Atty. Connor Costello

Atty. Connor Costello

Connor Costello is a lawyer practicing civil litigation, estate planning/ probate/ wills, personal injury and 3 other areas of law. Connor has been licensed for 14 years.

Seattle Seattle 14 yrs experience 14 year
Call (206) 905-4789 Book Appointment

Profile Summary

About Connor Costello at a glance

Connor Costello is a probate, personal injury, estate planning, real estate, and zoning attorney based in Seattle, Washington. They have 14+ years of legal experience, licensed to practice since 2012. Admitted to practice in Washington (2012). Serands clients in Seattle, WA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Connor Costello is a lawyer practicing civil litigation, estate planning/ probate/ wills, personal injury and 3 other areas of law
  • Connor has been licensed for 14 years
  • Connor practices in Seattle, WA

Practice Areas Explained

Connor Costello's Areas of Practice

Each practice area below reflects the types of cases Connor Costello handles, with a brief overview of what that area of law covers.

Probate

Connor Costello is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Washington →

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Connor Costello is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Washington →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

Connor Costello is one of 226,537 estate planning attorneys indexed nationally. Browse estate planning attorneys in Washington →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

Connor Costello is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Washington →

Land Use & Zoning

Connor Costello is one of 40,226 zoning attorneys indexed nationally. Browse zoning attorneys in Washington →

Jurisdictional Context

Why local counsel matters in Washington

Practicing law in Washington. Legal matters in Washington are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Seattle are typically filed in the local municipal court or the appropriate Washington state district court, depending on subject matter and amount in controversy. An attorney licensed in Washington brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Washington courts without local counsel or pro hac vice admission.

Looking for additional Washington attorneys? Browse all attorneys in Seattle or all attorneys in Washington.

Frequently Asked

Common questions about Connor Costello

Where is Connor Costello's law office located?
Connor Costello's law practice is located in Seattle, Washington. You can contact the office directly through this profile page.
What practice areas does Connor Costello handle?
Connor Costello focuses on probate, personal injury, estate planning, real estate, zoning. Each practice area listed reflects experience handling cases of that type in Washington.
How long has Connor Costello practiced law?
Connor Costello has 14+ years of legal experience and has been licensed since 2012.
How can I contact Connor Costello for a consultation?
You can contact Connor Costello directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Bar Admissions

Washington
Admitted: 2012

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