Storage tank
$1,600–$2,400Typical cost, including installation
WATER HEATER REPLACEMENT IN DEKALB
DeKalb Water Heater
Replacement
Take a photo of your old water heater to start a replacement quote.
Get a water heater quotePhotos optional. No payment or booking.
See what replacement costs ↓DEKALB AT A GLANCE
Replacing a water heater in DeKalb.
Yes, DeKalb requires a plumbing permit for a water heater. It's $60 for a heater, a softener, or both, and you apply online through BS&A. Plumbers must register with the City each year. ComEd and Nicor Gas serve DeKalb. The city already softens its well water to about 7 grains per gallon.
- Permit to replace with the same type
- Yes · City of DeKalb Building & Code Compliance Division
- Permit fee
- $60 for a water heater, softener, or both, gas or electric (Schedule B, minor permits for one- and two-family homes; no date shown on the schedule).
- Who gets the permit
- The application asks for both the property owner's and the plumbing contractor's information. Plumbers must register with the City and send a copy of their State of Illinois license. The city doesn't state rules for homeowners.
- Electric utility
- ComEd
- Gas utility
- Nicor Gas
- Water
- City of DeKalb Water Division (six deep sandstone wells and three shallow wells, treated at ion exchange/iron removal plants) · softened to about 7 grains per gallon (2025 water quality report)
- Rebate worth checking
- Nicor Gas water heater rebates (Active)
- Typical home
- Built 1976 (median) · 42% owner-occupied
- Companies found
- 5 that advertise water heater work
01 / TYPICAL PRICES
What a new water heater costs.
Know before you call.
Heat-pump tank
$2,500–$5,000Typical cost, including installation
Tankless
$2,400–$5,400Typical cost, including installation
AI equipment illustrations; models vary and images are not to scale. Typical national prices from Home Depot ↗, checked September 28, 2026. The source doesn’t say how many jobs the ranges are based on. These are not DeKalb averages or guaranteed quotes.
Compare what each quote includes.Equipment · Labor · Permits · Old heater removalHow to compare quotes →
What we know about prices in DeKalb
- National installer’s published rangeThe ranges above. Home Depot ↗
- Local permit fee$60 for a water heater, softener, or both, gas or electric (Schedule B, minor permits for one- and two-family homes; no date shown on the schedule).. City of DeKalb Building & Code Compliance Division fee source ↗
- Local company’s advertised price1 of the companies listed for DeKalb post water heater prices or specials on their websites: Perfect Home Services. Each offer has its own conditions.
- Measured local dataNot collected yet, so no DeKalb average is shown.
What can change the price in DeKalb?
Electrical and HVAC work have their own permit applications. Schedule B lists $75 electrical inspection fees and $60 HVAC change-out fees.
02 / COMPANIES WE FOUND
Who replaces water heaters in DeKalb?
Companies that advertise water heater replacement here, with what their water heater customers say.
Companies we found in our research. They are not Ember & Tank providers or partners. We show selected reviews, not a rating or every review. How we choose reviews →
Lifeline Plumbing, Heating & Cooling
Lists DeKalb among the areas it serves. Based in 296 Williams Pl, East Dundee, IL 60118.
- Tank
- Tankless
- Heat pump
- Repair
- Emergency service
What the reviews say
Water heater feedback A customer praised friendly technicians who explained a water heater replacement in plain terms, finished quickly and charged a reasonable price.
Worth knowing No water heater complaints found in the sources checked.
1 water heater review read, checked September 30, 2026.
Perfect Home Services
Lists DeKalb among the areas it serves. Based in 78 Eisenhower Lane N, Lombard, IL 60148.
- Tank
- Tankless
- Repair
- Emergency service
Published price: $49 Water Heater Flush and Safety Inspection coupon (listed as expiring Oct 31, 2026); no installed water heater prices published
What the reviews say
Water heater feedback Reviewers praised quick same-day response, clear options and clean installs, including a replacement finished within five hours of the call.
Worth knowing On Yelp, one reviewer (2025) called a $4,000 bill for a standard tank replacement for their elderly mother predatory pricing, and another (2025) said a $60 diagnosis became $629 for a tankless unit and a $3,000 repair quote came with a week's wait; a 2018 reviewer said the installer left old vent work for them until the company returned, and the company apologized.
5 water heater reviews read, checked September 30, 2026.
Roto-Rooter Plumbing & Water Cleanup (Chicago)
Lists DeKalb among the areas it serves. Based in 166 W Washington St Ste 375, Chicago, IL 60602.
- Tank
- Tankless
- Heat pump
- Repair
- Emergency service
What the reviews say
Water heater feedback Reviewers praised prompt, polite technicians who explained how their heater works, showed them how to light a pilot, and tried to fix a faulty heater without extra parts charges.
Worth knowing Yelp reviewers said a Sunday replacement totaled $2,700 after a $400 mid-job increase (2025), a 20-year-old 40-gallon replacement was quoted at $3,200 against other quotes of $1,000-$1,200 (2019), and a relight on a heater under warranty cost $259 (2020); the company replied asking for details, with no outcome shown.
5 water heater reviews read, checked September 30, 2026.
Summers Plumbing Heating & Cooling
Lists DeKalb among the areas it serves. Based in Multi-state company (no HQ stated); Chicago-area offices at 506 E Summit St, Crown Point, IN 46307; 1260 Transport Dr, Valparaiso, IN 46383; 1935 Brandon Ct., Suite A-1, Glendale Heights, IL 60139; 724 E Veterans Pkwy Suite A, Yorkville, IL 60560.
- Tank
- Tankless
- Heat pump
- Repair
- Emergency service
What the reviews say
Water heater feedback One reviewer praised a tankless water heater installed with new HVAC and dehumidification equipment and said the company stands behind what it sells.
Worth knowing Yelp reviewers said a son's heater was replaced with a 50-gallon power-vent tank for $4,200 without the cost being discussed (2026), a technician recommended replacement without inspecting a tank that later worked after a flush (2026), and a heater Summers installed was called for replacement just out of warranty and a $59 fee was charged despite a service plan (2025); no company responses were captured.
4 water heater reviews read, checked September 30, 2026.
U.S. Water Heating Solutions
Lists DeKalb among the areas it serves. Based in Arlington Heights, IL (street address not published).
- Tank
- Tankless
- Heat pump
- Repair
- Emergency service
What the reviews say
Water heater feedback Reviewers praised a quick flame-sensor fix billed as just the service call, clear explanation of error codes, and phone advice that avoided an upsell.
Worth knowing A Chicago Yelp reviewer (2022) said they were charged a $170 trip fee plus $70 per 30 minutes, with time counted from the technician's GPS arrival while they were not yet home; other reviewers on the listing, not all local, also described service charges they felt were high.
3 water heater reviews read, checked September 30, 2026.
Order: companies based in DeKalb first, then companies whose water heater reviews we’ve read. Each group is alphabetical. These businesses are not our employees or vetted partners and do not receive requests from Ember & Tank. We haven’t checked their license, insurance or quality of work. IDPH plumber license verification ↗.
See before-and-after replacement examples from independent companies →
HOMES IN DEKALB
What DeKalb homes are like.
1976Median year built
59%Built before 1980
42%Owner-occupied
67%Heat with utility gas
49%Single-family homes
About 59% of homes were built before 1980. Older homes often have older venting, smaller closets and shutoff valves that should be checked before install day.
67% of homes heat with utility gas, so gas water heaters with existing venting are common here.
Only 42% of homes are owner-occupied. Renters should ask the landlord or property manager; replacing the heater is usually the owner’s decision.
U.S. Census Bureau, American Community Survey ACS 2024 5-year ↗ (2020-2024). Heating fuel is what homes use to heat the house. It often, but not always, matches the water heater’s fuel.
LOCAL CONDITIONS
What’s different in DeKalb.
The city already softens your water
DeKalb softens its groundwater with ion exchange to about 7 grains per gallon. The city says a home softener is a matter of preference and suggests trying the water without one first.
Water heater and softener share one fee
Schedule B charges $60 for a water heater, a softener, or both. Adding a softener with your new heater doesn't add a second charge.
ENERGY & WATER
Who supplies DeKalb homes.
Water
City of DeKalb Water Division (six deep sandstone wells and three shallow wells, treated at ion exchange/iron removal plants): softened to about 7 grains per gallon (2025 water quality report)
REBATES & CREDITS
Rebates for DeKalb homes.
For ComEd and Nicor Gas customers in DeKalb. Ask installers for the price before rebates, then check with the program that you qualify.
- Nicor Gas water heater rebates ↗Active$150 for an ENERGY STAR gas tankless water heater (UEF 0.95 or higher, 75 MBTUH or less), or $150 for an ENERGY STAR power-vented or condensing storage water heater (UEF 0.86 or higher).
- Illinois IRA Home Energy Rebates (HEAR and HOMES) ↗Not launchedIllinois EPA says its HEAR application has not yet been processed by U.S.
- Federal Energy Efficient Home Improvement Credit (25C) ↗EndedCovered improvements made through December 31, 2025.
Checked September 30, 2026. Who qualifies and the conditions: Illinois rebates · How to check an incentive.
PERMITS & LICENSING
Permits and licenses in DeKalb.
Permits and who issues them
DeKalb's plumbing permit application has a 'Water Heater' work type, and the fee schedule for minor home permits lists a water heater fee. Apply online through a BS&A account (homeowners and contractors both register) and upload the completed plumbing permit application.
Register every year by December 31. State-licensed trades like plumbers file a registration application with a copy of their Illinois license. General, electrical and mechanical contractors pay $50 a year and file a certificate of insurance. No permit is approved until registration is on file.
City of DeKalb Building & Code Compliance Division ↗ · DeKalb – Building Permits & Fees ↗ · DeKalb Plumbing Permit Application (8.2023, PDF) ↗ · DeKalb Schedule B – Minor/Miscellaneous 1 & 2 Family Residential (PDF) ↗ · DeKalb – Contractor Registration ↗
Check the installer’s license
Ask for the license number and search it yourself on the IDPH plumber license verification ↗. A listing on Ember & Tank is not a license check. Illinois licensing explained →
NEARBY CITIES
Compare places near DeKalb.
| City | Distance | Permit to replace | Fee | Electric |
|---|---|---|---|---|
| Sycamore | 6 mi | Check with city | $5 | ComEd |
| Campton Hills | 17 mi | Required | $100 | ComEd |
| Pingree Grove | 20 mi | Required | $75 | ComEd |
| Plano | 20 mi | Check with city | — | ComEd |
| Geneva | 22 mi | Required | $55 | City of Geneva Electric Utility |
| North Aurora | 22 mi | Check with city | — | ComEd |
COMMON QUESTIONS
DeKalb water heater questions.
How much is a water heater permit in DeKalb?
Schedule B lists $60 for a water heater, a softener, or both (gas or electric) on a one- or two-family home.
Does my plumber need to register with DeKalb?
Yes. Each year plumbers file a City registration with a copy of their Illinois license. No permit is approved until it's on file.
Do I need a water softener in DeKalb?
The city softens its well water to about 7 grains per gallon. It calls a home softener personal preference and suggests going without one first.
More guides: Illinois water heater replacement · All local guides