10 Best Catch Basin Risers for 2026: Top Picks for Easier Drainage Upgrades

If you need a cleaner way to raise a drain opening to grade, a catch basin riser can make the upgrade much easier. The right option helps improve surface-water capture without replacing the entire basin assembly.

In this roundup, we focus on fit, height, material quality, and compatibility so you can narrow down the best choice for your drainage layout.

Best 10 Catch Basin Riser Picks for 2026

Height-Boosting Basin Riser – NDS 1216 Catch Basin Riser for 12 Inch Square Basins

If you need a catch basin riser to bring a 12-inch square basin up closer to grade, this NDS option is built for that job. It adds up to 6 inches of height, stacks directly on a 12-inch catch basin, and can be cut to size for a more tailored fit.

Best For: Raising a deeper-set 12-inch square catch basin without regrading or adding awkward piping.

Pros:

• Adds up to 6 inches of height to capture surface water more effectively.
• Stacks on a 12-inch catch basin and accepts a 12-inch grate on top.
• Can be cut to size to match your drainage project.
• Made of UV-inhibited polystyrene to help resist fading and cracking.

Cons:

• Designed for 12-inch square catch basins and low-profile adapter drains, so fit is specific.
• Grate load rating depends on the type of grate installed.

Overall, this is a practical catch basin riser for jobs where the basin sits too deep underground. It focuses on simple height gain and easy installation rather than a more complex drainage rebuild.

Stackable Large-Basin Kit – Polylok 24" Round Catch Basin Kit

This Polylok catch basin kit is a good fit when you want a larger round basin system with a stackable design. It includes the basin, heavy-duty grate, grommets, and stainless steel screws, with optional risers available separately if you need additional height.

Best For: Buyers looking for a 24-inch round catch basin kit that can be expanded with optional risers.

Pros:

• Includes a 24-inch basin with 25-gallon capacity.
• Comes with a heavy-duty grate, grommets, and stainless steel screws.
• Stackable design with optional 24-inch x 12-inch, 6-inch, and 2-inch risers available.
• Built as a complete kit for a straightforward start.

Cons:

• Risers are optional and sold separately.
• Its larger round format may not suit projects designed around square basins.

As a catch basin riser-ready system, this kit stands out more for its expandable layout than for a single included riser piece. It is best if you want a larger base and the flexibility to add height later.

Compatible Replacement Riser – NDS 916 9-Inch Square Basin Riser

When you need a replacement catch basin riser for a compatible 9-inch square basin setup, this black UV-inhibited polyethylene part is aimed at that exact role. It is described as a replacement for the NDS 916 and keeps the focus on simple fitment rather than a full kit.

Best For: Replacing a compatible 9-inch square basin riser with a straightforward part.

Pros:

• Designed as a replacement for compatible NDS 916 applications.
• Black polyethylene construction with UV inhibitors.
• Compact 9-inch size for square basin systems.
• Lightweight at 1.8 pounds.

Cons:

• Replacement part only, not a complete catch basin kit.
• Compatibility is specific to the intended square basin setup.

This is a focused catch basin riser option for replacing a worn or missing component, not for building out a new drainage system from scratch. It makes the most sense when you already know you need a compatible 9-inch square basin part.

Complete Height-Extension Kit – 12 Inch Catch Basin Riser and Drain Grate Kit

If you want a catch basin riser that also includes a matching drain grate, this 12-inch kit is built around that convenience. It adds up to 6 inches of height, works with 12-inch catch basins and low-profile adapters, and is intended to help manage surface water without regrading.

Best For: Homeowners or contractors who want a 12-inch riser kit with a grate included for surface drainage.

Pros:

• Adds up to 6 inches of height to improve surface water capture.
• Includes a drain grate that helps block leaves and debris.
• Claims 162 GPM water flow capacity through the grate.
• Can be cut to size and installed on top of 12-inch catch basins.

Cons:

• Designed for 12-inch systems, so it is not a universal fit.
• Drain grate performance depends on proper installation and project conditions.

For buyers comparing catch basin riser kits, this one is attractive because it bundles the riser and grate into a single solution. That makes it a practical choice when you want to extend basin height and address debris control at the same time.

Stackable 12-inch basin extension – Tempo 12" Square Basin Riser

If you need a simple catch basin riser for a 12″ square basin, this Tempo unit is built to add about 6″ of height without changing the basin footprint. It is made from high impact polystyrene for durability and UV resistance, and it installs directly on top of the matching basin. Because multiple risers can be stacked, it is useful when you need a taller setup in a landscape drainage system.

Best For: Extending the height of a 12″ square catch basin in a modular way.

Pros:

• Adds approximately 6″ of height to the basin.
• Made of HIPS for durability and UV resistance.
• Can be stacked with additional risers for more height.
• Made in the USA.

Cons:

• Only fits the 12″ square catch basin.
• Does not include the basin itself.

This is a straightforward adapter-style riser for buyers who already use the compatible basin and want a proven way to raise the access point. If your project needs a clean height increase, the stackable design makes this a flexible option.

NDS basin height extender – NDS Black Catch Basin Riser 18 in.

This catch basin riser is a black plastic adapter sized at 18 x 18 x 8 inches, making it a practical choice when you want to increase basin height in a drainage assembly. The supplied details identify it as an NDS basin accessory, which makes it easy to match to a compatible NDS setup. If you are replacing or extending an existing basin system, the larger square format gives you a clean way to build upward.

Best For: Adding height to a compatible NDS catch basin setup.

Pros:

• Large 18 x 18 x 8-inch square format.
• Plastic construction with black finish.
• Identified as an NDS basin accessory.
• Useful for basin height extension projects.

Cons:

• Compatibility details are limited in the supplied notes.
• Does not include installation hardware or a basin.

For shoppers already working with NDS parts, this is a straightforward catch basin riser option with a simple, utilitarian design. The key advantage is the roomy square size, which makes it a solid fit for extension jobs where dimensions matter.

Drainage starter basin kit – Polylok 12"x12" Square Catch Basin Kit

Although this is more of a catch basin kit than a standalone catch basin riser, it matters for buyers planning a drainage build that may later need height adjustments. The Polylok 12″ x 12″ square basin comes with a green grate, precut inlet/outlet holes, and seals that accept 2″, 3″, 4″, and corrugated pipe. It is also described as fitting 6″ pipe, which makes it a versatile base for landscaping applications.

Best For: Starting a modular drainage setup with a 12″ x 12″ basin kit.

Pros:

• Includes a 12″ x 12″ square basin with green grate.
• Precut with two inlet/outlet holes.
• Accepts 2″, 3″, 4″, and corrugated pipe.
• Designed to withstand normal abuse in landscaping applications.

Cons:

• Not a riser by itself.
• Compatibility details are centered on the included basin rather than extension parts.

If you are building a drainage system from scratch, this kit gives you a durable starting point before adding accessories like a catch basin riser. Its main strength is flexibility, since the basin is already set up for multiple pipe sizes and common landscape use.

Compact 6-Inch Add-On – 1216 Black Catch Basin Riser

This catch basin riser is made to add 6 inches of height to a compatible 12-inch catch basin series. It has no bottom, so it functions as an extension piece rather than a standalone basin, making it a straightforward way to raise your drainage setup without reworking the whole system.

Best For: Extending a 12-inch catch basin system by 6 inches with a simple black riser.

Pros:

• Adds 6 inches of height to a 12-inch catch basin series
• Bottomless design keeps it focused on riser use only
• Black finish for a clean, low-profile look
• Compact weight of 2.75 lbs for easy handling

Cons:

• Must be used with a 12-inch catch basin series
• No bottom, so it cannot be used as a standalone basin

If you already have the matching basin, this riser offers a simple height increase without adding complexity. It is best viewed as a system-specific accessory for adapting an existing catch basin setup.

Stackable Drain Box Upgrade – FSD-3009 6-Inch Drain Box Riser

This catch basin riser is designed for a 20-inch storm drain drain box and uses a screw-together assembly for installation. Its stackable design and internal structural ribs are intended to help it hold shape and support use in frost-prone areas.

Best For: Building up a 20-inch drain box with a stackable, screw-together riser.

Pros:

• Fits a 20-inch drain box catch basin
• Stackable design with screw-together assembly
• Internal structural ribs help it hold shape
• Water- and air-tight lid/grate/basin compatibility is noted

Cons:

• Lid, grate, and basin are sold separately
• Only works with the specified 20-inch system
• Frost-resistant features are aimed at frost-prone areas, not every install

For a compatible 20-inch storm drain setup, this riser is built as a practical add-on with a sturdy, stackable form. It is a good fit when you want a system-specific extension that stays simple and secure.

Complete Basin Match – NDS 1216 Catch Basin Riser and Drain

This catch basin riser package pairs a 6-inch height increase with a 12-inch square catch basin drain. The riser stacks on top of the basin, while the drain is designed to collect heavy stormwater flows and connect to 3-8 inch pipes with outlet adapters sold separately.

Best For: Buyers who want a matched 12-inch catch basin drain and riser in one package.

Pros:

• Includes both the 12-inch catch basin drain and the riser
• Adds up to 6 inches of height for surface water capture
• Drain is built to collect heavy stormwater flows
• UV-inhibitors help resist fading and cracking over time

Cons:

• Outlet adapters are sold separately
• Only fits a 12-inch catch basin setup
• Product is a kit, so it may be more than needed if you only want a riser

If you need a matched drainage solution instead of just a riser, this option keeps the components aligned for a 12-inch system. It is a practical pick for installing or replacing a basin and riser together.

How We Picked the Best Catch Basin Riser

We looked for Catch Basin Riser options that cover the most common residential and light commercial drainage setups, with attention to basin size, shape, and adapter compatibility. We also favored products with practical height choices, stackable designs, and materials suited to outdoor exposure.

Quick Comparison

Before buying, confirm whether your system uses a square or round basin, then match the riser diameter or dimensions exactly. Next, compare the needed lift height and check whether the riser connects directly, stacks in layers, or requires a matching grate or adapter.

Key Buying Factors for a Catch Basin Riser

Size and Shape

The most important factor is physical compatibility. A square basin riser will not fit a round basin, and even small dimension differences can prevent a proper seal. Measure the basin opening and existing drain components before ordering.

Height Requirements

Choose the lowest height that brings the basin or grate level with the finished surface. Oversizing the rise can create a trip point or make maintenance harder, while undersizing may leave the drain ineffective after landscaping or paving.

Material and Durability

Most buyers should look for UV-resistant polyethylene or similarly durable plastic that can handle sun exposure, moisture, and freeze-thaw cycles. In heavy-duty applications, thicker walls and reinforced construction are worth prioritizing.

Stacking and Accessories

Some systems are stackable, which is useful when you are not sure of the final grade. Others include a matching grate or adapter for faster installation. If you are replacing an existing setup, confirm whether the kit includes all needed pieces or only the riser itself.

Who Should Buy Which Catch Basin Riser?

Homeowners with a standard square basin usually benefit from a direct-fit model that matches their existing drain size. If you are adjusting grade during a landscaping project, a stackable or modular Catch Basin Riser offers more flexibility. For larger stormwater setups or deeper drainage boxes, choose a taller or more heavy-duty option that better matches the overall system capacity.

If you are unsure, start with the basin dimensions and the finished surface height. Those two numbers will quickly narrow the field and help you avoid compatibility issues.