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. Skranda Surveying
• A.G. Benniger
• Abrey, G.B. (PLS)
• Al Karklins
• Alfred Cook
• Anderson, R.M.
• Arthur Death & Associates
• B.J. Haynes
• B.J. Stassen Limited
• Bacham, Douglas R
• Baird & Mucklestone
• Baird, W.J.
• Barber, Frank & Associates
• Barber, Wynne, Roberts & Seymour
• Beaston, J.C.
• Bill Brick
• Bill Daniels OLS
• Black & O'Connell Limited
• Blain Martin Surveying Ltd.
• Blake, F.L.
• Bradstock, Harold Stanley
• Briggs, Thomas E
• Brodie and Gardiner
• Brown, Donald H
• Browne, W.A.
• Bruce I. McMurchy OLS
• Butterfield, J.E.C.
• C. E. Dotterill
• C.J. Manser
• Carmichael & McBain
• Carmichael William C.
• Carter Horwood Limited
• CDN Land Surveyors Inc.
• Charles Murphy
• Charles Unwin
• Coleman R.H
• Consoli and Rabideau Limited
• Consoli Guido Limited (Toronto)
• Cook & Dunning
• Cook, A
• Currie, H.D.G.
• Czerwinski Investments
• Czerwinski, T Surveying Limited
• D. D. James
• D. H. Black Surveying Ltd.
• D. Wandabense
• D.D. Brouse
• D.D. James
• D.D. Ostapiak
• D.H. Black Limited
• D.H. Galbraith, OLS
• David Horwood Ltd.
• Death Mclean and Murchy (Partial)
• Death, A (Partial)
• Dennis & Gossage
• Diego Fazio Ltd.
• Dino Astri Surveying Ltd.
• Donald Brown Surveying Inc.
• Donald P. McLean OLS
• Duncan Ashworth Surveying Ltd.
• Dunning & Taylor Limited OLS
• Dunning, J.R.
• E.W. Petzold OLS (Peel)
• Edward Carter
• Edward Taylor
• Elins, M
• Eplett Worobec Raikes Surveying Ltd.
• Ernest Biason (Brampton)
• Ertl Surveyors
• Esten, H.L.
• Fazio and Papa Limited
• Fenton, J.F.
• Force Robert T.
• Forhit and Gutri
• Foster, F.L.
• Galbraith Vollick Surveyors
• Gaviller, M
• Gerhard Becker
• Gibson, D. (PLS)
• Gibson, P.S.
• Gibson, W.S.
• Gibson, W.S. & Sons Ltd.
• Gilbert, F.A.
• Glenday Surveying Inc.
• Grant, R.R.
• Greenless, A.H.
• Gret, J.C. (PLS)
• H. John Hunt
• H.B. Proudfoot (Partial)
• H.C. Halverson
• H.J. & W.A. Browne (Partial)
• H.J. Browne (Partial)
• Hanes, B.J.
• Hanning , C.G.
• Hanning Murphy & Esten
• Harton and Haynes (Toronto)
• Henry J. Gerrits Surveying Ltd.
• Horace L. Seymour
• Horton & Haynes (GTA)
• Horton & Wallace (Partial)
• Horton Carr & Haynes (Toronto)
• Hwang, J.S.
• 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
• James, Rubidge and Wanadabense
• James, S
• James, Wanadabense and Mcgregor (Partial)
• John McSkimming OLS
• Kains, T
• Kalman Papp
• Kirking A. Surveying
• Kitto & Death (Partial)
• Kitto, F.H.
• Koning, J
• Krcmar Surveyors Ltd.
• Land Survey Group Inc.
• Lanzon, S.
• Larke, J.R.
• Leeper, R.P. (Toronto)
• Leith, J.M.
• Leith, J.S
• Llyod, N.C.
• Loginsky, L.S.
• Lyon, C.R.
• M.C. Halverson
• M.D. Brown
• Manser, C.J.
• Marvin Chau
• Maughan, R.G.
• McBain & Carmichael Ltd.
• McBain & Hulme
• McBain & Wicken
• McBain, Hulme, Millesse & Burton
• McBain, Hulme, Millesse, Carmichael & Burton
• McBain, Millesse, Carmichael & Burton
• McBain, R.H.
• McConnell & Jackson
• McConnell, Maughan Limited (Toronto)
• Mckechnie, S (Toronto)
• Mclean, D.P.
• McLean, McMurchy & Biason
• McMullen, W.E.
• McNabb, J.C.
• McSkimming
• McSkimming & Paul Surveying Ltd.
• McSkimming, J
• Michael J. Clancy Surveying
• Millesse & Burton
• Moyles, Norman
• Mucklestone, J.K.
• Murphy & Esten
• Murphy, C.J.
• Murray, Richard W.
• Ostapiak, D
• P. Salna Company Ltd.
• Passmore, F.F. (PLS)
• Paul R. Kitchen Surveying Ltd.
• Paul Ralph
• Peter Pavlin
• Peter T. Raikes
• Petzold & Brouse
• Petzold & Skranda Ltd.
• Petzold and Skranda
• Plaxton, William J
• Proudfoot, H.B.
• R.B. Lawryshyn
• R.C. Raikes Ltd.
• R.D. Tomlinson Ltd.
• R.H. McBain
• R.R. Welsman
• R.T. Stevenson (Partial)
• Rabideau & Czerwinski Limited
• Rabideau R.C. Surveying Limited
• Raiend, Valdek Limited
• Ralph Paul OLS
• Rentis, G
• Reuben & Ellins
• Reuben Reuben Leeper and Ellins
• Reuben, A.E.
• Reuben, C and Son
• Reuben, C.G.
• Richard Murray
• Robert Stephenson OLS
• Robert T. Force
• Roy C. Kirkpatrick Ltd.
• Rubidge W.F.B (Partial)
• Rudy Mak Surveying Ltd.
• S. James
• S. McKechnie Surveying (Toronto)
• Sankey, V
• Scott, A.B. (PLS)
• Scott, R. Ray Ltd.
• Selby, H.W.
• Sewell, H.C.
• Sewell, R.G. (Toronto)
• Silvera, R.A.H.
• Skandra A. Surveying
• Smith, J.A.
• Speight & van Nostrand Ltd.
• Speight van Nostrand & Gibson Limited
• Speight van Nostrand Ward Anderson
• Stewart McKechnie OLS (Partial)
• Tate, H.W.
• Thistle, W.R.
• Tom Drzic Limited
• 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.
• Unwin, Browne and Sankey
• Unwin, C
• Valdek Raiend Ltd.
• van Nostrand, A.J.
• van Nostrand, J.
• 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
• Wadsworth, Unwin and Browne
• Wadsworth, W.B.
• Wandabense & McGregor
• Wandabense, D
• Ward, A.T.
• Weaver, W.F.
• Webb, A.C. (PLS)
• Wikcen, J.E.
• Wilde, Brodie and Gardiner
• Wilde, H.S.
• Wildman Rhodes & Assoc.
• Wildman, W.N.
• William J. Daniels
• Winarski, p.m. (Partial)
• Winters and Ireson
• Winters, Maughan and Glenday
• Winters, W.S.
• Wm. Jackson Surveying Ltd.
• Wong, Mino B
• Woodsworth & Unwin