Trinity Alps wilderness

Serving Trinity and Shasta Counties

Making Dreams
Become Reality

Led by Retta Treanor, Broker/Owner & CRS, Big Valley Properties specializes in mountain cabins, ranch land, and unique homes across Trinity and Shasta Counties.

“Educate. Negotiate. Communicate.”

#1

Brokerage in Trinity County

2

Counties Served

20+

Years of Excellence

#1 Brokerage

Trinity County

REALTOR® Certified

Licensed Agents

4.9-Star Rating

50+ Google Reviews

500+ Sales

Successful Closings

20+ Years

Serving NorCal

River view from deck
Mountain cabin
Riverside cabin
Mountain farmhouse aerial

Our Story

About Big Valley Properties

Big Valley Properties is more than a brokerage. We're your neighbors, your advocates, and your guides to Northern California's most beautiful landscapes.

Founded by Retta Treanor with a vision of personalized, ethical real estate service, we've grown to become the leading brokerage serving Trinity and Shasta Counties. Our team of dedicated agents brings deep local knowledge, strong negotiation skills, and a genuine passion for the communities we serve.

Whether you're searching for a mountain retreat, expansive ranch land, or your family's forever home, we're committed to making your real estate dreams a reality.

Educate

Negotiate

Communicate

Learn More About Us

Whether You're Buying or Selling

How Can We Help You?

Big Valley Properties serves Shasta and Trinity Counties with local expertise in residential, commercial, land, and ranch properties.

Property Owners

What Is Your Property Worth?

Get a free market value estimate for your Shasta or Trinity County property — residential, commercial, or land. Takes 2 minutes.

Get My Free Estimate →

Active Buyers

Private Access to Off-Market Listings

Create your buyer profile and get early access to pre-market and off-market properties in Shasta and Trinity Counties.

Create Buyer Profile →

Your Local Experts

Meet Our Team

Our experienced agents live and work in the communities they serve, bringing unmatched local knowledge to every transaction.

Retta Treanor

Retta Treanor

Broker / Owner, CRS

(530) 410-1992

Shannon Aikins

Shannon Aikins

REALTOR® SFR, CNE

(530) 524-2479

Lydia McAllister

Lydia McAllister

REALTOR®

(530) 394-0239

Shalynn Hutchason

Shalynn Hutchason

REALTOR®

(530) 784-3909

Brandon Rea

Brandon Rea

REALTOR®

(707) 380-9069

Trish Harris

Trish Harris

REALTOR®

(530) 722-8787

Roni Parish

Roni Parish

REALTOR®

(916) 217-2982

Client Stories

Reviews & Testimonials

4.9out of 5 stars from 50+ reviews
Google Reviews100% Customer Satisfaction
February 2026

Retta went above and beyond to help us find the perfect cabin in Trinity County. Her knowledge of the area and dedication to our family was remarkable. We couldn't be happier with our new mountain home!

S&

Sarah & Tom M.

Junction City

January 2026

Selling our ranch was emotional, but Big Valley Properties handled it with such care and professionalism. They got us an incredible price and made the whole process smooth.

RD

Robert D.

Hayfork

December 2025

Retta is the ultimate professional! She is very knowledgeable about the local market and always puts her clients first. I would recommend Big Valley Properties to anyone looking to buy or sell.

J&

James & Linda K.

Weaverville

November 2025

Shannon was a top-selling agent with expert follow-through and attention to detail. She made the process of buying our first home so much easier than we expected. Highly recommend!

M&

Mike & Ashley R.

Lewiston

October 2025

Big Valley Properties is without a doubt the best real estate company in Trinity County. Their local expertise is unmatched, and they truly care about finding you the right property.

PH

Patricia H.

Weaverville

September 2025

Professional guidance from start to finish. The team at Big Valley Properties made our relocation to Northern California seamless. They know every corner of this beautiful county.

D&

David & Karen L.

Hayfork

Road to Mt. Shasta

Ready to Find Your Place?

Whether you're looking for a creekside cabin, a sprawling ranch, or your family's forever home. We're here to help you every step of the way.

Visit Us

Our Offices

Two convenient locations serving Trinity and Shasta Counties.

Hayfork Office

7050 State Hwy 3, PO Box 970

Hayfork, CA 96041

(530) 628-5850

Mon-Sat: 8am - 5pm | Sun: 8am - 5pm

Weaverville Office

1313 S Main St, Suite A, PO Box 1263

Weaverville, CA 96093

(530) 623-5690

Mon-Fri: 10am - 5pm | Weekends by Appt