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After it snows and always willing to go the extra mile and make useful suggestions to help us maintain ou Angie’s List 2010 Super Service Award Before it snows berm buried pipe clean up well after themselves compactable gravel subbase concrete spalling crack in foundation wall DC/VA /MD market Drain pipes Drainage Drainage & Erosion Solutions drainage and erosion drainage consultant drainage consulting drainage dc drainage erosion drainage maryland drainage solution companies drainage solutions Drainage swale Drainage Swales drainage virginia drains driveway dry well Dry wells Egress Endorsement for DES from Peter McQuaid Owner MCQ S Erosion erosion basement erosion dc erosion foundation erosion maryland erosion solutions Erosion Under Area Way Steps erosion under steps erosion virginia established sod exposure to corrosive elements Flagstone french drain French drains friendly Grading gravel swale Gravel swales ground shifting Hardscape His crew is very efficient How to care for sod I would highly recommend him for any role infiltration Infiltrations Landscape landscaping drainage mclean new asphalt driveway new drainage system newly installed sod Patios Pavers poor drainage prevent surface water infiltration Rain Gardens Rain tanks rebar corrosion repairing failing foundation walls Retaining walls sand erosion solutions See what people are saying about Drainage and Eros sinkhole snow melt infiltration sod soil berm Soil berms solutions for erosion stacked stone window well Stepping stones Stone wall Stone window wells Stream stabilization sump pump surface water flow Swales They are on time va VDOT 21-A virginia Walkways water in basement water in yard Waterproofing way basement steps wellcraft Wellcraft window wells wet basement Wet basements wet yard Wet yards Window well egress window well mclean window well virginia Window wells
Services
All DES consultations, assessments, and installations are performed by a licensed professional soils engineer or landscape designer. These professionals have over 35 years of combined design and contracting experience.

DES uses state-of-the-art materials and experienced crews with a supervisor that is always approachable and available on-site to address questions and concerns.

Our inspector will perform an assessment of the current situation and provide design solutions for:
alt • Moisture-stained foundation walls
• Wet basements
• Shoreline erosion
• Surface erosion
• Water ponding
• Slope stability
• Wet yards
• Window well egress systems
Please note all consulting services are charged at a flat rate of $150 per visit. 

There are no fees for landscape designs and estimates, patio and retaining wall designs and estimates, and window well egress designs and estimates.

Our experienced crews can provide installation services such as:
alt • Re-grading of ground surface to promote positive drainage
• Plastic Liner Systems to prevent vertical water infiltration
• Infiltration/Interceptor trenches
• Planting for erosion control
• Roof drain pipe extensions
• Wall and footing drains
• Waterproofing
• French drains
• Rain gardens
• Drainage swales
• Dry wells

alt D&E Videos:

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Window Wells Water Management Walkways
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Slope Stabilazation Retaining Walls Patios