Shingle Roof Replacement Cost in Longmont, Colorado
A shingle roof replacement in Longmont typically runs $6,800 – $19,500 installed — $425 – $850 per square (100 sq ft) — from 3-tab up to architectural grade, tear-off included.
New roof installs & full replacements · No obligation
Shingle roofing cost by grade.
Installed prices for a full shingle replacement in Longmont. Roofers quote per square (100 sq ft) — a typical single-family roof runs 17–25 squares.
- 3-tab shinglesFlat profile, 15–20 year typical service$6,800 – $13,000
- Architectural shinglesDimensional, 25–30 year — the U.S. default$9,900 – $19,500
- Designer / premium shinglesSlate and shake look-alikes$15,000 – $31,000
- Underlayment & ice barrierSynthetic felt, ice & water shield where code requires$600 – $2,500
- Deck repair (plywood)Replacing rotted sheathing, priced by extent$600 – $3,100
- Tear-off & disposalOld layers off, dumpster included$1,250 – $3,700
- Permits & inspectionVaries by municipality$300 – $1,250
* Adjusted for Longmont's labor market — an on-site measure sets the square count.
Ready to price your roof in Longmont?
Speak with a licensed, independent roofing contractor. No obligation.
Lines: 7 days 10am–10pm
What happens when you call
Call the number
Takes about two minutes — no account, no forms.
Describe your roof
Roof type, approximate size, and what you want done in Longmont.
Talk to a licensed contractor
You get connected with an independent local roofing pro. No obligation.
Build your Longmont estimate
Adjust the inputs below. The range updates live and is adjusted for Longmont's labor market —+23% vs national avg.
Indicative range based on Longmont-adjusted rates. Deck condition, flashing, and contractor overhead may shift the final invoice. Get written quotes from licensed roofing contractors before signing.
Get real quotes for this range · No obligation
Before you sign: the quote checklist
- Get quotes from at least 3 licensed roofing contractors in Longmont.
- Make sure every quote itemizes tear-off, underlayment, flashing, and disposal.
- Verify licensing and insurance before hiring — ask for certificates, not promises.
- Ask about both the material warranty and the workmanship warranty — they differ.
Shingle Roof in Longmont: what matters
Longmont's Front Range location means homes face intense sun, frequent hailstorms, and occasional heavy snow. The older housing stock in neighborhoods like Old North Longmont often has roofs nearing the end of their lifespan, while newer subdivisions in southwest Longmont may have roofs showing UV damage after 15 years. Understanding what goes into a shingle roof replacement in Longmont helps you plan for this major home improvement. This guide covers the factors that influence costs, common reasons for replacement, and what to expect during the process.
Why Shingle Roof Replacement Costs Vary in Longmont
Several local factors affect the cost of replacing a shingle roof in Longmont. Colorado's high UV index accelerates shingle degradation, especially on south- and west-facing slopes. Hail damage is common, with storms like the 2017 event that affected much of the city. The local building code requires specific underlayment and ice dam protection for roofs with low slopes, adding to material costs. Labor rates reflect the Front Range's competitive construction market. Disposal fees at the Boulder County landfill and permit fees from the city's permitting office also factor in. The complexity of your roof—steep pitches, multiple valleys, or skylights—will further influence the final cost.
Longmont by the numbers
U.S. Census Bureau · ACS- 139,984
- Population
- 38,274
- Homeowners
- $518,463
- Median home value
- $100,221
- Median income
- 1992
- Median home built
- 56,647
- Housing units
38,274 homeowner households, median home built 1992 — a housing stock where many roofs are at or past their service life. Local labor sets the rate roofers charge in Longmont.
Common Reasons for Shingle Roof Replacement in Longmont
Hail Damage
Longmont lies in Colorado's hail alley. Hailstones can bruise asphalt shingles, causing granule loss and exposing the mat. This often leads to leaks and accelerated aging, making replacement necessary.
UV Degradation
At 5,000 feet elevation, Longmont receives intense sunlight. UV rays break down asphalt shingles over time, causing them to become brittle, crack, and lose their protective granules.
Wind Lifting
Spring winds in Longmont can exceed 60 mph, lifting shingles and tearing them loose. Repeated wind exposure can loosen sealant strips, leading to blow-offs and compromised waterproofing.
Ice Dams
Snow on roofs with inadequate ventilation can melt and refreeze at the eaves, forming ice dams. These force water under shingles, causing interior leaks and rot that may require full replacement.
Old Age
Many homes in Longmont's older neighborhoods, such as Prospect, have roofs that are 20+ years old. Standard 3-tab shingles typically last 15-20 years, so these roofs are due for replacement.
What to Expect During a Longmont Roof Replacement
Colorado requires roofing contractors to be licensed by the state. Before work begins, your contractor will obtain a permit from your local building department. The process starts with an inspection and measurement of your roof. After removing the old shingles, the crew inspects the decking for rot and makes any needed repairs. New underlayment, ice and water shield (required by code in some areas), and drip edge are installed. The new shingles are then laid, followed by ridge vent and cap shingles. A final inspection by the city ensures the work meets local building codes.
Shingle Roof pricing near Longmont
Shingle Roof cost questions — Longmont
How long does a shingle roof last in Longmont?
In Longmont's climate, standard 3-tab asphalt shingles typically last 15-20 years. Architectural shingles may last 25-30 years. However, hail and UV exposure can shorten that lifespan. Regular inspections after severe storms can help you gauge your roof's condition.
What factors affect the cost of a shingle roof replacement in Longmont?
Costs vary based on roof size, pitch, complexity, and the type of shingles chosen. Local factors include Colorado's building code requirements, labor rates, and disposal fees. The condition of the underlying decking and the need for additional ventilation or ice dam protection also play a role.
How do I choose a roofing contractor in Longmont?
Look for a contractor with a valid Colorado license and liability insurance. Check references and online reviews. Ask about their experience with hail damage claims and local building codes. A reputable contractor will provide a written estimate and explain the process clearly.
When is the ideal time to replace a roof in Longmont?
Late spring through early fall offers the most reliable weather for roof replacement. Summer is the busiest season, so scheduling in spring or early fall may give you more flexibility. Avoid winter months when cold temperatures can affect shingle sealant adhesion.
Do I need a permit for a roof replacement in Longmont?
Yes, the city of Longmont requires a permit for roof replacements. Your contractor should handle the permit application. The work will be inspected to ensure compliance with local building codes, including proper underlayment and ice dam protection.
Get a shingle roofing quote.
3-tab or architectural — compare quotes from licensed local roofers.
Lines: 7 days 10am–10pm