# Kosta & Sons Excavation > Family-run excavation and earthmoving contractors based in Tullamarine, serving Melbourne's northern > and north-western suburbs for over 13 years. Site cuts, bulk excavation, trenching, drainage, plumbing, > concrete removal, rock breaking, non-licenced demolition, plant hire and retaining walls. Contact: Rick, 0456 614 439, rickkosta@outlook.com Address: Unit 16/81 Lambeck Dr, Tullamarine VIC 3043 Hours: Monday to Friday, 9am to 5pm Rating: 5.0 from 29 Google reviews ## Main pages - [Home](https://kostaandsons.com.au/): Earthmoving contractors in Melbourne for residential and commercial projects. - [Services](https://kostaandsons.com.au/services/): Every service offered, from site cuts to drainage and plant hire. - [Locations](https://kostaandsons.com.au/locations/): The ten Melbourne suburbs we build retaining walls in. - [Contact](https://kostaandsons.com.au/contact/): Phone, email, address, map and the enquiry form. - [Blog](https://kostaandsons.com.au/blog/): Guides on retaining walls, concrete removal costs and hiring contractors. ## Services - [Rock Removal Melbourne](https://kostaandsons.com.au/services/rock-removal-melbourne/): Kosta & Sons offer expert rock removal Melbourne and rock breaking Melbourne services, delivering safe, efficient results for any project. - [Plumbing Services Melbourne](https://kostaandsons.com.au/services/plumbing-melbourne/): Plumbing Company Melbourne offering expert plumbing services Melbourne. Reliable repairs, installations, and maintenance for homes and businesses citywide. - [Concrete Removal Melbourne](https://kostaandsons.com.au/services/concrete-removal-melbourne/): Kosta & Sons provide expert concrete removal Melbourne and concrete demolition Melbourne for driveways, patios, slabs, pathways, foundations and more. - [Plant & Machinery Hire Melbourne](https://kostaandsons.com.au/services/plant-machinery-hire-melbourne/): Need plant machinery hire in Melbourne? Get the reliable equipment rentals from Kosta & Sons - quality gear, on-time delivery, and great service. Visit us! - [Drainage Services Melbourne](https://kostaandsons.com.au/services/drainage-melbourne/): Comprehensive drainage services in Melbourne. From repairs to mapping and surveys, we ensure effective water management for resilient systems. - [Non Licenced Demolition Melbourne](https://kostaandsons.com.au/services/non-licenced-demos-melbourne/): Reliable non-licensed demolition services in Melbourne. Our expert team delivers safe and efficient solutions for your demolition needs. Contact us today! ## Retaining wall locations - [Retaining Walls Broadmeadows (3047)](https://kostaandsons.com.au/locations/retaining-walls-broadmeadows/) - [Retaining Walls Campbellfield (3061)](https://kostaandsons.com.au/locations/retaining-walls-campbellfield/) - [Retaining Walls Coburg (3058)](https://kostaandsons.com.au/locations/retaining-walls-coburg/) - [Retaining Walls Craigieburn (3064)](https://kostaandsons.com.au/locations/retaining-walls-craigieburn/) - [Retaining Walls Essendon (3040)](https://kostaandsons.com.au/locations/retaining-walls-essendon/) - [Retaining Walls Greenvale (3059)](https://kostaandsons.com.au/locations/retaining-walls-greenvale/) - [Retaining Walls Melbourne (3000)](https://kostaandsons.com.au/locations/retaining-walls-melbourne/) - [Retaining Walls Reservoir (3073)](https://kostaandsons.com.au/locations/retaining-walls-reservoir/) - [Retaining Walls Sunbury (3429)](https://kostaandsons.com.au/locations/retaining-walls-sunbury/) - [Retaining Walls Tullamarine (3043)](https://kostaandsons.com.au/locations/retaining-walls-tullamarine/) ## Blog posts - [Site Cuts Explained, From the Quote to the Finished Pad](https://kostaandsons.com.au/blog/what-is-a-site-cut/) (2026-08-26): for has a quote with a site cut on it and does not know what it means. - [Working Wet Ground, and When It Is Cheaper to Wait](https://kostaandsons.com.au/blog/too-wet-to-dig/) (2026-08-25): for job booked, weather turned, deciding whether to proceed. - [Can a Machine Reach the Work? How to Measure Your Access](https://kostaandsons.com.au/blog/will-an-excavator-fit/) (2026-08-24): for wants to know if a machine can physically reach the work before enquiring. - [Why Water Sits in Your Yard, and What Actually Fixes It](https://kostaandsons.com.au/blog/why-does-my-yard-flood/) (2026-08-23): for water pooling in the yard, wants to know why before paying anyone. - [Best Front Yard Retaining Wall Ideas for Small Outdoor Spaces](https://kostaandsons.com.au/blog/best-front-yard-retaining-wall-ideas-for-small-outdoor-spaces/) (2026-07-20): for design inspiration for a small front yard. - [How Much Does Concrete Removal Cost? Complete Pricing Guide](https://kostaandsons.com.au/blog/how-much-does-concrete-removal-cost-complete-pricing-guide/) (2026-06-11): for researching concrete removal price before committing. - [Why Some Retaining Walls Last and Others Lean](https://kostaandsons.com.au/blog/retaining-walls-in-melbourne-for-strong-stable-sites/) (2026-06-10): for researching retaining walls in melbourne generally. - [How to Stop Water Hammer: Causes, Solutions, and When to Call a Plumber](https://kostaandsons.com.au/blog/how-to-stop-water-hammer-causes-solutions-and-when-to-call-a-plumber/) (2026-05-07): for banging pipes right now, needs a fix. - [How to Maintain Retaining Walls the Right Way: Find Out Here](https://kostaandsons.com.au/blog/how-to-maintain-retaining-walls-the-right-way-find-out-here/) (2026-05-06): for already has a wall and wants it to last. - [What to Look for When Hiring an Earthmoving Contractor](https://kostaandsons.com.au/blog/hiring-earthmoving-contractors-in-melbourne-considerations/) (2026-01-12): for comparing earthmoving contractors before signing. - [When Should You Call for Professional Plumbing Services?](https://kostaandsons.com.au/blog/when-should-you-call-for-professional-plumbing-services/) (2026-01-12): for deciding whether a plumbing problem needs a professional. - [Understanding the Role of Excavating Contractors in Site Preparation](https://kostaandsons.com.au/blog/understanding-the-role-of-excavating-contractors-in-site-preparation/) (2026-01-05): for planning a build, does not know what site prep involves. - [Untold Benefits of Hiring Plants and Machinery in Business Operations](https://kostaandsons.com.au/blog/untold-benefits-of-hiring-plants-and-machinery-in-business-operations/) (2025-09-05): for a business weighing hire against purchase. ## Notes - All prices quoted on the site are indicative only. Every job is quoted after a site visit. - Reviews shown on the site come from the Google Business Profile and are not written by us.