# Best real estate agents in Whitby & Mundijong (6123 WA) Source: https://www.properti.ai/grader/postcode/6123-wa Publisher: Properti Agent Grader (https://www.properti.ai/grader) Updated: 11 October 2026 As of 11 October 2026, the top-ranked real estate agent in 6123 WA on digital presence is Mark Grogan (O'Neil Real Estate - KELMSCOTT), scoring 61 out of 100, followed by Christopher Thomas (Professionals Byford Property Team) with 57 and Dahlia Rechichi (LJ Hooker - Harrisdale) with 52. According to realestate.com.au, 37 agents sold property in postcode 6123 in the last 12 months; 10 of them made 2 or more sales here and 7 of those are graded and ranked. The average digital presence score of the ranked agents is 50. By sales volume, Dahlia Rechichi of LJ Hooker - Harrisdale sold the most here with 11 sales, ranking #3 on digital presence. Postcode 6123 covers Whitby and Mundijong. ## Ranked agents in 6123 WA (6 of 7 ranked) Rank, agent, agency, Properti digital presence score out of 100, properties sold in postcode 6123 in the last 12 months per realestate.com.au, REA profile reviews, and Instagram plus Facebook followers. 1 ranked agent scoring under 45 (Bronze tier) is not listed on public boards. 1. [Mark Grogan](https://www.properti.ai/agent/mark-8c8f7a8566) (O'Neil Real Estate - KELMSCOTT): score 61, 2 sales here, 5.0 from 404 REA reviews, 11k followers. Median in Whitby: $1,412,500, 32 days on market. 2. [Christopher Thomas](https://www.properti.ai/agent/christopher-4090c26eda) (Professionals Byford Property Team): score 57, 7 sales here, 5.0 from 110 REA reviews, 2.5k followers. Median in Whitby: $825,000, 42 days on market. 3. [Dahlia Rechichi](https://www.properti.ai/agent/dahlia-bb4c4b8cae) (LJ Hooker - Harrisdale): score 52, 11 sales here, 4.9 from 59 REA reviews, 805 followers. Median in Whitby: $273,000, 202 days on market. 4. [Byron Abbonizio](https://www.properti.ai/agent/byron-ca3aa22031) (Professionals Byford Property Team): score 49, 4 sales here, 5.0 from 37 REA reviews, 2.5k followers. Median in Mundijong: $942,500, 32 days on market. 5. [Jay Singh](https://www.properti.ai/agent/jay-1ce02f69e2) (The Best Realty Group - Armadale): score 49, 2 sales here, 5.0 from 90 REA reviews, 148 followers. Median in Mundijong: $555,000, 56 days on market. 6. [Ash Swarts](https://www.properti.ai/agent/ash-f30a7d6b54) (O'Neil Real Estate - KELMSCOTT): score 45, 7 sales here, 4.9 from 170 REA reviews, 1.2k followers. Median in Whitby: $830,000, 19 days on market. ## Best agents by suburb ### Whitby 26 agents sold 51 properties in Whitby 6123 in the last 12 months. Ranked agents with 2 or more sales in Whitby, by Properti digital presence score: 1. Mark Grogan (O'Neil Real Estate - KELMSCOTT): score 61, 2 sales in Whitby, 5.0 from 404 REA reviews, 11k followers. 2. Christopher Thomas (Professionals Byford Property Team): score 57, 4 sales in Whitby, 5.0 from 110 REA reviews, 2.5k followers. 3. Dahlia Rechichi (LJ Hooker - Harrisdale): score 52, 11 sales in Whitby, 4.9 from 59 REA reviews, 805 followers. 4. Byron Abbonizio (Professionals Byford Property Team): score 49, 2 sales in Whitby, 5.0 from 37 REA reviews, 2.5k followers. 5. Ash Swarts (O'Neil Real Estate - KELMSCOTT): score 45, 5 sales in Whitby, 4.9 from 170 REA reviews, 1.2k followers. ### Mundijong 17 agents sold 22 properties in Mundijong 6123 in the last 12 months. Ranked agents with 2 or more sales in Mundijong, by Properti digital presence score: 1. Christopher Thomas (Professionals Byford Property Team): score 57, 3 sales in Mundijong, 5.0 from 110 REA reviews, 2.5k followers. 2. Byron Abbonizio (Professionals Byford Property Team): score 49, 2 sales in Mundijong, 5.0 from 37 REA reviews, 2.5k followers. 3. Jay Singh (The Best Realty Group - Armadale): score 49, 2 sales in Mundijong, 5.0 from 90 REA reviews, 148 followers. 4. Ash Swarts (O'Neil Real Estate - KELMSCOTT): score 45, 2 sales in Mundijong, 4.9 from 170 REA reviews, 1.2k followers. ## Agencies with the most ranked agents in 6123 WA - O'Neil Real Estate - KELMSCOTT: 2 ranked agents, 5 agents sold here. - Professionals Byford Property Team: 2 ranked agents, 2 agents sold here. - LJ Hooker - Harrisdale: 1 ranked agent, 2 agents sold here. - The Best Realty Group - Armadale: 1 ranked agent, 2 agents sold here. ## Agents with 2+ sales here not yet graded (3) - Ashton Dekker: 6 sales here. - Paul and Danuta Williams: 2 sales here. - Michelle Gatani: 2 sales here. ## Common questions ### Who are the best real estate agents in 6123 WA? By Properti's digital presence score, the top 5 agents in 6123 WA are 1. Mark Grogan (O'Neil Real Estate - KELMSCOTT), 61/100, 5.0 from 404 REA reviews; 2. Christopher Thomas (Professionals Byford Property Team), 57/100, 5.0 from 110 REA reviews; 3. Dahlia Rechichi (LJ Hooker - Harrisdale), 52/100, 4.9 from 59 REA reviews; 4. Byron Abbonizio (Professionals Byford Property Team), 49/100, 5.0 from 37 REA reviews; 5. Jay Singh (The Best Realty Group - Armadale), 49/100, 5.0 from 90 REA reviews. The score measures public social media activity, engagement, video, creative, reach and Google reviews, not sales results or service quality. ### Who is the top listing agent in 6123 WA by sales? realestate.com.au credits Dahlia Rechichi of LJ Hooker - Harrisdale with the most sales in postcode 6123 in the last 12 months: 11 sales as lead or joint agent. They rank #3 of 7 on digital presence. The highest-ranked agent on digital presence is Mark Grogan (O'Neil Real Estate - KELMSCOTT) with 61/100. ### Which real estate agencies have the most top-ranked agents in 6123 WA? O'Neil Real Estate - KELMSCOTT (2 ranked agents), Professionals Byford Property Team (2 ranked agents), LJ Hooker - Harrisdale (1 ranked agent). Counts are ranked agents on this board; an agency's own digital presence is graded separately on its Properti agency page. ### How many real estate agents sell in 6123 WA? 37 agents sold property in postcode 6123 in the last 12 months according to realestate.com.au. 10 of them made 2 or more sales here, and 7 of those have a Properti digital presence score and appear in the ranking. ### How are real estate agents in 6123 WA ranked? Properti's Agent Grader scores each agent out of 100 from public Instagram and Facebook activity in the last 30 days (posting activity, engagement, video, creative quality and reach) plus Google reviews, and ranks agents with 2 or more sales in postcode 6123 by that score. Sales counts come from realestate.com.au. Agents who have asked not to be listed are excluded. 1 ranked agent scoring under 45 (Bronze tier) is not listed on public boards. ### How much do real estate agents charge in 6123 WA? Commission and marketing fees are not part of this ranking and vary by agent. In Australia, agent commission is negotiable and is usually a percentage of the sale price plus a marketing budget. Ask shortlisted agents for their fee and marketing costs in writing before signing an agency agreement. ### Which suburbs are in postcode 6123? Whitby and Mundijong. This board ranks every agent who sold in any of those suburbs. ### How up to date is the 6123 WA ranking? Sales data was last captured from realestate.com.au on 2 October 2026 and scores were last updated on 11 October 2026. Scores refresh each time an agent is rescanned, and the sales window is always the last 12 months. ## About this data Membership is every agent realestate.com.au lists as having sold in postcode 6123 in the last 12 months, as lead or joint agent. Agents with 2 or more sales here are ranked by the Properti digital presence score (https://www.properti.ai/grader/how-it-works), which measures public Instagram and Facebook activity in the last 30 days and Google reviews. It does not measure sales results or service quality. Agents who have asked not to be listed are excluded. 1 ranked agent scoring under 45 (Bronze tier) is not listed on public boards. Canonical page: https://www.properti.ai/grader/postcode/6123-wa