The Hunterdon Scoop / Hire

A public service of The Hunterdon Scoop · Hunterdon County, New Jersey

The best gutter contractors in Hunterdon County.

Gutters are cheap until the water goes where it wants. Then they're a foundation problem. We checked what's checkable on every gutter contractor we could find serving the county. Every fact below names its source and the date we checked. Nobody paid to be on this page, and nobody can.

Records pulled All 9 · July 14, 2026

9 checked  ·  3 we'd call first

Who we'd hire

Earned, never sold. The order means something.
On the bench

Imperial Seamless Gutter & Leader Company, LLC

Belvidere, Warren County

Deepest genuine review base found in this category (115 reviews at 4.9 on Birdeye, 4.9 on HomeAdvisor) and explicit Hunterdon town coverage from an adjacent-county specialist — verify the exact license number directly given the source inconsistency. Credential verified against the state registry, date shown.

✓ Active · verified 2026-07-14 13VH04362600 Website
On the bench

Rainware Seamless Gutters

Pennington, Mercer County

Longest track record found (founded 1988) among firms with genuine Hunterdon coverage, from an adjacent county — good second call for pure gutter work, but ask for local references since online review volume is thin. Credential verified against the state registry, date shown.

✓ Active · verified 2026-07-14 13VH05720900 Website

Why trust this page

We pull credentials from the official registries ourselves and print the date next to every status — gutter installers in NJ fall under the Home Improvement Contractor (HIC) registration, administered by the NJ Division of Consumer Affairs. It's a registration rather than an exam-based trade license — it requires proof of at least $500,000 in general liability insurance and renews every two years; it does not test technical competency. Verify any contractor's HIC number for free at njconsumeraffairs.gov/hec/Pages/verification.aspx or newjersey.mylicense.com/verification.. Picks are editorial judgment on the checkable record: years in the trade, complaint patterns, review consistency, real presence in the county. No company paid to be listed, none can pay to become a pick, and when a pick has a weak spot we print it. Here are the full rules.

Every gutter contractor we checked

Genuine in-county gutter specialists are thin. Bell Seamless Gutters in Flemington is the one true local gutter-only shop, but its BBB profile is marked out of business and Angi shows an unresolved-leak complaint, so treat it as unverified rather than a safe default. Most real coverage of Hunterdon County comes from adjacent-county firms that have served the area for decades (Imperial Seamless in Belvidere, Rainware in Pennington, Warren Thompson & Son in Alpha) plus general exterior remodelers like Hunterdon Siding & Window in Lebanon, where gutters are one line item on a bigger roofing/siding job. The category also shows a templated-multi-town pattern common to gutter-guard franchises: All Pro Gutter Guards and Spotless Gutter Cleaning both auto-generate a landing page for every Hunterdon township from out-of-county (and in All Pro's case, multi-state) headquarters, and Spotless was flagged by BBB in 2024 for making unverified "A+ BBB rated" marketing claims. A company whose only Hunterdon-specific web presence is a templated town page, with no local address or track record, should be treated as lead-gen rather than a local shop.
The roster — 9 gutter contractors checked · registry pulled July 14, 2026
Company & services Based in NJ HIC # Registry status BBB Reviews (as reported)
Hunterdon Siding & Window Co., LLC (dba Hunterdon Roofing, Siding and Window Company) Registered as Hunterdon Siding & Window Co., LLC Seamless gutter installation · Gutter repair · Roofing · Siding · Replacement windows · Entry doors Lebanon In county 13VH00209500 ✓ Active · 2026-07-14 Not checked
Ace Roofing LLC Gutter installation · Gutter repair · Gutter guard installation · Roofing Flemington In county unverified — see factNotes … Pending check Not checked
Bell Seamless Gutters Custom seamless gutter fabrication and installation Flemington In county — … Pending check Not checked 1.0 (Angi)
Imperial Seamless Gutter & Leader Company, LLC Seamless gutter installation · Gutter cleaning · Gutter repair · Leader/downspout replacement Belvidere 13VH04362600 ✓ Active · 2026-07-14 Not checked 4.9 · 115 reviews (Birdeye); 4.9 (HomeAdvisor); 5.0 · 2 reviews (Yelp)
Rainware Seamless Gutters Seamless gutter installation · Gutter repair · Gutter cleaning Pennington 13VH05720900 ✓ Active · 2026-07-14 Not checked
Warren Thompson & Son Roofing & Siding Gutter installation · Gutter repair · Roofing · Siding Alpha 13VH01779000 ✓ Active · 2026-07-14 Not checked
Allstate Gutters (All-State Seamless Gutters & Leaders Inc.) Seamless gutter installation · Gutter guards · Gutter repair Manalapan 13VH03658400 ✓ Active · 2026-07-14 Not checked
All Star Gutter, LLC Seamless gutter installation · Gutter repair Cinnaminson 13VH04741700 ✓ Active · 2026-07-14 Not checked
Nail Force Contracting Seamless gutter installation · Roofing · Siding · Windows · Doors Stanhope 13VH14050100 ✓ Active · 2026-07-14 Not checked

Registry status comes straight from the state's verification system on the date shown, and you can rerun any number there yourself in about two minutes. Review scores are what the named platforms report and we have not audited them. BBB grades as of July 2026. "Based in" is the registered address city, which sometimes differs from where a company says it operates. An active registration is the floor, not an endorsement; the picks we would actually call are above.

What it costs

Seamless aluminum gutters installed run roughly $8-16 per linear foot in New Jersey as of 2026; a typical single-family home with about 160 linear feet of gutter costs $1,400-3,200 total. Copper runs far higher, $25-40 per linear foot. Sources: R&E Roofing NJ gutter cost guide (2026) and Build-Folio NJ gutter installation cost calculator (2026).

Before you hire

  1. Ask for the NJ Home Improvement Contractor (HIC) registration number and check it live on the state's free verification portal (njconsumeraffairs.gov/hec) before signing anything — a name-drop on a website isn't proof.
  2. Get the gutter size and hanger spacing in writing (5-inch vs 6-inch, hangers every 24 inches vs every 36 inches). Undersized gutters and wide hanger spacing are the single biggest cause of sagging or pulling away within 2-5 years.
  3. If they're pitching gutter guards, get the specific mesh/screen brand named on the estimate and a written no-clog or maintenance warranty. Guards are the highest-margin upsell in this trade, and vague 'lifetime' claims without a named product are a red flag.
  4. Confirm in writing that the gutters will pitch properly toward the downspouts and that downspouts tie into working underground drainage or splash blocks — a clean-looking install that just dumps water at the foundation moves the problem, it doesn't solve it.
  5. Ask for proof of the $500,000 minimum general liability insurance NJ requires for HIC registration, and get the certificate emailed directly from the insurance carrier, not just referenced in the estimate.

Do it in your browser: check any license · check your quote · the storm-chaser test

Questions neighbors actually ask

Do gutter installers need a license in New Jersey?

Not a trade license in the way electricians or plumbers need one. NJ requires a Home Improvement Contractor (HIC) registration for any home improvement job over $500, which covers gutters. It's a registration, not an exam-based license — the contractor has to prove they carry at least $500,000 in liability insurance and renew every two years. You can check any contractor's HIC number for free at njconsumeraffairs.gov/hec.

How much should gutters cost for a typical Hunterdon County house?

Seamless aluminum gutters installed generally run about $8-16 per linear foot in New Jersey; a typical single-family home with roughly 160 feet of gutter runs $1,400-3,200 total, per NJ gutter-cost guides published in 2026 (R&E Roofing, Build-Folio). Copper is much pricier at $25-40 per linear foot. Ask each quote to break out price per linear foot plus downspouts separately so you can actually compare bids.

Are gutter guards worth paying extra for?

They cut how often you need to clean gutters but don't eliminate maintenance — pine needles, seed pods, and ice still get through most screen types, and guards make it harder to spot a leak starting underneath. It's a legitimate add-on, but it's also the highest-margin upsell in this trade, so get the exact guard brand and type named on the estimate as a separate line item rather than folded into one bundled 'package' price.

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