--- title: blog | Mark Kilroy Bsc (Hons) MAIQS CQS MRICS description: "Mark Kilroy is a Chartered Quantity Surveyor with over 20 years of experience across the US, UK, and Australia, specializing in tax depreciation and strategic tax planning for property investors and business owners. As CEO of Koste Chartered Quantity Surveyors, Mark combines his deep industry knowledge with a hands-on approach to help clients maximise their tax savings, reinvesting in their future growth. A seasoned property investor himself, Mark is dedicated to making complex tax topics accessible, empowering clients to leverage tax laws to enhance their financial outcomes. His expertise has guided countless investors and property managers toward smarter tax strategies, solidifying Koste’s reputation as a trusted leader in the industry.\" This bio emphasises Mark’s experience, client-centric approach, and leadership in tax depreciation strategies, aligning with his professional image. Let me know if there’s anything specific you’d like to add!" --- [Skip to content](https://blog.koste.com.au/blog/author/mark#main-content) ![Gill Sans Nova](https://blog.koste.com.au/hs-fs/hubfs/KosteHorizTag-GreenGrey-2.jpg?width=395&height=100&name=KosteHorizTag-GreenGrey-2.jpg) Open main navigation Close main navigation - [Contact us](https://blog.koste.com.au/blog/author/mark#contact) [Contact us](https://blog.koste.com.au/blog/author/mark#contact) [![](https://blog.koste.com.au/hubfs/Facts%20Myths%20written%20on%20a%20chalkboard.jpeg)](https://blog.koste.com.au/blog/addressing-common-misconceptions-about-residential-tax-depreciation) [Residential Tax Depreciation](https://blog.koste.com.au/blog/tag/residential-tax-depreciation) ## [Addressing Common Misconceptions About Residential Tax Depreciation](https://blog.koste.com.au/blog/addressing-common-misconceptions-about-residential-tax-depreciation) ![Picture of Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://app.hubspot.com/settings/avatar/7bc5de67d203786a583b28d1f5e4a6fb) [Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://blog.koste.com.au/blog/author/mark) Nov 22, 2024 3:03:43 PM Tax depreciation is a valuable tool for residential property investors, offering significant savings... [Read more](https://blog.koste.com.au/blog/addressing-common-misconceptions-about-residential-tax-depreciation) [![](https://blog.koste.com.au/hubfs/Closeup%20portrait%20excited%20young%20middle%20aged%20woman%20placing%20hand%20on%20head%2c%20palm%20on%20face%20gesture%20in%20duh%20moment%2c%20isolated%20green%20background.%20Human%20emotion%20facial%20expression%20feelings%2c%20body%20language%2c%20reaction.jpeg)](https://blog.koste.com.au/blog/can-you-amend-your-tax-return-to-include-missed-depreciation-deductions) [Commercial Tax Depreciation](https://blog.koste.com.au/blog/tag/commercial-tax-depreciation), [Residential Tax Depreciation](https://blog.koste.com.au/blog/tag/residential-tax-depreciation) ## [Can You Amend Your Tax Return to Include Missed Depreciation Deductions?](https://blog.koste.com.au/blog/can-you-amend-your-tax-return-to-include-missed-depreciation-deductions) ![Picture of Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://app.hubspot.com/settings/avatar/7bc5de67d203786a583b28d1f5e4a6fb) [Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://blog.koste.com.au/blog/author/mark) Nov 22, 2024 2:52:21 PM If you've missed claiming tax depreciation on your property investments, don’t worry—you're not alon... [Read more](https://blog.koste.com.au/blog/can-you-amend-your-tax-return-to-include-missed-depreciation-deductions) [![](https://blog.koste.com.au/hubfs/Modern%20style%20dining%20room%20with%20large%20windows.jpeg)](https://blog.koste.com.au/blog/the-ultimate-guide-to-depreciation-schedules-for-property-investors) [Commercial Tax Depreciation](https://blog.koste.com.au/blog/tag/commercial-tax-depreciation), [Residential Tax Depreciation](https://blog.koste.com.au/blog/tag/residential-tax-depreciation) ## [The Ultimate Guide to Depreciation Schedules for Property Investors](https://blog.koste.com.au/blog/the-ultimate-guide-to-depreciation-schedules-for-property-investors) ![Picture of Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://app.hubspot.com/settings/avatar/7bc5de67d203786a583b28d1f5e4a6fb) [Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://blog.koste.com.au/blog/author/mark) Nov 8, 2024 11:36:13 AM If you're a property investor looking to make the most of your tax deductions, understanding depreci... [Read more](https://blog.koste.com.au/blog/the-ultimate-guide-to-depreciation-schedules-for-property-investors) [![](https://blog.koste.com.au/hubfs/Worried%20business%20man%20with%20a%20graph%20decreasing%20-%20isolated%20over%20a%20white%20background.jpeg)](https://blog.koste.com.au/blog/maximising-property-depreciation-choosing-the-right-method-and-understanding-division-40-vs.-division-43) ## [Maximising Property Depreciation, Choosing the Right Method and Understanding Division 40 vs. Division 43](https://blog.koste.com.au/blog/maximising-property-depreciation-choosing-the-right-method-and-understanding-division-40-vs.-division-43) ![Picture of Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://app.hubspot.com/settings/avatar/7bc5de67d203786a583b28d1f5e4a6fb) [Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://blog.koste.com.au/blog/author/mark) Nov 8, 2024 11:31:59 AM Depreciation is an essential tool for property investors, allowing you to claim deductions on the we... [Read more](https://blog.koste.com.au/blog/maximising-property-depreciation-choosing-the-right-method-and-understanding-division-40-vs.-division-43) [![](https://blog.koste.com.au/hubfs/A%20happy%20construction%20worker%20drawing%20a%20city%20with%20white%2c%20plain%20buildings%2c%20using%20arrows%20and%20angles.jpeg)](https://blog.koste.com.au/blog/understanding-the-current-landscape-of-construction-costs-in-australia) [Housing](https://blog.koste.com.au/blog/tag/housing), [Construction Costs](https://blog.koste.com.au/blog/tag/construction-costs) ## [Understanding the Current Landscape of Construction Costs in Australia](https://blog.koste.com.au/blog/understanding-the-current-landscape-of-construction-costs-in-australia) ![Picture of Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://app.hubspot.com/settings/avatar/7bc5de67d203786a583b28d1f5e4a6fb) [Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://blog.koste.com.au/blog/author/mark) Nov 8, 2024 11:24:13 AM Since the pandemic began, construction costs in Australia have surged, affecting both residential an... [Read more](https://blog.koste.com.au/blog/understanding-the-current-landscape-of-construction-costs-in-australia) [![](https://blog.koste.com.au/hubfs/Happy%20young%20couple%20calculating%20bills%20at%20home.jpeg)](https://blog.koste.com.au/blog/accounting-depreciation-vs.-tax-depreciation-essential-insights-for-property-investors-and-business-owners) [Commercial Tax Depreciation](https://blog.koste.com.au/blog/tag/commercial-tax-depreciation), [Residential Tax Depreciation](https://blog.koste.com.au/blog/tag/residential-tax-depreciation) ## [Accounting Depreciation vs. Tax Depreciation: Essential Insights for Property Investors and Business Owners](https://blog.koste.com.au/blog/accounting-depreciation-vs.-tax-depreciation-essential-insights-for-property-investors-and-business-owners) ![Picture of Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://app.hubspot.com/settings/avatar/7bc5de67d203786a583b28d1f5e4a6fb) [Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://blog.koste.com.au/blog/author/mark) Nov 8, 2024 11:17:15 AM For property investors and business owners, understanding depreciation is crucial for effective fina... [Read more](https://blog.koste.com.au/blog/accounting-depreciation-vs.-tax-depreciation-essential-insights-for-property-investors-and-business-owners) [![](https://blog.koste.com.au/hubfs/Tower%20Bridge%20in%20London%2c%20UK.jpeg)](https://blog.koste.com.au/blog/maximising-tax-depreciation-on-overseas-property-investments-for-australian-investors) [Commercial Tax Depreciation](https://blog.koste.com.au/blog/tag/commercial-tax-depreciation), [Residential Tax Depreciation](https://blog.koste.com.au/blog/tag/residential-tax-depreciation) ## [Maximising Tax Depreciation on Overseas Property Investments for Australian Investors](https://blog.koste.com.au/blog/maximising-tax-depreciation-on-overseas-property-investments-for-australian-investors) ![Picture of Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://app.hubspot.com/settings/avatar/7bc5de67d203786a583b28d1f5e4a6fb) [Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://blog.koste.com.au/blog/author/mark) Nov 8, 2024 11:10:11 AM Australian investors are increasingly looking abroad to diversify their property portfolios, often i... [Read more](https://blog.koste.com.au/blog/maximising-tax-depreciation-on-overseas-property-investments-for-australian-investors) [![](https://blog.koste.com.au/hubfs/Smiling%20warehouse%20team%20working%20together%20on%20laptop%20in%20a%20large%20warehouse.jpeg)](https://blog.koste.com.au/blog/the-financial-impact-of-tax-depreciation-for-owner-occupied-businesses) [Commercial Tax Depreciation](https://blog.koste.com.au/blog/tag/commercial-tax-depreciation) ## [The Financial Impact of Tax Depreciation for Owner-Occupied Businesses](https://blog.koste.com.au/blog/the-financial-impact-of-tax-depreciation-for-owner-occupied-businesses) ![Picture of Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://app.hubspot.com/settings/avatar/7bc5de67d203786a583b28d1f5e4a6fb) [Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://blog.koste.com.au/blog/author/mark) Nov 8, 2024 11:03:05 AM Tax depreciation allows you to claim deductions on the structural elements of your property, as well... [Read more](https://blog.koste.com.au/blog/the-financial-impact-of-tax-depreciation-for-owner-occupied-businesses) [![](https://blog.koste.com.au/hubfs/modern%20design%20club%20restaurant%20bar%20indoors.jpeg)](https://blog.koste.com.au/blog/how-commercial-tenants-can-unlock-tax-savings-through-depreciation) [Commercial Tax Depreciation](https://blog.koste.com.au/blog/tag/commercial-tax-depreciation) ## [How Commercial Tenants Can Unlock Tax Savings Through Depreciation](https://blog.koste.com.au/blog/how-commercial-tenants-can-unlock-tax-savings-through-depreciation) ![Picture of Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://app.hubspot.com/settings/avatar/7bc5de67d203786a583b28d1f5e4a6fb) [Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://blog.koste.com.au/blog/author/mark) Nov 8, 2024 10:57:31 AM Many commercial tenants are unaware of the potential tax savings available through tax depreciation ... [Read more](https://blog.koste.com.au/blog/how-commercial-tenants-can-unlock-tax-savings-through-depreciation) [![](https://koste.com.au/wp-content/uploads/2024/04/Untitled-design-8.png)](https://blog.koste.com.au/blog/unlock-your-propertys-hidden-cash-flow-with-tax-depreciation) ## [Unlock Your Property’s Hidden Cash Flow with TAX DEPRECIATION](https://blog.koste.com.au/blog/unlock-your-propertys-hidden-cash-flow-with-tax-depreciation) ![Picture of Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://app.hubspot.com/settings/avatar/7bc5de67d203786a583b28d1f5e4a6fb) [Mark Kilroy Bsc (Hons) MAIQS CQS MRICS](https://blog.koste.com.au/blog/author/mark) Nov 8, 2024 10:50:15 AM [Read more](https://blog.koste.com.au/blog/unlock-your-propertys-hidden-cash-flow-with-tax-depreciation) First Prev [1](https://blog.koste.com.au/blog/author/mark) [2](https://blog.koste.com.au/blog/author/mark/page/2) [Next](https://blog.koste.com.au/blog/author/mark/page/2) [Last](https://blog.koste.com.au/blog/author/mark/page/2) ## Unlock Your Property’s Potential Discover expert insights, tax-saving strategies, and everything you need to know about tax depreciation in the Koste Knowledge Hub. 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