Longmont, CO · Roof Repair

Roof Repair Contractors in Longmont, Colorado

Leak or damaged shingles? Request a quote and confirm availability with the roofer. 30 local roofers listed.

Short answer: Small roof repairs (a few shingles, flashing, a patch) usually cost $300–$1,000, and larger sections $1,500–$4,500; if the roof is over 20 years old or repairs pass half the price of a new roof, replacing costs less in the long run. These are national ranges, not Longmont quotes. In Longmont: 1990 median year homes were built. Ask any roofer for a license number and a certificate of insurance.

Get a free quote See Longmont in numbers
  • 1990median year homes were built
  • 37.6%of homes built before 1980
  • 130freeze-thaw days a year
  • 30hail days (1 inch+), 2014–2026

How much life is left in my Longmont roof?

Typical lifespans are published ranges for each material; for a Longmont house, real life also depends on installation, attic ventilation and the weather Longmont gets.

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Most roof repair calls in Longmont trace to freeze-thaw: sealant around chimneys and vents cracks over winter, lifted shingles let meltwater behind, and ice dams push water under the eave course before anyone notices inside. Minor repairs in Longmont run a few hundred dollars for localized damage; larger scopes covering multiple damaged sections or re-decking work cost more and may warrant comparing repair cost against a full replacement estimate.

Longmont in numbers

Public records for Longmont and its county, not estimates. Each figure shows its source.

  • #204of 209Longmont ranks #204 of the 209 cities we cover for damaging thunderstorm-wind days (low end).
  • #6of 209Longmont ranks #6 of the 209 cities we cover for median home value.
  • #6of 209Longmont ranks #6 of the 209 cities we cover for freeze-thaw days.
  • #196of 209Longmont ranks #196 of the 209 cities we cover for yearly rainfall (low end).

Hail reports per year in the county

Hail events per year in the county, 2017 to 2025 2 2017 45 2018 42 2019 2 2020 2 2021 5 2022 9 2023 7 2024 16 2025
Hail events per year in the county, 2017 to 2025
20172
201845
201942
20202
20212
20225
20239
20247
202516

130 recorded events across 9 years represented in the data, about 14.4 per represented full year. 2018 had the most events among represented full years: 45.

Source: NOAA hail events, county level · data as of 2017–2025

Costliest storm day on record

Jul 5, 2019

24 reports that day (24 hail); reported property damage $0; county FIPS 08013, 2014–June 2026

Source: NOAA Storm Events · data as of 2014–June 2026

When storms hit Longmont

Hail reports by month in the county, all years combined 0 Jan 0 Feb 0 Mar 0 Apr 29 May 52 Jun 40 Jul 13 Aug 10 Sep 2 Oct 0 Nov 0 Dec
Hail reports by month in the county, all years combined
Jan0
Feb0
Mar0
Apr0
May29
Jun52
Jul40
Aug13
Sep10
Oct2
Nov0
Dec0

Most hail reports come in June; the season runs May to September. Book inspections and repairs before that window, not after.

Source: NOAA Storm Events · data as of 2014–June 2026

Roofing trade around Longmont

  • 20 roofing companies with payroll in the county, employing about 249 people; 55% have fewer than 5 employees.
  • A roofer's median pay here is $56,140 a year (Boulder, CO Metro Area).
Source: Census CBP · data as of 2023 Source: BLS OEWS, roofers · data as of May 2025

Longmont storm record: Boulder County

What the National Weather Service logged in Boulder County in 2014–2026. County level, because storm reports are filed by county, not by city limits.

  • 1871Founded
  • 4,984 ft (1,519 m)Elevation

Where hail of 1 inch or more was reported in Boulder County

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  • 881 to 1.74 in
  • 211.75 to 2.74 in, golf ball to tennis ball
  • 12.75 in and up, baseball

Largest plotted stone: 3 in. Bigger dots are bigger stones.

110 reports of 1 inch or larger have coordinates. Each dot is a reported location, not a storm path.

Sources: NOAA, Census county outline

Biggest hail days

DateLargest hailReports that dayWhere it was reported
June 18, 2018 3 in, about the size of a teacup 23 Superior
July 5, 2019 2.5 in, about the size of a tennis ball 24 Louisville
June 4, 2015 2.5 in, about the size of a tennis ball 5 Lyons
“The storms that moved across northern Washington County caused severe agricultural damage. Wheat fields were significantly damaged and the young corn was stripped of all its leaves.”
National Weather Service report, June 18, 2018
Source: NOAA Storm Events Database · data as of 2014–2026

Last big hail on record

May 9, 2023

Hail of 1.75 inches (golf ball) or larger fell on 4 days in 2014–2026. Our records end where NOAA's do, so a newer storm may not be listed yet.

Strongest tornado

EF3 · June 4, 2015

It stayed on the ground for 5.84 miles and was up to 440 yards wide. The tornado first touched about 3 miles south of Berthoud, and then tracked to the west/northwest and lifted about 6 miles southwest of Berthoud. The majority of the damage was EF1, with some areas of EF2, and a few small areas of EF3.

Strongest thunderstorm gust

72 mph · March 30, 2014

On the evening of the 30th, high based showers and thunderstorms produced microburst winds over portions of northern Jefferson, eastern Boulder and southwest Weld Counties.

What it means for roof repair

Hail up to 3 inches has been reported in Boulder County. Hail bruises and cracked shingles often show up weeks later as leaks, so a repair quote here should start with an inspection of the whole slope, not only the spot that drips.

Storm data: NOAA Storm Events (public domain). City facts: Wikidata (CC0).

What it costs in Longmont

Asphalt-shingle re-roof, 2,000 sq ft home, adjusted for Longmont labor and material prices. Your quote depends on roof size, pitch and scope.

That typical price is about 2.2% of the median Longmont home value ($541,400).

Source: Census ACS (Longmont city) · data as of 2019–2023

Full Longmont cost guide by material →

What Longmont's climate means for roof repair

  • Most Longmont repair calls trace to freeze-thaw: cracked sealant, lifted shingles, and failed flashing that let meltwater in — catch these before they reach the deck.
  • Spot-repairing Longmont's hail-bruised shingles buys time, but widespread granule loss usually means the slope is near end of life — get an honest assessment first.
  • Ice-dam repairs are routine in Longmont — improving eave flashing and attic ventilation fixes the cause, not just the stain.

Roofers in Longmont, CO

30 listed, first 20 shown. Roofers we verified against a public registry come first.

This list covers roofing companies generally. Confirm roof repair experience, materials, insurance and current availability with each company. A Verified badge refers to the registry check, not a confirmed specialty.

Roof Repair in Longmont: questions

How do I find a roof repair company in Longmont?
PickARoofer lists roofing companies serving Longmont, CO. This is a general roofing directory; confirm roof repair experience and availability with each company. A Verified badge describes a separate registry check, not a confirmed service specialty or insurance check. Confirm scope, insurance and availability directly. Requests go to one contractor at a time, with up to three attempts; a response or start date is not guaranteed. Free for homeowners.
Will insurance pay for storm-related roof repair in Longmont?
Coverage, deductibles and reporting deadlines depend on your policy and circumstances. Document damage safely, contact your insurer promptly and ask for a written repair scope. This directory cannot determine coverage.
How old are the homes in Longmont, and does it matter for the roof?
The median home in Longmont was built in 1990, and 37.6% of homes date from before 1980 (Census ACS). A roof on a home that old has often been re-covered at least once, so ask the roofer whether there is a second layer underneath: it changes the tear-off cost. The area sees about 130 freeze-thaw days a year, which loosens flashing and sealant.
What does roofing cost in Longmont?
For an average 2,000 sq ft home we model asphalt-shingle re-roof at $7,560 to $16,740 in Longmont, around $12,150 in the middle. That is about 2.2% of the median home value of $541,400. Your quote moves with roof size, pitch and how many layers come off.
When is hail season in Longmont?
June is the worst month: 36% of the 146 hail reports NOAA holds for the county came then. Reports run from May to September. Book the inspection before May, while crews still have open dates.
How many roofing companies work around Longmont?
The Census Bureau counts 20 roofing companies with payroll in Boulder County, employing about 249 people. 55% of them have fewer than five employees, so most quotes come from owner-run crews. A roofer's median pay is $56,140 a year (BLS).
How big does hail get near Longmont?
The largest hail NOAA logged near Longmont measured 3 inches, about the size of a teacup. Hail of an inch or more fell on 30 days in the same record. The biggest day was June 18, 2018, with 23 reports. The National Weather Service calls hail of 1 inch or larger severe; the bigger the stone, the more likely it is to crack a shingle.
What causes most roof leaks in Longmont homes?
Freeze-thaw cycling is responsible for the majority of Longmont roof repair calls: water works into a small gap — at a chimney seal, step flashing joint, or a lifted shingle tab — freezes overnight, expands, and opens the gap wider. By spring the entry point is large enough to allow active leaking every rain event. Flashing repairs and re-sealing penetrations each fall, before the first hard freeze, is the most cost-effective maintenance step for Longmont homeowners.
How do I know if a Longmont roof repair will hold, or if I need a full replacement?
A repair holds when it addresses the actual entry point and the surrounding shingles and underlayment are still in sound condition. The rough rule: if the roof is under 15 years old and damaged area covers less than 30 percent of the surface, a repair is usually the right call. Past 20 years, or when repair cost approaches half the replacement estimate, a full tear-off makes more financial sense long-term. A free inspection from a Longmont contractor settles the question without any obligation.
Do I need a permit for roof repair in Colorado?
Permit requirements depend on the property, scope of work and local jurisdiction. Check with the city or county building department and confirm who will obtain any required permit before work starts.

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Figures above: NOAA Storm Events Database (hail, wind, tornado; county of the city, 2014–2026), U.S. Census Bureau American Community Survey 5-year estimates (housing), NASA POWER (temperature and rain, 2014–2023). Prices: our published price method. How we collect data.