Seattle, WA · Tree Roots

Tree Roots in Seattle, WA: Who Pays?

Who pays?
Shared

Seattle: if a City street tree did it, that's the City's roughly-15-to-20%. Everything else, including private trees, is on the owner, though the City admits it never actually enforces that.

High confidence · Verified Sep 5, 2026 · 2 sources

Exceptions
  • Damage adjacent to a City street tree: City responsibility
  • Damage from City property, structures, or City utilities: City responsibility
What to do next

What to do next

  1. Ask Seattle which side the problem is on

    Seattle Department of Transportation (SDOT): Sidewalk Repair Program

    Call (206) 684-7623Official page

    Confirm the current number on the city's official site before relying on it, since departments and numbers change.

  2. Photograph the problem and write down the date

    Take the photos before any work starts.

  3. If the city sent a notice, note its deadline

    Write down the date it must be fixed by and exactly what it asks for.

  4. If the repair is yours, get more than one written quote

    Ask each contractor to confirm where your part ends and the public part begins.

Work through the full repair checklist

If the repair is yours to pay

Get more than one quote before you agree to a price, and ask the contractor to confirm where the property line and the public side begin.

Compare local pros on Angi

For concrete, yard, tree, and foundation work, get a few quotes first.

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Responsibility Boundary

Default rule and exceptions

Split by whose tree. The City of Seattle is responsible for sidewalks adjacent to City street trees (along with City property/structures and City-utility-caused damage), about 15-20% of Seattle's 2,300 miles of sidewalk. The remaining 80-85%, including damage from private trees, is primarily the adjacent property owner's.

PartyWhat they are responsible for
Property ownerSeattle Municipal Code requires adjacent property owners to keep sidewalks in good repair and safe for travel, per the Seattle Office of City Auditor's official 2021 report: "The remaining 80 to 85 percent are primarily the responsibility of the adjacent private property owners."
City / public agencySeattle Office of City Auditor (Oct 28, 2021, "Seattle's Sidewalk Maintenance and Repair Program"): "The City is responsible for repairing and maintaining sidewalks adjacent to City property or structures, affected by City utilities, and adjacent to City street trees. The Seattle Department of Transportation (SDOT) estimates that the City is responsible for about 15 to 20 percent of Seattle's sidewalks." The same audit notes the state-law enforcement mechanism against owners "has never been used in Seattle."
ExceptionsDamage adjacent to a City street tree: City responsibility; Damage from City property, structures, or City utilities: City responsibility

What the source says

Last verified against the primary source on Sep 5, 2026.

The remaining 80 to 85 percent are primarily the responsibility of the adjacent private property owners.
Seattle Office of City Auditor: "Seattle's Sidewalk Maintenance and Repair Program" (Oct 28, 2021, official audit report), checked Sep 27, 2026
Seattle's Sidewalk Maintenance and Repair Program
Seattle Office of City Auditor: "Seattle's Sidewalk Maintenance and Repair Program" (Oct 28, 2021, official audit report), checked Sep 27, 2026
The City is responsible for repairing and maintaining sidewalks adjacent to City property or structures, affected by City utilities, and adjacent to City street trees. The Seattle Department of Transportation (SDOT) estimates that the City is responsible for about 15 to 20 percent of Seattle's sidewalks.
Seattle Office of City Auditor: "Seattle's Sidewalk Maintenance and Repair Program" (Oct 28, 2021, official audit report), checked Sep 27, 2026
has never been used in Seattle.
Seattle Office of City Auditor: "Seattle's Sidewalk Maintenance and Repair Program" (Oct 28, 2021, official audit report), checked Sep 27, 2026

Common questions

Who pays for tree roots in Seattle, WA?

Responsibility is shared. Seattle Municipal Code requires adjacent property owners to keep sidewalks in good repair and safe for travel, per the Seattle Office of City Auditor's official 2021 report: "The remaining 80 to 85 percent are primarily the responsibility of the adjacent private property owners."

Are there exceptions in Seattle, WA?

Damage adjacent to a City street tree: City responsibility; Damage from City property, structures, or City utilities: City responsibility

What is this based on for Seattle, WA?

This verdict is sourced to Seattle Office of City Auditor: "Seattle's Sidewalk Maintenance and Repair Program" (Oct 28, 2021, official audit report) and 5 sources in total, each independently re-checked before publication.

Sources

  1. Seattle Office of City Auditor: "Seattle's Sidewalk Maintenance and Repair Program" (Oct 28, 2021, official audit report)official · verified-primary · accessed 2026-09-27
  2. Seattle street trees care dutyofficial · research-cited · accessed 2026-08-19
  3. Seattle Office of City Auditor: "Seattle's Sidewalk Maintenance and Repair Program" (Oct 28, 2021, official audit report)official · verified-primary · accessed 2026-09-27
  4. Seattle Office of City Auditor: "Seattle's Sidewalk Maintenance and Repair Program" (Oct 28, 2021, official audit report)official · verified-primary · accessed 2026-09-27
  5. Seattle Office of City Auditor: "Seattle's Sidewalk Maintenance and Repair Program" (Oct 28, 2021, official audit report)official · verified-primary · accessed 2026-09-27
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