REALTOR® profile

DIANNA MANDZUK

RE/MAX Impact Realty — 1413 KING ST E #2, COURTICE, Ontario L1E2J6

Luxury Houses specialist Multi-market
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Active listings
9
Median listing
$899,900
Top listing
$1,999,900
Active markets
5

Tracked by Real Estate Agent Finder since June 2023 · last seen with an active listing October 2026.

About our data

About our data

  • Our data comes from periodic captures of active listings — what was on the market when we looked, not a complete history. Sold and past listings aren't available to us.
  • Each listing credits the agent(s) named on it in the listing data, applied the same way for every agent.
  • We cover a defined and growing set of Canadian markets; activity outside them isn't reflected.
  • Rankings are our editorial opinion, applying stated criteria uniformly. We don't accept payment for placement and we correct verified data errors promptly — hello@realestateagentfinder.ca.

Where they rank

on Real Estate Agent Finder's data-driven boards
About our data

About our data

  • Our data comes from periodic captures of active listings — what was on the market when we looked, not a complete history. Sold and past listings aren't available to us.
  • Each listing credits the agent(s) named on it in the listing data, applied the same way for every agent.
  • We cover a defined and growing set of Canadian markets; activity outside them isn't reflected.
  • Rankings are our editorial opinion, applying stated criteria uniformly. We don't accept payment for placement and we correct verified data errors promptly — hello@realestateagentfinder.ca.

Listing activity

analyzed from live listing data

Dianna currently has 9 active listings across 5 markets.

Portfolio lean
89% houses
Typical asking price
$899,900
Listings above $1M
4

Where they're active

  • Cavan Monaghan (Cavan Twp) 2 listings
  • Clarington 2 listings
  • Oshawa (Donevan) 2 listings
  • Oshawa (O'Neill) 2 listings
  • Ajax (South West) 1 listing

What they sell

  • Houses 89% · 8

Asking price range

$1M
Entry$549,900 Median$899,900 Top$1,999,900

4 of 9 listings sit above the $1M mark.

Ranked in these indexes

Whitby Township Of Cramahe Ajax Oshawa Kawartha Lakes

At the same brokerage

one of 6 agents we track at RE/MAX Impact Realty

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