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№ 225 Case Study — Real Estate

A missing survey and a well on the wrong side

Nine days before closing on their rural building lot near Brockville, a couple learned no survey existed and the well appeared to cross onto the neighbour's land.

Real Estate9 min readBrockville, OntarioNo survey available at closing
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ClientDanielle and Rejean, a couple buying a rural lot near Brockville to build their first home
The issueNo survey existed for the rural lot, and preliminary mapping suggested the well might sit over the boundary line
ServiceObtained a compliance letter in place of a new survey and assembled historical records to resolve the boundary question
ResolutionThe purchase closed on the original date with the well confirmed on the correct side of the line and no new survey required

The situation

Nine days before closing, Danielle got a call from her real estate agent that started with an apology. There was no survey for the lot. Danielle and her partner Rejean had agreed to buy just over three acres outside Brockville from a man named Mateo, who had owned the land for eleven years and always meant to have it surveyed but never had reason to. The property had a drilled well, a small barn, and a driveway that had been there long enough that nobody remembered who put it in.

Danielle worked as a personal support worker and Rejean as a letter carrier, and they had spent two years saving toward this specific plan: buy the land, live in a trailer on it for a season, and build a modest house themselves with help from Rejean's brother, a contractor. The purchase price sat under half a million dollars, most of it financed, and their lender had approved the mortgage on the condition that title insurance would be in place at closing, standard practice when no survey exists.

The title insurer's preliminary review, based on the legal description and older assessment mapping rather than any actual survey, raised a flag: the drilled well appeared to sit close enough to the boundary with the neighbouring lot that it might, on paper, cross onto the neighbour's side. If that turned out to be true, it would need to be addressed, either through an agreement with the neighbour, a survey to establish the actual line, or some other fix, before the insurer would issue a policy without an exception for it.

Mateo had no updated survey to offer and, at his stage of the sale, little appetite to pay for one on a nine-day timeline. He had priced the land to move, and a new survey in that part of the province, if a surveyor could even be scheduled that fast, would likely have taken longer than the closing date allowed and cost more than either side wanted to absorb for a boundary question that might turn out to be nothing. Danielle and Rejean's mortgage rate hold was tied to the original closing date, and pushing it back risked losing the rate they had locked in.

Danielle called our office that same afternoon, her voice tight with the particular exhaustion of someone who had already stretched a modest budget as far as it would go. She and Rejean had no cushion left for surprises. Every dollar they had saved was already allocated between the down payment, closing costs, and the first materials order for the foundation Rejean's brother was planning to pour before the ground froze. A delayed closing or a costly survey were not just inconveniences to them, they were the kind of setback that could unravel a two-year plan built on a tight, carefully tracked budget.

Where it went wrong

The core problem was one common to older rural parcels: the property had simply never been surveyed since it was severed from a larger farm decades earlier, and the legal description on title was based on measurements taken long before anyone thought to check them against modern mapping. The assessment map the title insurer used for its preliminary flag was itself imprecise, built from aerial imagery and old municipal records rather than an actual ground survey, which meant the apparent overlap with the well could easily have been a mapping artifact rather than a real encroachment.

Title insurance exists precisely to cover gaps like this one, and most Ontario purchases without a fresh survey close on the strength of a policy rather than a surveyor's stamp. But a policy is not unconditional. An insurer will typically cover unknown boundary problems that were never flagged at all, while treating a problem it already knows about, even a possible one raised by its own imprecise mapping, differently: it has to either get comfortable that the risk is not real, exclude it from coverage with an exception, or decline to insure the file until the question is answered. An exception for the well would have satisfied the insurer's paperwork but left Danielle and Rejean owning a structure the policy did not actually protect, a gap that could surface years later if the boundary question ever became a real dispute with the neighbour.

But an apparent problem still had to be resolved, not waved away, because a title insurer will not issue coverage over an unresolved boundary question just because it might be nothing. Left alone, the file was heading toward one of two outcomes: an expensive rush survey that might not even be completed before closing, or a closing delay that would put the couple's mortgage rate at risk and leave Mateo carrying a property he had already mentally sold.

We started by pulling every historical document connected to the parcel, not just the current deed. That included the original severance documents from when the lot was created, an older survey of the neighbouring property from a subdivision approval two decades earlier that happened to show the shared boundary, and the well drilling record filed with the province at the time the well was installed, which recorded its location relative to two fixed reference points on the original lot.

Once those documents were laid out together, a clearer picture emerged. The well drilling record's coordinates, cross-referenced against the neighbouring survey's boundary line, put the well roughly four metres inside Danielle and Rejean's side of the property, well clear of the line. The assessment map that had triggered the flag had simply misplaced the boundary by a margin consistent with its known imprecision. The well had never been the problem. The map was.

What we did

  1. Requested the full underwriting file from the title insurer rather than accepting a one-line summary of the flag, to understand exactly what data had generated the boundary concern. That request confirmed the flag was based entirely on assessment mapping rather than any ground measurement, which gave us a specific, narrow target to disprove instead of a vague worry to argue against, and it meant the rest of the file could be built around answering one precise question.
  2. Called Mateo directly to explain the situation in plain terms and confirm he would cooperate with document requests, even though the legal burden of resolving the flag fell mainly on the buyers. A seller who felt blindsided or treated as an afterthought at this stage could easily have slowed everything down out of frustration alone, so keeping him informed from the outset protected the timeline as much as it protected the relationship.
  3. Pulled the original severance plan for the lot from the land registry office, establishing the legal boundaries exactly as originally set out when the parcel was first created decades earlier. Working from that original document, independent of any mapping error introduced later by assessment authorities relying on imprecise aerial data rather than an actual survey crew on the ground, gave the reconciliation a starting point the insurer could not dismiss as speculative.
  4. Located the neighbouring property's own survey buried in a subdivision approval file with the municipality from two decades earlier, which happened to show the shared boundary line from the other side and gave us a second, fully independent reference point to cross-check against the severance plan, so the conclusion did not rest on a single source anyone could later dismiss as one-sided or incomplete.
  5. Obtained the well's drilling record from the provincial well records database, a document neither Danielle, Rejean, nor Mateo had thought to look for. It included the original driller's surveyor-verified distances from the well to two fixed points on the severance plan at the time it was drilled decades earlier, which turned out to be the single most decisive piece of evidence in the entire file.
  6. Compiled the three documents into a single reconciliation, plotting the well's recorded location against both the severance plan and the neighbouring survey by hand and then digitally, and had a licensed surveyor independently review and confirm the calculation before we relied on it in any submission, since our own arithmetic carried no weight with an underwriter without a professional's sign-off behind it.
  7. Applied to the municipality for a compliance letter, confirming the structures on the property, including the well and the barn, complied with zoning setback requirements based on the reconciled boundary position. That letter mattered because it was the specific document the title insurer's own underwriting guidelines accepted as sufficient support in place of a brand-new full survey, which was the piece Danielle and Rejean's timeline could not otherwise have absorbed.
  8. Submitted the compliance letter and reconciliation package to the title insurer six days before closing, giving the underwriter time to review before the deadline rather than presenting it as a last-minute fix. That cushion mattered because underwriters routinely push back or ask follow-up questions, and building in time to answer them was what ultimately resolved the flag and cleared the way for the policy to issue without any exception for the well.

The outcome

Closing went ahead on the original date. The title insurer issued its policy without an exception for the well, and the mortgage lender released funds on schedule, preserving the rate Danielle and Rejean had locked in months earlier. No new survey was ever ordered, and the cost of the reconciliation work and compliance letter came in well under what a rush survey would have cost on the same timeline, a meaningful difference for a couple who had budgeted tightly for the purchase in the first place.

Mateo, who had been bracing for the sale to fall through or for the couple to come back demanding a price reduction, closed without either. He later said he wished he had commissioned a survey years earlier just to avoid the scramble, though he also acknowledged that without an actual reason to need one, most rural owners in his position never do. Danielle said afterward that the week between the initial call and the resolution was the worst of the whole process, worse even than the search for the land itself, because for several days it genuinely looked like they might lose either the property or the mortgage rate they had built their whole plan around.

The couple kept a copy of the reconciliation package with their other closing documents, on the recommendation that if they or a future owner ever do commission a full survey, it will be useful to have the historical reasoning on hand. Rejean's brother broke ground on the house foundation that same fall, on a site everyone involved could now say with confidence sat entirely on the right side of the line. Danielle still keeps the well drilling record in the same folder as the mortgage papers, calling it, only half joking, the most important piece of paper in the whole file.

What you can learn from this

  • A rural property with no survey is common, not automatically a dealbreaker. Title insurers often have alternatives, including compliance letters and historical record reconciliation, that can resolve a boundary concern without a costly new survey.
  • An assessment map used for a preliminary title flag is often imprecise. Before assuming the worst, find out whether the concern is based on an actual survey or a rougher mapping source.
  • Old records, severance plans, neighbouring surveys, well drilling logs, can substitute for a current survey when pieced together carefully and checked by a licensed surveyor.
  • If a closing deadline is tied to a mortgage rate hold, flag that constraint early to everyone involved. It changes which solutions are realistic and which ones cost more time than they are worth.
  • When a title problem surfaces close to closing, get the underlying data before reacting to the conclusion. Understanding exactly what triggered a flag is often the fastest route to resolving it.
This case study is entirely fictional. It does not describe any real client, file, or matter handled by Treadstone Law, and it is not a real file with details changed. All names, people, properties, businesses, dollar amounts, dates, and events are invented, and any resemblance to a real person, business, or situation is coincidental. Fictional scenarios like this one illustrate the kinds of legal issues people in Ontario commonly face and how a lawyer can help. They are general information, not legal advice — no two matters unfold the same way, and nothing here predicts the outcome of any real case. Reading a case study does not create a lawyer-client relationship. If you are facing something similar, speak with a lawyer about your specific circumstances.

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