
We understand that HOAs and community associations have unique responsibilities when it comes to maintaining shared natural spaces and keeping neighborhoods in compliance. Our team provides dependable, professional environmental services designed to keep your community clean, functional, and looking its best — all while meeting local and state environmental requirements.
From stormwater systems to open green spaces, our HOA services are built on responsiveness, honesty, and experience. We work directly with property managers, HOA boards, and community partners to create maintenance plans that are practical, affordable, and environmentally sound. Whether you manage one neighborhood or an entire district, we make sure your community stays beautiful, safe, and compliant — season after season.

Open Tract Space Maintenance
Routine care and upkeep of natural and landscaped common areas.
Invasive Weed Removal & Treatment
Safe, effective control and removal of invasive and noxious plant species.
Stormwater Facility Maintenance
Inspections, cleaning, and repairs to ensure compliance and the properly functioning stormwater systems.
Street Drain Cleaning
Clearing debris and sediment to prevent blockages and flooding.
Stormwater Filter Replacement
Replacement and maintenance of filter cartridges and treatment devices to maintain performance and compliance.
HOA Plat Map Updates
Keeping your maps accurate and up to date for maintenance and compliance tracking.

We use ERSM for maintenance of all our stormwater facilities, vaults, mitigation areas and natural open space maintenance. With stormwater regulations increasing and storm facilities becoming more and more complex, we need an expert in the field to keep these facilities operating properly. We count on ERSM for all those needs because of their expertise and their commitment to timely service. We won’t use anyone else.
I’ve been working with Aaron Gibson for several years on a number of my properties in Clark County, Washington. His company, ERSM, provides exceptional service. Everyone associated with ERSM is knowledgeable and professional. I am especially impressed by how quickly I receive responses for any emails I send. I’ve actually referred ERSM to several of my colleagues and encouraged them to use ERSM. Highly recommended!