PhillyHomeCosts

Sump Pump Installation Cost in the Philadelphia Area

By Tom Alvarez · Sources verified by the editorial team on Oct 31, 2026

Below: what installation costs in Philadelphia and nationally, the main pump types, where discharge can legally go in Philadelphia and the suburbs, electrical and permit needs, upkeep, programs and insurance. If your problem is sewage coming back up through floor drains, see our sewer line replacement guide instead. A sump pump handles groundwater, not sewer backups.

What sump pump installation costs in Philadelphia

These figures are from Angi's Philadelphia sump pump page (updated Jun 10, 2026). Angi says it builds local figures using the U.S. Bureau of Economic Analysis's Regional Price Parities, "which measure price differences across cities." Treat them as estimates, not quotes.

Item Angi Philadelphia figure
Typical installation $821–$1,539; $1,129 average
Low and high end $693 low; $2,565 high
By size: 1/3 HP (about 2,000 GPH) $800–$1,500
By size: 1/2 HP (about 3,000 GPH) $800–$2,000
By size: 3/4 HP or larger $1,600–$3,200
Dual pump or multiple pits $2,000–$4,000+
Crawlspace installation $4,000 or more
Plumber labor $75–$150 an hour

Angi's page also says that "Dual-pump systems cost up to twice as much as a standard one-half-horsepower (HP) sump pump."

A note on this source: the Philadelphia page has template errors (part of it refers to septic tank service), and it claims a possible "30% to 50% return on investment" that it doesn't back up. We haven't used that figure.

National figures

These are national averages, not Philadelphia prices.

  • Angi (national page, updated Oct 5, 2026): $1,100 average; most pay $800–$1,500; low end $675, high end $2,500. Angi says the article "was created using automation technology" and checked by an editor. Labor: minimum service fees from $100 and $50–$150 an hour. Permits, where required, $50–$250. Smart alarms and Wi-Fi monitors $100–$500. Check valves, pit covers and upgraded discharge lines $50–$300 each.
  • HomeGuide (Aug 26, 2023, so older): $1,600 average; $600–$2,500 typical; $450 minimum and $4,000 maximum. The pump itself $100–$800 and labor $500–$1,700. Replacing an existing pump $400–$700. Breaking up a concrete floor for a new pit adds $2,500–$5,000.

Sources conflict: Angi's national average ($1,100) is well below HomeGuide's ($1,600). HomeGuide's figures are three years older. Our reading: a job that needs a new pit cut into the slab is likely to land at the high end or above, since HomeGuide prices that work alone at $2,500–$5,000.

Pump types and what they cost

Angi gives type ranges on both its Philadelphia and national pages. Oddly, its Philadelphia ranges are lower than its national ones for most types, even though Angi says Philadelphia "has an above-average cost of living." We show both.

Type Angi Philadelphia Angi national
Submersible $600–$2,500 $1,200–$3,000
Pedestal $500–$1,200 $800–$1,500
Water-powered (backup) $600–$1,500 $1,200–$2,500
Battery backup (add-on) $1,000–$3,000 $1,000–$2,000
Crawl space or exterior $1,500–$4,500 $1,500–$4,000
  • Submersible: the pump sits in the pit, under water. Angi says submersible pumps "are quieter but more expensive." HomeGuide (2023, national) puts the unit alone at $100–$800.
  • Pedestal: the motor sits above the pit, where it's easier to reach. HomeGuide puts the unit alone at $100–$400 and says pedestal pumps last "10 to 30 years," but are louder and less powerful. It says submersibles have a "Shorter lifespan than pedestal pumps."
  • Battery backup: a second pump that runs on a battery. HomeGuide describes it as a backup "in case of power outages." HomeGuide says the batteries "need to be replaced every 3 to 5 years." For longer outages, see our generator installation guide.
  • Water-powered backup: uses city water pressure instead of electricity. Angi says water-powered and battery backups "offer extra protection during power outages." See the next section for its plumbing requirements.

Water-powered backup pumps: the fine print

Water-powered backups need more than a pump. The installation manual for one model, the Zoeller 540 FLEX, says:

  • It "must be installed with a listed backflow device suitable for the installation, in accordance with the local plumbing code, such as a reduced pressure principle backflow preventer (RP)."
  • Water pressure must be "40 PSI minimum with valve open," with an 80 PSI maximum with the valve open.
  • It needs permanent piping: "DO NOT use a garden hose."
  • For a primary pump plus a backup in the same pit, it recommends a pit "18" in diameter or larger."

HomeGuide notes water-powered pumps "use the flow of municipal water." Our reading: that rules them out for homes on a private well. Check your home's water pressure and the cost of the backflow preventer before choosing this type, and remember that it uses city water every time it runs. We couldn't confirm typical water pressure in Philadelphia homes, and other models may have different requirements.

Sump pump or something else? Basement water in context

The City of Philadelphia's flood guide separates two problems:

  • Groundwater flooding, when "the ground around your home is saturated" and water can seep into your basement. Its suggested fixes are sealing cracks, using a sump pump and sloping the ground away from the house.
  • Sewer backups, when heavy rain overloads the sewer and water comes up through basement drains and fixtures. A sump pump doesn't fix this. A backwater valve can help, and the Water Department offers free installation through its Basement Backup Protection Program (more below). Our sewer line guide covers backups and laterals.

A sump pump can be one part of a larger basement waterproofing job. HomeGuide (2023, national) says digging a new drainage system or updating an existing one costs $4,000–$12,000. Our suggestion: if water is coming in through the walls, get a waterproofing assessment as well as a pump quote.

Where the discharge line can drain

The discharge line carries water from the pit to the outside. Where it ends is regulated, and the rules differ by town.

Philadelphia

Philadelphia's plumbing code (City of Philadelphia Code, Title 4, current through Oct 8, 2026) says:

  • "Storm water shall not be drained into sewers intended for sewage only." (P-1101.3)
  • For one- and two-family homes, "where approved, storm water is permitted to discharge onto flat pervious areas, such as streets or lawns, or area drains provided that the storm water flows away from the building." (P-1101.2)
  • Pump discharge piping must include a check valve: "In one- and two-family dwellings, only a check valve shall be required." (P-1113.1.4)

Our reading: discharging onto your lawn or yard, away from the house, is the approach the code describes for homes. Whether you can tie a sump pump into your house drain depends on the sewer serving your street and on L&I's approval. We couldn't confirm the rule for that. Ask the Philadelphia Water Department or your master plumber before you connect a pump to any drain.

Pennsylvania suburbs

Each township and borough sets its own rules. One example: Cheltenham Township (Montgomery County) makes it unlawful to send stormwater, groundwater or sump pump water into its wastewater (sanitary sewer) system. Its ordinance requires rigid pipe (at least one-inch inside diameter) through the foundation wall, with the discharge "directed away from the foundation wall," and says "No discharge shall be directed so as to impact neighboring properties." A pit you don't use must be "permanently filled with concrete." The township can grant a seasonal waiver to discharge into the sewer between November 30 and March 31, with inspections.

Our reading: other suburbs we looked at have similar rules, but we only checked Cheltenham's full text. Call your code office before you route a discharge line.

New Jersey

In Cherry Hill, the property maintenance code says that if discharge goes into the public right-of-way, "a Right-of-Way permit shall also be required." The township inspector can require a direct connection to a storm sewer where that's feasible, and discharge on your own property must not "adversely impact adjacent, adjoining or nearby property." Other New Jersey towns have their own rules.

Electrical and GFCI needs

  • GFCI: Philadelphia uses the 2020 National Electrical Code, according to L&I's list of applicable codes. The National Association of Home Builders' summary of the 2020 code says it "requires all basement receptacles to have GFCI protection," where it used to apply only to unfinished basements. Suburban towns may be on a different edition; we couldn't confirm which.
  • Nuisance trips: InterNACHI, a home inspectors' association, notes "considerable debate among inspectors" about GFCIs on sump pumps, because a tripped GFCI shuts the pump off. Our reading: don't skip a required GFCI. A high-water alarm and a backup pump are better ways to catch a tripped circuit.
  • Permits: in Philadelphia, you need an electrical permit for installing, altering or replacing electrical systems. Plugging approved equipment into an existing receptacle is listed as work that may not need one. Our reading: adding a new circuit or receptacle for the pump would need a permit.

Permits and who can do the work

  • Philadelphia: "You need a permit for plumbing work," including installation and replacement. The City lists exemptions such as "Minor repairs with the same material." Our reading: a new pit and discharge line needs a plumbing permit. We couldn't confirm whether swapping a pump like-for-like counts as a minor repair. In Philadelphia, "Plumbing work needs to be done by a licensed master plumber." See our plumber cost guide for how to check a license.
  • Pennsylvania suburbs: under the state's Uniform Construction Code, an owner who wants to "install, enlarge, alter, repair, remove, convert or replace" a regulated plumbing or electrical system must first get a permit. Emergency replacement can go ahead first if the permit application is filed "within 3 business days." Ask your township or borough code office how it applies this.
  • New Jersey: the state's list of ordinary plumbing maintenance that needs no permit doesn't mention sump pumps. We couldn't confirm whether replacing one needs a permit; ask your construction official.

Maintenance and replacement life

  • Life: InterNACHI's life-expectancy chart lists a sump pump at 7 years. HomeGuide says pedestal pumps last "10 to 30 years" and submersibles have a shorter life. Sources conflict; treat 7 years as a rough guide for a submersible, not a guarantee.
  • Testing: InterNACHI says a pump can be tested "by pouring water into the pit to make sure it becomes activated and expels the water," and that "Maintenance should take place annually." Check that the float isn't tangled or stuck. Never reach into the pit.
  • Check valve: InterNACHI says a check valve stops pumped water in the discharge line from flowing back into the pit when the pump shuts off.
  • Backup batteries: HomeGuide says they need replacing every 3 to 5 years.
  • Winter: Angi lists freeze protection for discharge lines as a common upgrade in cold climates.

Rebates and programs

  • Philadelphia Water Department: we found no sump pump rebate. The Basement Backup Protection Program offers "Free backwater valve installation to reduce backups" and "Free downspout modifications, if needed." To be eligible, "your property's water bill must be current." Those help with sewer backups, not groundwater.
  • Utilities: we found no PECO, PSE&G or other utility rebate for sump pumps.

Insurance: what's covered and what isn't

This is general information, not advice about your policy. Read your own policy and ask your agent.

  • Flood insurance (NFIP): the federal Standard Flood Insurance Policy lists "Sump pumps" among the basement items its building coverage includes. But it excludes water that "Discharges or overflows from a sump, sump pump, or related equipment," unless "there is a flood in the area and the flood is the proximate cause." The Pennsylvania Insurance Department says NFIP policies usually have a 30-day waiting period.
  • Homeowners insurance: New Jersey's Department of Banking and Insurance says most homeowners policies don't cover "Damage from Sewer Backup or Sump Pump Overflow." It says limited coverage "may be available separately as an endorsement which is usually limited to $5,000," and calls it an important one to consider "since downed power lines in a storm may cause sump pumps to stop working, resulting in damage." We didn't find a similar Pennsylvania Insurance Department page. Michigan's insurance regulator adds that water-backup coverage typically doesn't cover "Repair or replacement of a broken sump pump." Policies vary by insurer and state, so check yours.

FAQ

How much does it cost to install a sump pump in Philadelphia?

Angi's Philadelphia page puts it at $821–$1,539, with a $1,129 average. That's a modeled estimate. Jobs that need a new pit, a battery backup or a second pump cost more.

How much does a battery backup sump pump cost?

Angi lists battery backup as an add-on of $1,000–$3,000 in Philadelphia and $1,000–$2,000 nationally. HomeGuide says the batteries need replacing every 3 to 5 years.

Can I drain my sump pump into the sewer in Philadelphia?

Not into a sewer meant only for sewage: Philadelphia's code says "Storm water shall not be drained into sewers intended for sewage only." For homes, the code allows discharge onto lawns or other pervious areas where approved, as long as the water flows away from the building. Ask the Water Department or a master plumber before tying into any drain.

Does a sump pump need a GFCI outlet?

Under the 2020 National Electrical Code, which Philadelphia uses, all basement receptacles need GFCI protection. Pair it with a high-water alarm so you know if it trips.

How long does a sump pump last?

InterNACHI's chart says about 7 years. HomeGuide says pedestal pumps can last 10 to 30 years. Test it at least once a year.

Does homeowners insurance cover a failed sump pump?

Usually not without an add-on. New Jersey's insurance regulator says most policies don't cover sump pump overflow, and that an endorsement, usually limited to $5,000, may be available. Michigan's regulator says that kind of coverage typically doesn't pay to fix or replace the broken pump itself. Ask your agent what your policy covers.

Thinking about a project?

If you'd like a quote from a local contractor, you can use our quote form. We may be paid by contractors when we refer a job to them. That doesn't change the costs or rules in this guide, which come from the sources listed below. Learn how we make money.

Sources

All checked Oct 31, 2026.