Water Heater in Long Island
Need fast water heater repair or replacement on Long Island? We handle water heater installation, repair, and tankless maintenance today. Our licensed, certified techs deliver upfront pricing and clean, careful work, backed by a 4.7 rating from 701 reviews. Serving Long Island, including Massapequa Park, NY, Islip Terrace, NY, and Amityville, NY. With same-day service and fully stocked trucks, we get hot water flowing again. Book online or call to schedule before colder weather increases demand.
Each image is a real worksite photo, reflecting the quality and dedication in every project.
Why Choose Us
What Our Customers Say
"We had Osvaldo and Luis come over to install a new water heater. We are extremely happy and satisfied with all the service provided."
"Goldstar had impeccable customer service - did a great job installing our new water heater. They were really knowledgeable and so professional and kind."
"They quickly identified the problem. Then they gave me three different solutions/options... The work was done quickly and efficiently."
Answers to Common Questions
View All FAQsWhy Is My Water Heater Not Heating Up Despite Resetting the Button?
Resetting the button often won’t bring back hot water if a part has failed. Likely causes include a tripped high‑limit switch, a bad heating element, a failed thermostat, gas control issues, or heavy sediment. Our licensed plumbers service tank and tankless units, using a $179 diagnostic (waived with repair) to pinpoint the problem. We offer same-day and 24/7 emergency water heater service across Nassau County.
- Check the breaker.
- For gas, confirm the valve is on and the pilot is lit.
- Look for leaks around the tank.
Need help in Garden City, NY? Call (516) 200-4014 or book online.
"James was very knowledgeable and came out the next day to work on our tankless water heater." — Michael A.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25weFpHRm1YekpWUldZM1JtMTVNSE5NZDIwNWVrRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CAIQACodChtycF9oOnpxZGFmXzJVRWY3Rm15MHNMd205ekE%7C0cguqnTHT7r%7C[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNYMGZubnNBRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgICX0fnnsAE%7CCgsI04nFuAYQsPuFXg%7C?hl=en-GB[2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNscGF1ODlBRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgIClpau89AE%7CCgsIqKOdqwYQkIbqOA%7C?hl=en-US[3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnTUNJb2VydVFnEAE!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgMCIoeruQg%7CCgwIw7e1vwYQuIbN_gE%7C[4] https://goldstar-plumbing.com/water-heater-repair-and-installation[5] https://goldstar-plumbing.com/leak-detection-and-pipe-repair[6] https://goldstar-plumbing.com/are-you-prepared-for-a-severe-winter/[7] https://goldstar-plumbing.com/long-island-hvac-service/[8] https://goldstar-plumbing.com/long-island-plumbing-service/[9] https://goldstar-plumbing.com[10] https://goldstar-plumbing.com/choosing-the-best-ac-brand-for-your-long-island-ny-home/[11] https://goldstar-plumbing.com/become-a-customer/What should I do if my water heater is leaking from the bottom?
Shut off the water and power, then call us. A leak at the bottom can worsen fast, and our licensed plumbers provide 24/7 emergency water heater service with flat-rate, up-front pricing. We’ll perform a $179 diagnostic (waived with repair) and give clear options on the spot from our fully stocked trucks in Nassau County.
Quick steps:
- Turn the cold-water shutoff valve to Off.
- Electric: switch the breaker Off. Gas: set the gas control to Off.
- Place a bucket/towels. Do not cap the relief valve discharge.
Need help in Garden City, NY? Call (516) 200-4014 or book online.
"James was very knowledgeable and came out the next day to work on our tankless water heater." — Michael A.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25weFpHRm1YekpWUldZM1JtMTVNSE5NZDIwNWVrRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CAIQACodChtycF9oOnpxZGFmXzJVRWY3Rm15MHNMd205ekE%7C0cguqnTHT7r%7C[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNYMGZubnNBRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgICX0fnnsAE%7CCgsI04nFuAYQsPuFXg%7C?hl=en-GB[2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNscGF1ODlBRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgIClpau89AE%7CCgsIqKOdqwYQkIbqOA%7C?hl=en-US[3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnTUNJb2VydVFnEAE!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgMCIoeruQg%7CCgwIw7e1vwYQuIbN_gE%7C[4] https://goldstar-plumbing.com/water-heater-repair-and-installation[5] https://goldstar-plumbing.com/leak-detection-and-pipe-repair[6] https://goldstar-plumbing.com/are-you-prepared-for-a-severe-winter/[7] https://goldstar-plumbing.com/long-island-hvac-service/[8] https://goldstar-plumbing.com/long-island-plumbing-service/[9] https://goldstar-plumbing.com[10] https://goldstar-plumbing.com/choosing-the-best-ac-brand-for-your-long-island-ny-home/[11] https://goldstar-plumbing.com/become-a-customer/What Should I Do If My Water Heater Is Not Producing Hot Water?
We offer 24/7 help for no‑hot‑water emergencies, but try these quick checks first. Gold Star services gas, electric, and tankless units across Nassau County with same‑day response and fully stocked trucks.
- Make sure the breaker or power switch is on.
- For gas units, confirm the pilot is lit.
- Verify the thermostat is set correctly.
- Press the reset button (electric models) if available.
- Check for leaks or rust‑colored water.
- If the heater is 10+ years old and failing, consider replacement.
Need help in Rockville Centre, NY? Call (516) 200-4014 or book online.
"James was very knowledgeable and came out the next day to work on our tankless water heater." — Michael A.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNMeXJTY1V3EAE!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgICLyrScUw%7CCgwI7LjCswYQ2OaYwAI%7C?hl=en-US[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURkel9UN2hRRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgIDdz_T7hQE%7CCgwIqZX9rgYQ6PaYtgM%7C?hl=en-US[2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnTUNJb2VydVFnEAE!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgMCIoeruQg%7CCgwIw7e1vwYQuIbN_gE%7C[3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNKN3FEOG13RRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgICJ7qD8mwE%7CCgwI24LspAYQgPugtQI%7C?hl=en-US[4] https://goldstar-plumbing.com/about/#faq[5] https://goldstar-plumbing.com/news/[6] https://goldstar-plumbing.com/drain-cleaning-and-clog-removal[7] https://goldstar-plumbing.com/ductless-mini-split-systems[8] https://goldstar-plumbing.com/services/[9] https://goldstar-plumbing.com/long-island-hvac-service/[10] https://goldstar-plumbing.com[11] https://goldstar-plumbing.com/long-island-plumbing-service/Is It Worth It to Repair a Hot Water Heater or Replace It?
It is usually worth repairing a hot water heater when the problem is a single, fixable part and the tank is structurally sound, but replacement makes more sense when the tank leaks or breakdowns keep returning. The most common fork in the road is a failed pilot light/heating element (repair) versus a leaking tank (replace). Our replacements typically range: tank $3,800–$6,500+ and tankless $7,500–$11,000+, confirmed after a $179 diagnostic that’s waived with any approved repair or replacement. In Long Island homes we service, a pinhole seam or rust-through on the tank is the practical stop sign for repairs.
Look for these decision signals:
- Repair: solid tank, first-time issue, fix involves pilot, thermostat, or heating element.
- Replace: active tank leak/corrosion, frequent failures, or repair cost nearing install pricing.
- Urgent: no hot water plus water pooling near the heater.
If you see water around the heater, shut the cold-water valve and power/gas, then schedule a diagnostic. <br/> Updated: 2026-04-02 <br/> Need help in Wantagh, NY? Call (516) 200-4014 or book online. “Chris was the plumber who came to descale and flush my tankless water heater… He explained everything clearly before any work was done.” — Chris P.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNodXBqQUZREAE!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgIChupjAFQ%7CCgwI4K2bnwYQ6Kj_yQI%7C?hl=en-US[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2paRlIzRldNaTFGY1dkWWFrUnRNR3RSUW5KQlJVRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CAIQACodChtycF9oOjZFR3FWMi1FcWdYakRtMGtRQnJBRUE%7C0cZD3aQyCJ8%7C[2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURCdWN1ZGt3RRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgIDBucudkwE%7CCgwI7P-7ngYQwI3QwwM%7C?hl=en-US[3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNscGF1ODlBRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgIClpau89AE%7CCgsIqKOdqwYQkIbqOA%7C?hl=en-US[4] https://goldstar-plumbing.com/[5] https://goldstar-plumbing.com/#dm_content[6] https://goldstar-plumbing.com/become-a-customer/[7] https://goldstar-plumbing.com/open-positions/[8] https://goldstar-plumbing.com[9] https://goldstar-plumbing.com/choosing-the-best-ac-brand-for-your-long-island-ny-home/[10] https://goldstar-plumbing.com/services/How much does water heater replacement typically cost for homeowners?
Water heater replacement typically costs $2,800–$8,500+ for a standard tank and $7,500–$17,000+ for a tankless system. Exact pricing is confirmed after a $179 diagnostic, which is waived when you approve the repair or installation. We use flat-rate, up-front pricing with no hidden fees. A free consultation is available. Same-day and 24/7 emergency service are offered in Nassau County, including Garden City.
<br />Updated: 2025-12-27 00:00:00
<br />Need help in Garden City, NY? Call (516) 200-4014 or book online.
"James was very knowledgeable and came out the next day to work on our tankless water heater." — Michael A.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25weFpHRm1YekpWUldZM1JtMTVNSE5NZDIwNWVrRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CAIQACodChtycF9oOnpxZGFmXzJVRWY3Rm15MHNMd205ekE%7C0cguqnTHT7r%7C[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNYMGZubnNBRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgICX0fnnsAE%7CCgsI04nFuAYQsPuFXg%7C?hl=en-GB[2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNscGF1ODlBRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgIClpau89AE%7CCgsIqKOdqwYQkIbqOA%7C?hl=en-US[3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnTUNJb2VydVFnEAE!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgMCIoeruQg%7CCgwIw7e1vwYQuIbN_gE%7C[4] https://goldstar-plumbing.com/water-heater-repair-and-installation[5] https://goldstar-plumbing.com/leak-detection-and-pipe-repair[6] https://goldstar-plumbing.com/are-you-prepared-for-a-severe-winter/[7] https://goldstar-plumbing.com/long-island-hvac-service/[8] https://goldstar-plumbing.com/long-island-plumbing-service/[9] https://goldstar-plumbing.com[10] https://goldstar-plumbing.com/choosing-the-best-ac-brand-for-your-long-island-ny-home/[11] https://goldstar-plumbing.com/become-a-customer/How much does water heater repair typically cost for homeowners?
Water heater repair pricing is set after our $179 diagnostic visit, and that fee is waived when you approve the repair. We use flat-rate, upfront pricing, so the quoted price is the price. Costs vary by issue and parts, from pilot lights and heating elements to leaks or tankless descaling. If your system is not repairable, replacements typically run $3,800–$6,500+ for tank or $7,500–$11,000+ for tankless. We offer 24/7 emergency service and a Fix or Free pledge.
<br/> Updated: 2025-12-27 00:00:00 <br/>Need help in Garden City, NY? Call (516) 200-4014 or book online.
"James was very knowledgeable and came out the next day to work on our tankless water heater." — Michael A.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25weFpHRm1YekpWUldZM1JtMTVNSE5NZDIwNWVrRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CAIQACodChtycF9oOnpxZGFmXzJVRWY3Rm15MHNMd205ekE%7C0cguqnTHT7r%7C[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNYMGZubnNBRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgICX0fnnsAE%7CCgsI04nFuAYQsPuFXg%7C?hl=en-GB[2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNscGF1ODlBRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgIClpau89AE%7CCgsIqKOdqwYQkIbqOA%7C?hl=en-US[3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnTUNJb2VydVFnEAE!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgMCIoeruQg%7CCgwIw7e1vwYQuIbN_gE%7C[4] https://goldstar-plumbing.com/water-heater-repair-and-installation[5] https://goldstar-plumbing.com/leak-detection-and-pipe-repair[6] https://goldstar-plumbing.com/are-you-prepared-for-a-severe-winter/[7] https://goldstar-plumbing.com/long-island-hvac-service/[8] https://goldstar-plumbing.com/long-island-plumbing-service/[9] https://goldstar-plumbing.com[10] https://goldstar-plumbing.com/choosing-the-best-ac-brand-for-your-long-island-ny-home/[11] https://goldstar-plumbing.com/become-a-customer/Can I install a water heater by myself safely and correctly?
Installing a water heater yourself isn’t recommended; use a licensed plumber to ensure a safe, correct install. Gold Star provides gas and electric water heater repair, tankless installation and maintenance, and full replacements. We diagnose issues first, then present flat-rate options, and the $179 diagnostic is waived with repair. Emergency water heater service is available 24/7. Typical installation ranges: tank $3,800–$6,500+; tankless $7,500–$11,000+. Free consultation available.
<br/> Updated: 2025-12-27 <br/>Need help in Garden City, NY? Call (516) 200-4014 or book online.
"James was very knowledgeable and came out the next day to work on our tankless water heater." — Michael A.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25weFpHRm1YekpWUldZM1JtMTVNSE5NZDIwNWVrRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CAIQACodChtycF9oOnpxZGFmXzJVRWY3Rm15MHNMd205ekE%7C0cguqnTHT7r%7C[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNYMGZubnNBRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgICX0fnnsAE%7CCgsI04nFuAYQsPuFXg%7C?hl=en-GB[2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNscGF1ODlBRRAB!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgIClpau89AE%7CCgsIqKOdqwYQkIbqOA%7C?hl=en-US[3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnTUNJb2VydVFnEAE!2m1!1s0x0:0x6fee41aeba85c67e!3m1!1s2@1:CIHM0ogKEICAgMCIoeruQg%7CCgwIw7e1vwYQuIbN_gE%7C[4] https://goldstar-plumbing.com/water-heater-repair-and-installation[5] https://goldstar-plumbing.com/leak-detection-and-pipe-repair[6] https://goldstar-plumbing.com/are-you-prepared-for-a-severe-winter/[7] https://goldstar-plumbing.com/long-island-hvac-service/[8] https://goldstar-plumbing.com/long-island-plumbing-service/[9] https://goldstar-plumbing.com[10] https://goldstar-plumbing.com/choosing-the-best-ac-brand-for-your-long-island-ny-home/[11] https://goldstar-plumbing.com/become-a-customer/
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Service Areas We Cover
What areas do you serve for water heater?
We serve homeowners across Long Island, including Massapequa Park, NY, Islip Terrace, NY, and Amityville, NY. See the complete city list below for full coverage.

