
Catch Basin Installation & Repair in Suffolk County, Your Basin Works Around the Clock. When It Fails, the Signs Show Up Fast.
Catch basin installation, cleaning, and structural repair for commercial parking lots, municipal properties, and residential driveways across Suffolk County and Nassau County. Own crews, vacuum trucks, own equipment — no subcontractors.
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· Licensed in Suffolk & Nassau County
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Since 2012
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Suffolk County Licensed
Contractor License
Nassau County Licensed
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WHEN YOUR BASIN IS FAILING
Standing Water That Won't Drain, Sunken Grates, Foul Odors, All Signs Your Basin Needs Service Before the Next Storm
Your catch basin works around the clock moving stormwater off your property. When it starts to fail, the signs show up fast — and ignoring them leads to bigger problems.
Standing water that won't drain is the most obvious sign. After a rain event, water should clear within an hour or two. Puddles sitting for six hours or more? The basin is likely clogged or the outlet pipe is blocked. This is one of the most common calls we get across Suffolk County, especially after heavy storms roll through the South Shore.
Slow drainage is just as telling. If water is trickling toward the drain instead of flowing freely, sediment, leaves, or debris has built up inside the basin. In areas like Brentwood and Bay Shore, where mature trees drop heavy leaf loads every fall, basins fill faster than most property owners expect.
A sunken or cracked grate is another red flag. When a grate sinks below grade, water bypasses the basin entirely. A cracked grate can collapse under a vehicle — that's a safety hazard and a liability issue. Sinkholes or soft spots near the basin are a serious warning — spongy ground means the basin wall or pipe has failed and water is escaping underground. We've seen this on older commercial properties in Hauppauge and Melville where basins haven't been touched in decades.
Suffolk County municipalities have stormwater regulations requiring property owners to maintain private catch basins in working condition. A blocked basin isn't just a drainage problem — it can become a code compliance issue.

KNOW THE SIGNS
Eight Warning Signs Your Suffolk County Catch Basin Needs Service Now
Foul Odors Near the Drain
CLEANING OVERDUE
Water should clear within an hour or two after rain. Six hours or more of standing water means the basin is clogged or the outlet pipe is blocked. Don't wait for the next storm.
Sunken or Cracked Grate
SAFETY HAZARD
A grate sunken below grade means water bypasses the basin entirely. A cracked grate can collapse under a vehicle — a safety hazard and a liability issue for property owners and commercial managers alike.
Slow Drainage Toward the Drain
SERVICE SOON
Trickling instead of flowing freely means sediment, leaves, or debris has built up. Over time that buildup hardens and becomes much harder to clear — early cleaning is far less expensive than structural repair.
Standing Water Won't Clear After Rain
CALL SAME DAY
Water should clear within an hour or two after rain. Six hours or more of standing water means the basin is clogged or the outlet pipe is blocked. Don't wait for the next storm.
Mosquito Activity Near the Drain
COMPLIANCE RISK
Standing water inside a clogged catch basin is a breeding ground. Suffolk County Vector Control tracks mosquito populations across the Island, and stagnant drainage structures are a known contributing factor to local enforcement notices.
Sediment Washing Back Onto the Surface After Rain
BASIN FULL
Mud or gravel near the grate opening after a storm means the basin is full and overflowing — it can no longer hold what's coming in. A full inspection of the outlet condition may be necessary alongside cleaning.
Visible Cracks in Basin Walls or Frame
INSPECT NOW
Long Island's freeze-thaw cycles are hard on concrete basins. Small cracks let soil and groundwater infiltrate the structure, which accelerates collapse. Caught early — a repair. Left alone — a full replacement.
Sinkholes or Soft Spots Near the Basin
STRUCTURAL FAILURE
Spongy ground around the drain means the basin wall or surrounding pipe has failed. Water is escaping underground instead of flowing through the outlet. This type of failure gets worse with every rain — common on older commercial properties in Hauppauge and Melville where basins haven't been touched in decades.
How Catch Basin Cleaning Works on a Suffolk County Property — Start to Finish
Catch basin cleaning starts with a visual inspection — our crew looks at the grate, the basin frame, and the outlet pipe, checking for sediment buildup, debris blockages, and any structural damage to the basin walls. In Suffolk County, heavy clay soils and leaf-heavy neighborhoods like Dix Hills mean basins fill up faster than most property owners expect.
Once we check the condition, we bring in our vacuum truck. High-powered suction pulls out standing water, silt, sand, leaves, and debris that has settled at the bottom. A single basin can hold 50 to 200 gallons of accumulated waste depending on its size and how long it has gone without service.
After the vacuum removes bulk material, we flush the outlet pipe with pressurized water to confirm flow is moving freely. Cleaning the basin without clearing the outlet only solves half the problem. We do not skip this step.
Commercial properties in Suffolk County often have multiple basins connected in a network. Our crew maps each basin on the property and works through them in sequence. A blockage in one basin can push pressure back through the system and affect the others. We do not skip basins to save time.
The cleaning process ends with a post-service check — grate seated correctly, frame stable, water flowing into the basin without restriction. If we find a cracked basin wall, a broken outlet pipe, or a frame that has shifted, we document it and walk you through what needs repair. You get a clear picture of what was done and what, if anything, requires follow-up.
The entire cleaning process for a standard basin typically takes 30 to 60 minutes on site. All equipment operated by our own people — no subcontractors, ever.

REPAIR TYPES WE HANDLE
Five Catch Basin Repair Scenarios, What Each One Involves and When It's Needed
Frame & Grate Replacement
HIGH-TRAFFIC COMMERCIAL LOTS
The cast iron frame sits at grade and takes the most abuse — vehicle loads, plow blades, and thermal movement. When a frame cracks or separates from the masonry below, we remove it, reset the brick or block collar to the correct height, and install a new frame. In high-traffic areas like commercial lots in Hauppauge, we use heavy-duty frames rated for H-20 loading.
Masonry Collar Rebuild
FRAME LOSING SUPPORT
The brick or block collar connects the frame to the barrel. When mortar washes out or bricks shift, the frame loses support and drops. We remove the loose material, reset the collar with hydraulic cement and fresh masonry, and re-seat the frame flush with the surrounding pavement surface.
Barrel Crack Repair
GROUNDWATER INFILTRATION
Vertical cracks in the precast concrete barrel can allow soil and groundwater to infiltrate. We clean the crack, apply a hydraulic cement plug, and coat the interior where needed. If the barrel has shifted or separated at a joint, we assess whether a liner or full section replacement is the right call.
Full Structure Replacement
BASE COMPROMISED
When the base is compromised, the barrel is badly offset, or the structure has settled more than two inches out of grade, repair patches won't last. We excavate the area, remove the old structure, and install a new precast catch basin with proper bedding and backfill. In older neighborhoods like Bay Shore, many basins were built decades ago — replacement is more cost-effective than layering fixes on a compromised base.
Pavement Restoration Around the Basin
ALL REPAIR TYPES
A repaired catch basin sitting inside cracked or heaved asphalt is a half-finished job. We mill and patch the surrounding pavement to restore a flush, watertight connection between the structure and the lot surface. This step matters especially in parking areas where water pooling at the joint will undo the repair within one season.
WHY FIORINI PAVING
The Catch Basin Contractor Suffolk County Properties Trust
Most paving failures aren't material failures — they're preparation failures. Improper base compaction, ignored drainage, undersized mix for the load. When Fiorini takes a job, our own crew does it, on our own equipment, under direct supervision. That's why our work holds up — and why our clients have been calling us back for over 35 years.
35+
Years on Long Island
Paving commercial properties on Long Island since the late 1980s. We know the soil conditions, the drainage challenges, and what Long Island winters do to asphalt that wasn't built correctly.
580+
Drainage Projects Completed
580-plus drainage projects completed across Long Island — catch basin installation and repair, trench drain systems, stormwater management, foundation drainage correction, and surface regrading for commercial, municipal, and residential properties.
1,500+
Properties Served Across Long Island
From commercial parking lots and industrial facilities to HOA communities and substantial residential properties — 1,500-plus Long Island properties served with our own crews and our own equipment since the late 1980s.
Related Drainage Services
WHAT OUR CLIENTS SAY
4.6 out of 5 Google Reviews
Based on 10 Google reviews · Verified through Google Business Profile
Nick Russo
President, O'Keefe Court Condominium Board
2024
Fiorini Paving did an excellent job repaving the parking lot at our condo facility. As president of the board, I was involved in reviewing multiple proposals, and Fiorini impressed us with their professionalism, responsiveness, and attention to detail from start to finish. The quality of the work was top notch, and they followed up after completion to ensure everything was holding up well. We're very satisfied with the results and would highly recommend Fiorini Paving for any paving or asphalt work.
Verified Google Review
Valerie McDermott
Car Dealership, Long Island, NY
September 2021
Verified Google Review
We are a car dealership, it is a huge challenge to navigate a paving project with all the vehicles on site. Not for these guys. ABSOLUTELY A++. They were excellent at communicating exactly what needed to be done in order for the entire project to go smoothly. The parking lot looks amazing and our drain issues solved!
Matthew Vitiello
Long Island, NY
March 2021
The guys at Fiorini Paving really did a phenomenal job for us. Not only did the quality of work exceed our expectations but they were also very easy to work with throughout the whole process. I highly recommend them.
Verified Google Review
AE Ealy
Local Guide · Long Island, NY
2024
Verified Google Review
Great price. They did a very good job. The crew was very professional. Everyone was respectful. They quoted a price, gave a deadline date to complete the job and came through. Highly recommend them.
COMMON QUESTIONS
Catch Basin Questions, Straight Answers
We can usually get to you the same day you call, especially for active drainage issues. Our crews are based in Suffolk County and run their own equipment — no subcontractors, no scheduling delays. If water is sitting on your property after a storm, that's a same-day call. Reach us at (631) 643-2443.
Leaf load is the biggest reason. Areas like Brentwood, Bay Shore, and Dix Hills have mature trees that drop heavy debris directly into basin grates. That material settles at the bottom and hardens over time. Suffolk County's clay-heavy soil makes it worse — it doesn't drain fast, so debris sits and compacts. Annual cleaning before storm season is the best way to stay ahead of it.
Cleaning is enough when the basin is structurally sound but clogged with sediment, leaves, or debris. Replacement becomes necessary when you see cracked basin walls, a sunken or collapsed frame, or soft ground around the drain — signs that the structure itself has failed. Long Island's freeze-thaw winters are hard on older concrete basins. Our crew inspects both conditions during every service call and gives you a straight answer.
Yes. When a catch basin stops draining, water has nowhere to go but toward your foundation. Over time, that standing water saturates the soil around your home and puts pressure on foundation edges. Catching the problem early — before sinkholes or soft spots appear — saves you from a much bigger repair.
Yes. A failing catch basin allows water to saturate the sub-base beneath your asphalt or concrete, leading to soft spots, cracking, and premature pavement failure. Addressing catch basin problems early is one of the most cost-effective ways to extend the life of your paved surface.
Suffolk County holds property owners responsible for maintaining catch basins on private property. A neglected basin that contributes to flooding or mosquito breeding can create liability issues. Suffolk County Vector Control tracks stagnant drainage structures as mosquito breeding sites across the Island. Keeping your basin clean and flowing protects you and your neighbors.

READY TO GET STARTED?
Get a Free Catch Basin Assessment in Suffolk County
Call us directly or submit an estimate request and we'll get back to you within one business day. Catch basin installation, cleaning, and structural repair for commercial, municipal, and residential properties across Suffolk County and Nassau County — vacuum trucks, own crews, no subcontractors.
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