J.S. Dennis
• James & James
• James & McGregor
• James & Wandabense
• James S.M. Hwang OLS
• John McSkimming OLS
• Kalman Papp
• Kitto & Death (Partial)
• Krcmar Surveyors Ltd.
• M.C. Halverson
• M.D. Brown
• Marvin Chau
• McBain & Carmichael Ltd.
• McBain & Hulme
• McBain & Wicken (Partial)
• McBain, Hulme, Millesse & Burton
• McBain, Hulme, Millesse, Carmichael & Burton
• McBain, Millesse, Carmichael & Burton
• McLean, McMurchy & Biason (Partial)
• McSkimming & Paul Surveying Ltd.
• Millesse & Burton
• Murphy & Esten
• P. Salna Company Ltd.
• Paul R. Kitchen Surveying Ltd.
• Peter Pavlin
• Peter T. Raikes
• Petzold & Brouse
• Petzold & Skranda Ltd.
• R.B. Lawryshyn
• R.C. Raikes Ltd.
• R.D. Tomlinson Ltd.
• R.H. McBain
• R.R. Welsman
• Ralph Paul OLS
• Robert Stephenson OLS
• Robert T. Force
• Roy C. Kirkpatrick Ltd.
• Rudy Mak Surveying Ltd.
• S. James
• S. McKechnie Surveying (Toronto)
• Stewart McKechnie OLS (Partial)
• Tom Drzic Ltd.
• Unwin & Esten
• Unwin & Miles
• Unwin & Sankey
• Unwin Browne & Sankey
• Unwin Esten & Proudfoot
• Unwin Foster & Proudfoot
• Unwin Foster Murphy & Esten
• Unwin Murphy & Esten Ltd.
• Valdek Raiend Ltd.
• Vinklers Wallace Ertl Surveyors Ltd.
• Vladimir Krcmar Ltd.
• W.A. & W.H. Browne (Partial)
• W.A. Browne (Partial)
• W.C. Carmichael
• W.D. Ratz
• W.D. Smith Surveying Ltd.
• W.F. Rubidge
• W.H. Browne
• Wadsworth & Unwin
• Wadsworth, Unwin & Browne
• Wadsworth, Unwin & Sankey
• Wandabense & McGregor
• William J. Daniels
• Wm. Jackson Surveying Ltd.
• Woodsworth & Unwin