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Trevor Lowell Castleton, Business Attorney in Idaho Falls, Idaho

Over 28 years of legal practice · focused on Business, Estate Planning, and Family Law · 4.3/5 rating from 4 verified client reviews

AssociateatSwafford Law Offices, Chtd.

Idaho Falls, ID

Practicing business in Idaho Falls since 1998.

28+
Years practicing
4.3 ★
4 client reviews
2
Bar admissions

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Quick answer

Trevor Lowell Castleton is an associate based in Idaho Falls, ID. The practice focuses on Business, Estate Planning, and Family Law. Trevor has over 28 years of legal experience. Currently practicing at Swafford Law Offices, Chtd.. Rated 4.3 out of 5 from 4 client reviews.

Based in
Idaho Falls, ID
Experience
over 28 years
Known for
Business · Estate Planning · Family Law
  • Handles Business, Estate Planning, and Family Law matters from Idaho Falls, ID.
  • Over 28 years of practice as a licensed attorney.
  • Recognized with BV Distinguished.

About Trevor Lowell Castleton: Trevor Lowell Castleton is an associate based in Idaho Falls, ID. The practice focuses on Business, Estate Planning, and Family Law. Trevor has over 28 years of legal experience. Currently practicing at Swafford Law Offices, Chtd.. Rated 4.3 out of 5 from 4 client reviews.

Areas of practice

Practice areas handled by Trevor Lowell Castleton

Trevor concentrates on business, estate planning, family law, personal injury, and probate. Each area below outlines the kind of case Trevor handles, typical outcomes to expect, and how the intake process starts.

Business cases in Idaho Falls, Idaho

Trevor takes business matters in Idaho Falls, Idaho. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Trevor agrees to represent you.

Estate Planning cases in Idaho Falls, Idaho

Trevor takes estate planning matters in Idaho Falls, Idaho. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Trevor agrees to represent you.

Family Law cases in Idaho Falls, Idaho

Trevor takes family law matters in Idaho Falls, Idaho. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Trevor agrees to represent you.

Personal Injury cases in Idaho Falls, Idaho

Trevor takes personal injury matters in Idaho Falls, Idaho. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Trevor agrees to represent you.

Probate cases in Idaho Falls, Idaho

Trevor takes probate matters in Idaho Falls, Idaho. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Trevor agrees to represent you.

Biography

About Trevor Lowell Castleton — Over 28 years of Idaho business experience

Trevor Lowell Castleton is an associate based in Idaho Falls, ID. The practice focuses on Business, Estate Planning, and Family Law. Trevor has over 28 years of legal experience. Currently practicing at Swafford Law Offices, Chtd.. Rated 4.3 out of 5 from 4 client reviews.

Trevor Lowell Castleton is a lawyer practicing family law, personal injury, workers compensation and 5 other areas of law. Trevor received a B.S. degree from Boise State University in 1994, and has been licensed for 28 years. Trevor practices at Swafford Law Offices, Chtd. in Idaho Falls, ID.

How Trevor handles business matters

Trevor Lowell Castleton is a lawyer practicing family law, personal injury, workers compensation and 5 other areas of law. Trevor received a B.S. degree from Boise State University in 1994, and has been licensed for 28 years. Trevor practices at Swafford Law Offices, Chtd. in Idaho Falls, ID.

The kind of cases Trevor takes

Trevor reviews new inquiries case-by-case for business, estate planning, and family law matters in Idaho Falls and the surrounding Idaho area.

Credentials

Trevor Lowell Castleton's legal education and bar admissions

  • University of Idaho

    J.D. · 1998

  • Boise State University

    B.S. · 1994

Jurisdictions

Trevor's state bar admissions

  • U.S. District Court,

    1998 · ACTIVE

  • Idaho

    1998 · ACTIVE

Trevor studied at J.D. in University of Idaho and B.S. in Boise State University.

Law school and academic background

Trevor completed J.D. in University of Idaho and B.S. in Boise State University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Trevor runs in Idaho is where that training gets applied to real client questions.

Recognition

Awards, publications, and recognition of Trevor Lowell Castleton

Trevor has received 1 formal recognition from bar associations, industry bodies, and peer-review services.

  • BV Distinguished

Legal awards and honors

BV Distinguished.

Affiliations

Trevor's professional memberships and bar associations

  • Sixth District and American Bar Associations Idaho State Bar Idaho Trial Lawyers Association American Trial Lawyers Association

    membership

Locations

Trevor Lowell Castleton's office in Idaho Falls

Trevor's primary office is at 525 9th St., Idaho Falls, ID, 83404. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Swafford Law Offices, Chtd.

525 9th St.

Idaho Falls, ID 83404

Open in Google Maps

Client feedback

Client reviews of Trevor Lowell Castleton — 4.3/5 rating from 4 verified client reviews

Every review below is from a verified client of Trevor. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing business attorneys in Idaho Falls.

4.3

4 client reviews

Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Trevor Lowell Castleton claims this profile.

Read all reviews

Hiring guide

How to hire Trevor Lowell Castleton — what to expect in your first consultation

Working with a new business attorney should feel structured. Here's how the first two conversations with Trevor usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

Trevor charges for the initial consult. That fee is credited toward representation if you retain Trevor's office.

What to bring to your first meeting

Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; Trevor will tell you what matters and what doesn't.

Questions to ask a business attorney in Idaho Falls, Idaho

A short list to run through before you commit: How many business matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?

Fees & payment

Fees, payment methods, and consultation options for Trevor

Trevor discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in business practice — ask which fits.

Hourly rates, contingency fees, and flat-fee options

Every business matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. Trevor confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

Trevor's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many business practices work with clients on structured schedules.

Frequently asked

Frequently asked questions about Trevor Lowell Castleton

  • How much does it cost to hire Trevor for a business case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Trevor walks through the likely range during the consult so there are no surprises.

  • Does Trevor offer a free consultation?

    Trevor charges for the initial consult; that fee is credited toward representation if you retain Trevor's office. Some business attorneys offer free consults — check Trevor's current terms during booking.

  • How long do business cases in Idaho typically take?

    Simple business matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. Trevor gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Trevor take my case if I'm outside Idaho Falls?

    Trevor is licensed in Idaho. Matters governed by Idaho law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Trevor will tell you if the case is a fit or refer you to someone closer to your court.

  • What should I bring to my first meeting with Trevor?

    Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. Trevor will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is Trevor accepting new business clients right now?

    Trevor's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.

Areas served

Business attorneys serving Idaho Falls, Boise and Coeur D Alene in Idaho

Trevor handles business matters throughout Idaho. Each city below is a direct link into the search page for verified business attorneys in that community.

More counsel

If Trevor's intake is full or the fit isn't right, these business attorneys in Idaho Falls handle similar matters. Every profile below is verified and open to consultations.