🔶 FL Sewer Cleanout Placement Guide

FPC 708.3 / 708.4 / 708.5 — cleanout spacing, size, access clearance, and direction-change requirements

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📐 Cleanout Spacing Calculator

Add each run segment and direction change — required cleanout locations are calculated per FPC 708.

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Cleanout Requirements

📊 Cleanout Size Reference (FPC 708.8)

Drain Pipe Size	Min Cleanout Size	Notes
2" pipe	1½" cleanout	Min 1½" CO
3" pipe	3" cleanout	Full-size CO
4" pipe	4" cleanout	Full-size CO
5" pipe	4" cleanout	Min 4" CO
6" pipe	6" cleanout	Full-size CO
8"+ pipe	6" cleanout	Min 6" CO

FPC 708.8 — Cleanout size rule: Cleanouts shall be the same nominal size as the pipe served, up to 4". Pipes larger than 4" require minimum 4" cleanout. Exception: pipes 8" and larger may use 6" cleanout if provided with test tee.

FL slab construction note: Cleanout at or within 5 ft of building foundation required at grade (FPC 708.5). Many FL counties require a 4" CO at building exit point regardless of pipe size — verify with local AHJ.

🗺️ Cleanout Placement Diagram

FPC 708 cleanout placement: building exit CO + every 100 ft + every direction change ≥45°. All COs accessible per FPC 708.7.

🔍 Access Clearance Requirements (FPC 708.7)

FPC 708.7 — Cleanout access: All cleanouts shall be accessible. Cleanouts in concealed locations shall be provided with access panels.

Clearance Requirements by CO Size

CO Size	Min Clearance in Front	Min Side Clearance	Notes
1½" – 2"	18 inches	None req.	Small fixture drain CO
2½" – 3"	18 inches	None req.	Standard residential
4"	18 inches	None req.	Most common FL main
6"	18 inches	None req.	Commercial / large main
8"+	18 inches	None req.	Manhole preferred

FPC 708.7 — Grade requirement: Cleanout plugs and access covers shall be flush with or above finish grade.

FL slab construction: Under-slab cleanouts must be brought to grade level. A CO box (concrete or plastic) is required by most FL building departments to protect the CO and provide future access. Do NOT bury under pavers without a box.

FPC 708.7.1 — Cleanout in walls: Where cleanout is installed in a wall, an access panel of min 12"×12" is required. Access panels must be installed in a manner that allows full cleanout plug removal and rodding in both directions.

Floor cleanouts: Must have a recessed, vandal-resistant cover when installed in public areas (FPC 708.7.2). Heavy-duty cast iron covers required in driveways and traffic areas.

Cleanout Plug Types — FL Approved

Type	Material	Use	Notes
Countersunk plug	ABS / PVC	Interior, grade	Most common FL residential
Raised square plug	PVC / Brass	Interior, exposed	Easy removal
Test tee cap	PVC / DWV	Under slab	Use with CO adapter
Cast iron CO w/ plug	CI + brass	Commercial, exterior	Required in driveways
Two-way CO fitting	PVC	Near foundation	Allows rodding both ways

CO Location Scenarios (FL Common)

🏠 Residential — Single-Family (Slab)

Required: (1) Outside CO within 5 ft of building wall at slab exit (FPC 708.5); (2) CO every 100 ft of horizontal run to public sewer; (3) CO at each 90° or greater direction change. Most FL counties also require inside CO near toilet (4" CO) accessible through floor or wall access panel.

🏢 Commercial — New Construction

All FPC 708 residential requirements apply. Additional: CO at each floor for multi-story; wye-type CO required at junction of building drain and building sewer (FPC 708.5); manhole required when sewer exceeds 8" diameter or run exceeds 300 ft.

🔧 Replacement / Repair in Existing Home

Per FPC 101.3 (existing buildings): when replacing more than 50% of drain in any room or zone, bring to current code. Add CO at point of repair minimum. Many FL inspectors require full compliance with FPC 708 for any DWV permit.

🏖️ HVHZ / Miami-Dade / Broward

Standard FPC 708 applies. Miami-Dade Product Approval required for CO covers in exterior applications (FL Building Code 1714.5). CO must use listed corrosion-resistant cover in coastal locations subject to salt air. Brass plugs preferred over ABS in HVHZ for longevity.

📋 FPC Chapter 7 — Cleanout Code Reference

FPC 708.1 — Cleanout Required (Where)

FPC 708.1: Cleanouts shall be installed at the upper terminal of each horizontal drain and at intervals not to exceed 100 feet in horizontal drains 4 inches and smaller, and 150 feet in drains larger than 4 inches.

FPC 708.3 — Building drain and building sewer: At least one two-way cleanout shall be installed near the junction of the building drain and building sewer.

FPC 708.4 — Direction changes: Cleanouts shall be installed at each change of direction greater than 45° in the building drain, building sewer, or horizontal waste or soil lines. Changes of direction with a wye (less than 45°) do not require cleanouts.

FPC 708.5 — Building exit: A cleanout shall be installed at the point where the building drain exits the foundation. In buildings with a basement, a cleanout is also required at the foot of each vertical stack.

FPC 708.6 — Cleanout Fittings

FPC 708.6: Approved cleanout fittings include: wye-pattern CO plugs, tee-pattern CO plugs, test tees with plugs, and floor cleanout assemblies. No prohibited fittings: caps without removal capability, permanent plugs (glued solid), or cleanouts positioned to drain against flow.

Two-way cleanout: Required at or near building exit. Allows rodding both toward building interior and toward street — critical for diagnosing blockage location. Must be accessible at all times (FPC 708.7).

FPC 708.9 — Prohibited use: No cleanout shall be located in an inaccessible location (inside a finished wall without access panel, beneath a slab with no CO box, etc.). Cleanouts installed under grade must be within an approved CO box or utility vault.

Cleanout Compliance Checklist

Cleanout at building drain exit / foundation (two-way CO preferred) FPC 708.5 — required at point where building drain exits building; two-way CO per FPC 708.3 at junction

Cleanout spacing ≤100 ft on horizontal runs (4" and smaller) FPC 708.1 — max 100 ft between cleanouts for pipes ≤4"; max 150 ft for pipes >4"

Cleanout at every direction change >45° FPC 708.4 — required at each direction change exceeding 45°; wye fittings at ≤45° are exempt

Cleanout size matches pipe diameter (min full-size up to 4") FPC 708.8 — CO same size as pipe up to 4"; pipes >4" use min 4" CO; pipes >8" use min 6" CO

All cleanouts accessible at or above finish grade FPC 708.7 — no buried COs without CO box; no COs inside walls without access panel ≥12"×12"

Min 18" clearance in front of each cleanout FPC 708.7 — required working clearance for rodding equipment; verify before covering with landscaping or pavement

CO box or vault installed over under-slab cleanouts FL best practice / most FL AHJs — all COs at slab grade require approved box for future access and protection

Upper terminal CO installed at top end of each horizontal drain run FPC 708.1 — cleanout required at upper (upstream) end of horizontal branch; serves as first rod-access point

Cleanout orientation — opens in direction of flow (or upward) FPC 708.6 — CO must allow rodding in direction of flow; no COs opening against flow direction; vertical COs acceptable

Cleanout plug material appropriate for application (brass or PVC) Exterior/coastal FL: use brass or stainless plugs; ABS plugs acceptable interior; HVHZ: check product approval for exterior COs

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Florida Quick Answers

How much does sewer cleanout guide cost in Florida?

Costs vary by scope, home size, and your Florida region. Use the calculator above for a Florida-specific estimate rather than a one-size-fits-all price.

What affects the price?

Pricing depends on the size and layout of your home, the pipe materials and fixtures you choose, your Florida region and local labor rates, and permit fees. Work that is more complex or harder to access generally costs more.

Can I DIY this, or should I hire a licensed plumber?

In Florida, minor maintenance may be DIY, but anything beyond that generally calls for a licensed plumber, and many jobs require a permit and inspection. When a permit, or your main water or drain lines are involved, hire a Florida-licensed plumber.

Does homeowners insurance cover it?

It depends on the cause and your specific policy. Sudden, accidental damage is more often covered than gradual wear-and-tear or maintenance - confirm the details with your insurer.

How long does it take?

Timelines depend on scope - many routine jobs take a few hours to a day, while larger projects run longer. Your licensed plumber can confirm after assessing your home.

Plan with confidence

Planning estimate, not a quote — confirm with a licensed Florida plumber. Confidence is qualitative: ranges reflect this page’s Florida assumptions, not a guaranteed price.

Key assumptions

Estimates on this page are Florida-specific and reflect Sewer Cleanout Guide for typical Florida homes.

From this page: Costs vary by scope, home size, and your Florida region. Use the calculator above for a Florida-specific estimate rather than a one-size-fits-all price.

Your actual cost depends on your home's condition, layout, and local labor and permit rates.

Factors that raise or lower cost

From this page: Pricing depends on the size and layout of your home, the pipe materials and fixtures you choose, your Florida region and local labor rates, and permit fees. Work that is more complex or harder to access generally costs more.

Generally raises cost: harder access, older homes, added permits and inspections, premium fixtures or materials, and emergency or after-hours work.

Generally lowers cost: easy access, bundling several items in one visit, standard fixtures, and off-peak scheduling.

Preparation checklist

Clear access to the work area and locate your main and fixture shut-off valves.
Check with your county or city building department (AHJ) on whether a permit and inspection are required.
Note the make, model, or measurements of existing fixtures and pipe materials.
Get the scope, total price, warranty, and cleanup terms in writing before work starts.
Verify the plumber holds an active Florida license and carries insurance.

Questions to ask your plumber

Are you licensed and insured in Florida, and who pulls the permit?
Is the quote itemized for parts, labor, permit fees, and disposal?
What could change the final price once the work begins?
What warranty covers the parts and the labor?
How long will the job take, and will my water be shut off?

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Last reviewed: July 1, 2026 (US Eastern)

Reviewed by the FL Plumbing Tools editorial team.

Sources: Florida plumbing cost research and Florida Building Code / local authority-having-jurisdiction (AHJ) permit references.

Florida reference: Estimates and guidance reflect Florida labor rates, permitting, hard water, humidity, and coastal conditions.

Updates: Reviewed periodically and updated as Florida codes, permit fees, and market rates change.