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Business Details
50+ Years
experience
Your Trusted Real Estate Partner in Muskogee, OK
Interstate Properties has been a trusted name in real estate since 1953, offering comprehensive sales and development services for residential and commercial properties. Founded by Earnie Gilder's grandfather, our company combines decades of local expertise with a commitment to personalized service. Licensed in Oklahoma, Arkansas, and New York, we provide tailored solutions for homebuyers, investors, and businesses through our dedicated team of professionals. Our subsidiary, Property Management Inc., ensures seamless leasing and management experiences. With a focus on community and integrity, we guide clients through every step of their real estate journey, from finding family homes to strategic investment opportunities.

Our broker, Earnie Gilder, brings over 45 years of industry experience as a Certified International Property Specialist, ensuring global standards meet local market knowledge. We specialize in new developments like the Walnut Creek subdivision while maintaining a robust portfolio of active and sold properties across diverse price points. Our team's diverse backgroundsfrom engineering to healthcareenhance our ability to understand client needs. We leverage cutting-edge tools like MLS search platforms and mortgage calculators to streamline the buying process. For over seven decades, our reputation has been built on transparency, expertise, and a deep understanding of the Muskogee market.
Services
Residential Sales Commercial Sales Property Management Land Sales Investment Services
Details
  • Year established: 1953
Highlights and features
  • Established in 1953 with unmatched local market expertise
  • Licensed in three states for expanded service capabilities
  • Broker holds CIPS certification for international property standards
  • Dedicated property management subsidiary for seamless leasing
  • New development specialists with Walnut Creek subdivision expertise
Associations and certifications
  • CIPS (Certified International Property Specialist)
Services
Residential Sales
We specialize in connecting families with their ideal homes across Muskogee and surrounding areas. Our agents provide market insights, negotiation expertise, and personalized guidance through every transaction stage. From mid-century charm to modern luxury, we offer diverse listings from $79,900 to $689,900.
Commercial Sales
Our commercial real estate division handles retail spaces, industrial warehouses, and development land. We represent clients seeking prime locations like Shawnee Bypass corridors or medical office buildings. Properties range from $250,000 to $2.1 million with tailored investment analysis.
Property Management
Through Property Management Inc., we offer leasing and management solutions for residential and commercial properties. Our services include tenant screening, maintenance coordination, and financial reporting to maximize property value and owner returns.
Land Sales
We facilitate land transactions for residential and commercial development. Current offerings include half-acre and one-acre lots in Quail Creek subdivisions priced from $22,000, plus acreage along Peak Blvd with development potential.
Investment Services
Our team advises on investment opportunities in Muskogee's growing market. We analyze cash flow potential, market trends, and renovation opportunities for properties ranging from fixer-uppers to commercial developments.
People
Earnie Gilder
Broker
With over 45 years in real estate, Earnie Gilder leads as broker. A 1969 Merchant Marine Academy graduate, he obtained his license in 1978 and holds CIPS certification for international property standards.
Holly Rosser Miller
Real Estate Agent
Holly transitioned from television news to real estate, bringing communication expertise. She holds a bachelor's degree and combines media experience with local market knowledge to serve clients effectively.
Karra Wardour
Real Estate Agent
A Muskogee native since 2007, Karra advanced from office manager to licensed agent in 2010. She leverages deep local connections and operational experience to assist clients in residential and commercial transactions.
Tim Bales
Real Estate Agent
Tim Bales, a lifelong Muskogee resident, applies his sales expertise and community knowledge to real estate. His background in outdoor recreation and business development enhances his client-focused approach.
Shelly Schoonover
Real Estate Agent
A Muskogee High graduate and former ER nurse, Shelly combines healthcare precision with real estate services. Her local expertise and teaching background help clients navigate complex transactions with confidence.
Questions
What areas do you serve?
We operate in Oklahoma, Arkansas, and New York with primary focus on Muskogee County and surrounding regions.
What property types do you handle?
We specialize in residential, commercial, and land properties including new developments and investment opportunities.
How can I search available properties?
Use our online MLS search tool or contact our office for personalized property recommendations and virtual tours.
Do you offer property management services?
Yes, through Property Management Inc., our subsidiary handling leasing, maintenance, and tenant relations for residential and commercial properties.
What financing options exist?
We partner with local lenders and provide mortgage calculators, though direct financing options aren't offered by our company.
Who is your broker?
Earnie Gilder, a CIPS-certified broker with 45+ years experience, leads our team since obtaining his license in 1978.