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How To Estimate Plumbing Work?
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Building a new home is a complicated endeavor that is compounded by the various elements that each individual task requires, such as the costs for plumbing a home. This is completely separate from, say, the framing of a home or installing tile on floors, and is thus normally bid out separately. If you want to estimate plumbing costs for new construction, it helps to know the complexities you can run into.
Learn how to estimate plumbing work and estimate your plumbing project costs for precise budgeting.

Frequently Asked Questions ( FAQs)
Typically, plumbers are subject to an hourly rate, which is often between $50 and $230. Common repairs attract an average rate of $140. Some plumbers prefer a flat rate estimate as the variables involved in plumbing repair make it hard to have an hourly rate.
The first thing you need to do before installing a plumbing system is to obtain and secure the right permits. It may take you some time to process everything, but securing permits will help ensure that your home meets all code guidelines and safety requirements.
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Most Common Types Of Plumbing Pipes. There are five plumbing pipe materials that are — or were in the case of galvanized steel — most common: copper, galvanized steel, polyvinyl chloride (PVC), chlorinated polyvinyl chloride (CPVC) and cross-linked polyethylene (PEX).
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Rough Square Footage Costs
There is much more to a plumbing estimation than just the footage, but it’s always best to get a rough idea up front of how much you may be dealing with and then go from there with specifics related to your individual project. National averages for plumbing work are around $6 per square foot for rough-in plumbing as of 2012, but some areas, such as San Francisco for example, can run more than $7 per square foot depending on the professional you are dealing with. If you have the relevant licenses and skills to run the plumbing yourself, you can save about half the money of these costs.
Beyond Square Footage
The reality is that every project is much more than just the square or linear footage. For example, a two-story home will require significantly more work than a one-story home, and installers usually include extra money in an estimate to cover the additional work. Add-on buildings or areas can include surcharges related to cleaning, protecting the existing home (such as carpeting and tiling) from dirt and debris during the installation, and beyond. Realize that the per foot estimate is nothing more than a rough idea and your specific project will have distinct characteristics that can affect that number.

Excavation
Most brand new additions will require excavation to run drain pipes out of the home as well as run water lines from the city main into the home. This is not a simple shovel-and-dig type of excavation. It requires the use of heavy equipment and the associated skills for using that equipment, which means hiring an excavation crew. The rates can range between $80 and $135 per hour depending on the contractor, or the charge may be by the yard, which can range between $85 and $230 per yard. No two projects ever cost the same, so your rates could vary depending on the size of your project, amount of dirt to be removed, the layout of the home, and beyond.
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Importance of Measuring
Know the size of your pipes beforehand. Consider little things, such as running 3-inch pipe for showers to accommodate for future renovations when most people only run spec pipe, which is 2 inches for showers. In addition, pipe fittings range greatly in price, depending on the size and type of pipe you are working with. For example, PVC pipe is some of the cheapest you can use and is most commonly seen in residential applications, but larger diameters cost more money, so 2-inch pipes and fittings will cost less than 4-inch pipes and fittings.
Seeking Professional Help
If you don’t know down to the exact letter the ins and outs of plumbing from years of working in the industry, the actual measuring of footage is something best left to a professional, given the complexity of the task. While you can do it yourself, the old adage about “trial and error” will certainly come into play. For the best results, at least hire a consultant to help you with the complexities of measuring and estimating so that you can get it right the first time rather than finding out midway through the project that something critical was left out, such as adding vent pipes or figuring the wrong diameter for a drain pipe to a washing machine or dishwasher.
Cost to Plumb a New House
The cost to plumb a new 2,000-square-foot home with 2 or 3 baths ranges from $8,400 to $12,700 on average. Installing new plumbing depends on the type of materials used, the number of bathrooms and plumbing fixtures, how far apart the bathrooms are, and how many stories the house has.
To get an accurate price quote for your new plumbing installation, get free estimates from top-rated plumbing contractors near you.

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RESIDENTIAL PLUMBING ESTIMATING
Our Plumbing estimators can assist you in preparing fast and accurate estimates to save time, and meet your deadlines.
We make sure to include all the details necessary such as the precise number of pipes, fittings, valves, insulation, and other accessories like toilets, sinks, showers, faucets, etc.
We quantify all kinds of residential plumbing works.
- Kitchen & Bathroom Plumbing
- Water Heaters
- Swimming Pool Plumbing
- Floor Drains & Laundries
- Garbage Disposal Ducts
- Domestic HVAC Systems
- Gas Lines
- Main Sewer Lines
- Water Lines
- Surface Trench Drains
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Commercial Plumbing Estimating
We here to help you scale your business, we will delivery you an accurate estimate for your plumbing projects, with material and cost. We totally understand the complexity of the job of commercial plumbers, therefore we carefully itemize all the components such as pipes, fittings, fixtures, valves, and various other accessories for multiple floors.
- Commercial HVAC Systems
- Solar Hot Water Heating System
- Sewer, Gas & Water Lines
- Commercial Water Heaters
- Irrigation Systems
- Pumped Sewerage Reticulation
- Roof Water Catchment
- Landscape Watering Systems
- Swimming Pool Plumbing Systems
- Cold Water Reticulation & Pressurisation
- Hot Water Generation & Reticulation
- Fire Hydrant & Hose
- Sanitary Plumbing and Drainage
- Sub-Soil Drainage Systems
- Stormwater Discharge
- Water Conservation
- Water Filtration
- Recycled Water Systems
Plumbing Cost Per Square Foot
Plumbing costs $4.50 per square foot on average when estimating the installation in new construction. This is an estimate only—factors such as the variable cost of fixtures and plumbing materials can drastically change the cost of plumbing.
Cost to Replumb a House
Replumbing a 1,500-square-foot home costs between $2,490 and $4,580, or $0.60 to $2.50 per linear foot depending on the type of pipe used. An accurate estimate depends on the number of bathrooms, how far they are from the kitchen, where the laundry room is, and the number of fixtures.
The cost to replumb a house varies widely, depending on many factors, the biggest two being the size of the house and the materials used. Most homes older than fifty years need to be replumbed because of corroded or cracked pipes. A bigger house or building will cost more to redo than a smaller one, and a home replumbed with copper pipe will cost more than one replumbed with PEX.
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Repipe a House with Copper Pipe
The cost to repipe a house with the copper pipe is between $8,500 and $16,800 or about $4 to $10 per linear foot. Replacing galvanized drain, waste, and vent pipe with copper costs $15 to $17 per linear foot. Copper pipe is more expensive than PEX, but it has some excellent benefits.
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Copper is naturally resistant to bacteria.
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It is recyclable and easy to install—not as easy as PEX, but still manageable.
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If you live in an area prone to earthquakes, copper is very resilient and may not break during an earthquake, saving your home from expensive water damage.
Rough-In Plumbing Cost for New Construction
Rough-in plumbing costs range from $10,000 to $15,000 for a new construction home around 2,000 square feet with 2 or 3 bathrooms. Installing new fixtures, like bathtubs, sinks, dishwashers, or toilets will cost between $550 and $2,100 per fixture or about $5,000 for all.
The total cost for rough-in plumbing and installing fixtures is about $15,000 to $22,000. The term “rough-in plumbing” means that all the pipes are installed and connected to each other and the water main, but no sinks, faucets, or toilets have been installed. Once you’ve chosen the faucets and fixtures, that adds to your estimate.


Cost to Replumb a House
Replumbing a 1,500-square-foot home costs between $2,750 and $5,030, or $0.70 to $3.00 per linear foot depending on the type of plumbing pipe used. An accurate estimate depends on the number of bathrooms and other areas for plumbing, how far they are from the kitchen, where the laundry room is, and the number of fixtures.
The cost to replumb a house varies widely, depending on many different factors, the biggest two being the size of the building and the plumbing materials used. Most homes older than forty years need to be replumbed because of corroded or cracked plumbing pipes. A bigger house or building will cost more to redo than a smaller building, and a home replumbed with copper pipe will cost more than one replumbed with PEX.
Pipe Material | Cost Per Linear Foot | 2,000 SF Home |
---|---|---|
Install PEX Tubing | $0.70 – $0.90 | $3,600 – $7,600 |
Install Copper Pipe | $4 – $10 | $8,000 – $20,000 |
Replace Galvanized Pipes | — | $4,000 – $18,000 |
Replace Lead and Polybutylene Pipe | — | $3,000 – $18,000 |
Remove Existing Pipes | — | $1,200 – $5,500 |
Replace Water Main | $35 – $56 | $1,200 – $2,800 |
Install Water Main (Meter to Home) | $55 – $170 | $1,900 – $3,400 |
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New Plumbing Pipe & Materials Costs
If you want to put new pipes in your home or you’re building a home, there are three types of new plumbing pipes available that are building-code-approved for homes—copper, PEX, and CPVC (chlorinated polyvinyl chloride). PEX and CPVC are both plastics and are excellent alternatives to pricey copper piping.

Material | Price Per Linear Foot |
---|---|
Copper, ½” | $2.03 |
Copper, ¾” | $3.75 |
Copper, 1” | $5.04 |
PEX, ½” | $1.30 |
PEX, ¾” | $1.60 |
PEX, ¾” | $1.60 |
CPVC, ½” | $1.40 |
CPVC, ¾” | $2.66 |
CPVC, 1” x 5 ft. | $3.56 |
Main Water Line Installation Cost per Foot
The main line for your water is considered a branch line from your town or city’s main line. It extends from the edge of the property to the water meter at your house. Because this distance changes by the property, costs are generally calculated by the linear foot. Several methods of installation or replacement and different materials and soil impact the cost per foot. Your main water installation ranges from $85 to $2,450 a foot, with most people paying between $120 and $230 a linear foot.
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Process To Get Plumbing Estimate Report
Here I am going to share some steps to get your plumbing estimate report.
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You need to send your plan to us.
You can send us your plan on info@estimatorflorida.com
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You receive a quote for your project.
Before starting your project, we send you a quote for your service. That quote will have detailed information about your project. Here you will get information about the size, difficulty, complexity and bid date when determining pricing.
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Get Estimate Report
We do plumbing estimating and prepare a detailed report for your project. At last you finalize the report and finish the project.
Comprehensive Trade-Specific Estimates
At Estimate Florida Consulting, we offer detailed cost estimates across all major trades, ensuring no part of your project is overlooked. From the foundation to the finishing touches, our trade-specific estimates provide you with a complete and accurate breakdown of costs for any type of construction project.
Our Simple Process to Get Your Estimate
Upload Plans
Submit your project plans, blueprints, or relevant documents through our online form or via email.
Receive Quotation
We’ll review your project details and send you a quote based on your scope and requirements.
Confirmation
Confirm the details and finalize any adjustments to ensure the estimate meets your project needs.
Get Estimate
Receive your detailed, trade-specific estimate within 1-2 business days, ready for your project execution.



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