
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




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
Explore the Region
Featured Neighborhoods
Discover the breathtaking landscapes and welcoming communities of Northern California's most sought-after counties.
Handpicked For You
Featured Properties
Discover our curated selection of the finest homes, cabins, and ranches in Northern California.
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 →Client Stories
Reviews & Testimonials
“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!”
Sarah & Tom M.
Junction City
“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.”
Robert D.
Hayfork
“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.”
James & Linda K.
Weaverville
“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!”
Mike & Ashley R.
Lewiston
“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.”
Patricia H.
Weaverville
“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.”
David & Karen L.
Hayfork

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) 628-5850Mon-Sat: 8am - 5pm | Sun: 8am - 5pm
Weaverville Office
1313 S Main St, Suite A, PO Box 1263
Weaverville, CA 96093
(530) 623-5690Mon-Fri: 10am - 5pm | Weekends by Appt














