What is the average cost of a full roof replacement in Snohomish County?

An asphalt shingle roof replacement averages **$13,110** in Snohomish County, with a typical range of $9,690 to $16,530. Metal roofing averages **$21,090**, ranging from $15,960 to $28,500. These figures reflect a 1.14x local adjustment over national averages due to higher labor costs in the Seattle-Tacoma-Bellevue metro.

Why is roofing more expensive in Snohomish County than the national average?

Local roofers earn a mean wage of **$34.37/hr**, which is about 24% above the national average of $27.75/hr. Since labor accounts for roughly 60% of a roofing project, this drives a **1.14x services adjustment** over national pricing. The county's median home value of $644,600 — 3.74x the national average — also reflects the higher overall cost environment.

What weather hazards should I consider when choosing roofing materials?

Snohomish County's FEMA risk score is **97.87 out of 100**. Ice storms pose the greatest roof threat with a score of **98.00 (Very High)**, followed by winter weather at **94.05**. Hail risk is very low at just **15.14**, so impact-rated shingles are generally unnecessary. Prioritize ice-and-water shield membranes and proper ventilation to combat ice dam formation.

Is metal roofing worth the extra cost in Snohomish County?

Metal roofing costs roughly **$21,090** on average versus **$13,110** for asphalt shingles — a premium of about $7,980. However, standing-seam metal roofs perform well in the county's marine climate (IECC Zone 4C), shedding rain effectively and resisting moss growth. With Washington's residential electricity rate at $0.138/kWh, reflective metal roofing can also provide modest energy savings on cooling.

How much does a minor roof repair cost in Snohomish County?

Minor roof repairs in Snohomish County range from **$340 to $1,710**, with a typical cost around **$855**. This covers work like patching leaks, replacing damaged shingles, or fixing flashing. The local adjustment of 1.14x applies, reflecting the $34.37/hr mean roofer wage in the Seattle-Tacoma-Bellevue metro area.

What climate zone is Snohomish County in, and how does it affect my roof?

Snohomish County is in **IECC Climate Zone 4C** with a marine moisture regime. This means mild, wet winters and cool summers. Persistent moisture promotes moss and algae growth on shingles, making algae-resistant granules a smart choice. Adequate attic ventilation is essential to prevent condensation and rot beneath the roof deck.

What are my financing options for a new roof in Snohomish County?

With the 30-year mortgage rate at **6.38%** and a median home value of **$644,600**, most homeowners have equity available for a HELOC or home equity loan. Financing a $13,110 asphalt shingle replacement over 10 years at current rates works out to approximately **$148/month**. Compare HELOC rates, personal loans, and contractor financing before committing, and watch for hidden material markups in contractor-financed deals.

REGIONAL COST GUIDE · Snohomish County, WA

How Much Does Roofing Cost in Snohomish County, WA?

Asphalt shingle roof replacement in Snohomish County, WA averages $13,110. Compare local roofing costs, labor rates, and financing options for 2026.

Cost range $9,690 – $16,530

Average $13,110

Updated April 13, 2026

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COST BREAKDOWN

What homeowners in Snohomish County actually pay.

Local market ranges built from regional labor, materials, and permitting data — not national averages.

Asphalt Shingles (Full Replacement)

$9,690 Avg: $13,110 $16,530

Metal Roofing (Full Replacement)

$15,960 Avg: $21,090 $28,500

Roof Repair (Minor)

$340 Avg: $855 $1,710

National avg $11,500 × 1.14x local adjustment = $13,110

Why Snohomish County prices look like this.

Roofing projects in Snohomish County carry a meaningful premium over national averages. The local services adjustment factor of 1.14x reflects higher labor costs in the Seattle-Tacoma-Bellevue metro, where roofers earn a mean wage of $34.37/hr compared to the national average of $27.75/hr. The county's median home value of $644,600 — roughly 3.74x the national average — means roofing investments here protect a significant asset. Across the county's 27 ZIP codes, homeowners can expect to pay between $9,690 and $16,530 for a full asphalt shingle replacement, or $15,960 to $28,500 for metal roofing. Minor repairs typically fall in the $340 to $1,710 range. Getting multiple quotes from licensed, bonded contractors is essential, as material choices, roof pitch, and accessibility all influence final pricing.

Roofing Labor Costs in the Seattle-Tacoma-Bellevue Metro

Snohomish County falls within the Seattle-Tacoma-Bellevue, WA metropolitan statistical area for wage reporting. According to 2024 OEWS data, the roughly 2,500 roofers employed in this metro earn a mean hourly wage of $34.37 and an annual mean wage of $71,500. That hourly rate is approximately 24% above the national average of $27.75/hr for the same occupation (SOC 47-2181). Labor typically accounts for about 60% of a roofing project's total cost, which is why the local services adjustment factor weights labor at 0.6. The remaining 40% covers materials, which are largely priced at national wholesale rates and passed through without a geographic markup. Homeowners should confirm that any quote explicitly breaks out labor from materials so they can compare bids on equal footing.

Weather Hazards That Affect Snohomish County Roofs

Snohomish County has an overall FEMA National Risk Index score of 97.87 out of 100, classified as Relatively High. The most damaging hazard category for roofs here is ice storms, scoring 98.00 (Very High). Prolonged ice loading can crack shingles, damage flashing, and cause ice dams that lead to interior leaks. Winter weather scores 94.05 (Relatively High), reinforcing the need for proper underlayment and attic ventilation. Inland flooding at 95.74 and coastal flooding at 77.60 are less of a direct roofing concern but can affect structures and complicate repairs after storm events. Lightning scores 86.10 (Relatively High), which is relevant for metal roofing installations that should include proper grounding. Hail risk is Very Low at 15.14, so impact-rated shingles are generally not necessary in this market. Homeowners should prioritize ice-and-water shield membranes along eaves and valleys.

Climate Zone Considerations for Roofing in Snohomish County

Snohomish County is classified as IECC Climate Zone 4C under the 2021 International Energy Conservation Code, with a marine (C) moisture regime and placement in the DOE North HVAC region. Zone 4C is characterized by mild, wet winters and cool summers — conditions that make moisture management the top roofing priority. Persistent rain and damp conditions accelerate moss and algae growth on shingles, particularly on north-facing slopes. Homeowners should look for shingles with algae-resistant granules or plan for periodic roof cleaning. Adequate attic ventilation is critical in this zone to prevent condensation buildup beneath the roof deck, which can lead to rot and mold. For metal roofing, standing-seam profiles perform well in this marine climate because they shed water effectively and resist the corrosion that coastal moisture can cause over time.

How Roofing Choices Affect Energy Costs in Washington

Washington residential electricity is priced at $0.138/kWh as of January 2026, which is below the national average. While that keeps cooling costs moderate, a well-chosen roof still meaningfully affects heating expenses in Snohomish County's cool, marine climate. In DOE North region homes, heating represents the larger share of energy spend. A roof with proper insulation support and radiant barrier underlayment can reduce heat loss through the attic. Metal roofing with reflective coatings earns Energy Star ratings and can lower peak cooling loads during warmer months, though the savings are more modest here than in southern climates. Homeowners replacing a roof should coordinate with their contractor to inspect and upgrade attic insulation at the same time — bundling the work reduces labor costs and ensures the full thermal envelope is addressed in a single project.

Financing a New Roof in Snohomish County

With a median home value of $644,600 and median annual property taxes of $5,121, Snohomish County homeowners have substantial equity to leverage for roofing projects. A full asphalt shingle replacement averaging $13,110 represents roughly 2% of the typical home's value — a modest investment relative to the asset it protects. The current 30-year fixed mortgage rate stands at 6.38% as of March 26, 2026, which influences home equity loan and HELOC rates commonly used to finance roof work. At 6.38%, financing $13,110 over a 10-year home improvement loan results in approximate monthly payments around $148. Many roofing contractors also offer in-house financing or partner with lenders for promotional rates. Homeowners should compare at least three financing options — HELOC, personal loan, and contractor financing — and verify that any contractor-offered plan does not embed higher material markups to offset the financing subsidy.

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FREQUENTLY ASKED · 07

Questions buyers ask about roofing in Snohomish County.

Short answers to the most common things we hear about local pricing, scope, and timing.

What is the average cost of a full roof replacement in Snohomish County?

An asphalt shingle roof replacement averages **$13,110** in Snohomish County, with a typical range of $9,690 to $16,530. Metal roofing averages **$21,090**, ranging from $15,960 to $28,500. These figures reflect a 1.14x local adjustment over national averages due to higher labor costs in the Seattle-Tacoma-Bellevue metro.
Why is roofing more expensive in Snohomish County than the national average?

Local roofers earn a mean wage of **$34.37/hr**, which is about 24% above the national average of $27.75/hr. Since labor accounts for roughly 60% of a roofing project, this drives a **1.14x services adjustment** over national pricing. The county's median home value of $644,600 — 3.74x the national average — also reflects the higher overall cost environment.
What weather hazards should I consider when choosing roofing materials?

Snohomish County's FEMA risk score is **97.87 out of 100**. Ice storms pose the greatest roof threat with a score of **98.00 (Very High)**, followed by winter weather at **94.05**. Hail risk is very low at just **15.14**, so impact-rated shingles are generally unnecessary. Prioritize ice-and-water shield membranes and proper ventilation to combat ice dam formation.
Is metal roofing worth the extra cost in Snohomish County?

Metal roofing costs roughly **$21,090** on average versus **$13,110** for asphalt shingles — a premium of about $7,980. However, standing-seam metal roofs perform well in the county's marine climate (IECC Zone 4C), shedding rain effectively and resisting moss growth. With Washington's residential electricity rate at $0.138/kWh, reflective metal roofing can also provide modest energy savings on cooling.
How much does a minor roof repair cost in Snohomish County?

Minor roof repairs in Snohomish County range from **$340 to $1,710**, with a typical cost around **$855**. This covers work like patching leaks, replacing damaged shingles, or fixing flashing. The local adjustment of 1.14x applies, reflecting the $34.37/hr mean roofer wage in the Seattle-Tacoma-Bellevue metro area.
What climate zone is Snohomish County in, and how does it affect my roof?

Snohomish County is in **IECC Climate Zone 4C** with a marine moisture regime. This means mild, wet winters and cool summers. Persistent moisture promotes moss and algae growth on shingles, making algae-resistant granules a smart choice. Adequate attic ventilation is essential to prevent condensation and rot beneath the roof deck.
What are my financing options for a new roof in Snohomish County?

With the 30-year mortgage rate at **6.38%** and a median home value of **$644,600**, most homeowners have equity available for a HELOC or home equity loan. Financing a $13,110 asphalt shingle replacement over 10 years at current rates works out to approximately **$148/month**. Compare HELOC rates, personal loans, and contractor financing before committing, and watch for hidden material markups in contractor-financed deals.

SOURCES · 08

How these numbers were built.

Cost estimates are derived from government data including the U.S. Census Bureau (ACS), Bureau of Labor Statistics (OEWS), FEMA National Risk Index, EIA energy data, IECC climate zone classifications, Federal Reserve (FRED), and HUD Fair Market Rents.