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Business Details
50+ Years
experience
Trusted Building Supplies in Concord, MA
Established in 1971, DH Loam has built a reputation as a trusted provider of premium soil, mulch, and aggregate products. Our company specializes in custom soil blends tailored to meet specific project requirements, utilizing screened loam, coarse sand, and organic leaf compost. With over 45 years of experience, we operate a soil processing facility in Concord, MA, and offer portable screening services for large-scale projects. Our commitment to quality ensures all materials meet industry standards for landscaping, agriculture, and construction applications.

We prioritize local sourcing, including mulch from New England and hemlock bark from Maine, while maintaining sustainable practices through recycling initiatives. Our team delivers products directly to job sites or allows customer pickup, serving residential and commercial clients throughout Massachusetts.
Services
Custom Soils Loam Products Mulch Products Aggregate Products Recycled Products
Details
  • Year established: 1971
Highlights and features
  • Over 45 years of experience in soil and aggregate supply
  • Custom soil blending to precise specifications
  • Locally sourced materials from New England producers
  • Portable screening equipment for large job sites
  • Sustainable recycling programs for construction materials
Services
Custom Soils
We create precision-engineered soil blends using screened loam, coarse sand, and organic compost. Our custom mixes meet specifications for bioinfiltration systems, sports fields, and erosion control applications. Products include sand-based structural soils for paver installations and horticultural subsoils for planting beds.
Loam Products
Our screened loam products meet agricultural, landscaping, and horticultural needs. Options include standard loam, super loam with added compost, and specialized blends for lawn establishment. Materials undergo rigorous screening to ensure consistent quality and texture.
Mulch Products
We supply decorative and functional mulches including hemlock bark, pine bark, natural black mulch, and playground-safe wood chips. Materials help retain soil moisture, suppress weeds, and enhance landscape aesthetics while meeting safety standards for residential and commercial use.
Aggregate Products
Our aggregate inventory includes crushed stone, pea gravel, sand, and stone dust in multiple sizes. Products support construction projects, drainage systems, and landscaping applications. We offer both delivery and pickup options for bulk quantities.
Recycled Products
We process and resell recycled materials including leaf compost, wood chips, and construction tailings. Our recycling programs reduce waste while providing cost-effective solutions for soil amendment, erosion control, and base material applications.
Questions
What custom soil options do you offer?
We create custom blends using screened loam, coarse sand, and organic compost for applications including bioinfiltration, steep slope stabilization, and high-use lawns.
Do you deliver materials?
Yes, we offer local delivery of all products including mulch, aggregates, and custom soils throughout Concord and surrounding Massachusetts areas.
What types of mulch are available?
We carry hemlock bark, pine bark, natural black mulch, enhanced black mulch, playground mulch, and woodchips for residential and commercial use.
Are your materials sustainably sourced?
We prioritize sustainability through recycling programs that repurpose materials like leaf compost, wood chips, and construction tailings.
Can I pick up materials at your facility?
Yes, our Concord yard accepts walk-in customers for material pickup during regular business hours.