Buying Guide

Average Cost to Tear Off & Replace an 1,800 Sq.Ft. Roof

Replacing a roof is a major investment that safeguards your home, enhances its value, and prevents costly issues. For an 1,800 sq ft roof—whether on a single-story or two-story house—tearing off the old roof and installing a new one averages $9,000-$16,500 with asphalt shingles, or up to $30,000-$42,000 with premium options like GAF Timberline Solar, depending on materials, complexity, and location.

An asphalt shingles roof with three skylights

This guide provides a detailed breakdown: costs for an 1,800 sq ft roof, a wide array of material options including specific metal shingle brands, cool roof insights, hail-resistant choices, solar integration, contractor tips, maintenance, and more—everything you need for an informed decision.

How Much Does It Cost?

Asphalt shingles dominate the U.S. market (over 80%, per ARMA) due to their affordability and versatility. Here’s what a full tear-off and replacement costs for an 1,800 sq ft roof:

Per Square Foot

  • National Average: $5.00-$7.00/sq ft for architectural asphalt shingles. Includes tear-off (up to 2 layers), disposal, materials, permits, and labor.
  • High-Cost Areas: $6.00-$9.00/sq ft in cities like San Francisco, LA, Seattle, Boston, NYC, or DC, due to higher labor and living costs.

Average Roof Replacement Cost:

Low End

$7,500

Mid-Range

$10,500

High End

$14,500

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The Ultimate Guide to Getting a New Roof – Homeowner’s Guide

A new roof is a costly investment with practical and aesthetic implications – the roof is your home’s most important protection against rain, snow, and nature’s elements. The roof can also significantly impact the appeal of your home in the eyes of potential buyers.

GAF Timberline HD Shingles Roof

This guide will help you make an informed decision when it comes to re-roofing, whether it’s adding a new layer of roofing to the existing roof or tearing off and replacing the old roof.

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How Much Does a New Roof Cost in Los Angeles, CA?

The best roofing materials for Los Angeles reflect the region’s Mediterranean climate, featuring hot, sunny summers and mild, wet winters. Ideal roofing options provide durability, heat resistance, and curb appeal, while addressing local weather conditions like UV exposure, occasional rainfall, and the possibility of wildfires.

Los Angeles is a high-cost area, and local roofing rates reflect this. Expect to pay anywhere from $7.00 to $11.00 per square foot for an asphalt shingle roof replacement, translating to $14,000 to $22,000 for a 2,000-square-foot roof. Prices can climb higher in premium neighborhoods like Beverly Hills or Santa Monica.

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