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Brett Douglas Dunne

Brett Douglas Dunne
Real Estate Agent (Broker)
Rancho Cucamonga - CA

Broker (CA: 01458890)

22 years experience

REALTOR® 3 Active Listings Serves San Bernardino County, CA
View on Realtor.com

About Brett Dunne

Brett Dunne grew up on a farm in southern Illinois Joining the Navy as a Corpsman Brett was stationed in Virginia He worked in the department of Neurosurgery at a large regional hospital By the age of 21 he was assisting with emergency head-trauma surgery and was the Senior Corpsman for the Neurosurgery ICU \n\nMoving to California in 1981 Brett became a business owner in ‘88 to present and in Real Estate more than a decade Thereby aiding his clientele with his marketing skills negotiation proficiencies and luxury home marketing expertise \n\nMr Dunne is a regional leader for KW Luxury and KW Global Property Specialists divisions The most prominent Realtors at Keller Williams Reality are positioned with one or the other of these divisions Mr Dunne is one of the very unique obtaining both He has also attained the prestigious Certified International Property Specialist awarded by the National Association of Realtors These affiliations allow his Clientele advantages in marketing their properties to influential people across our nation and to the foremost international buyers from around the world \n\nBrett is married with 3 children and 3 grandchildren He loves to mentor and serve at his Church and teach Bible Studies

San Bernardino County, CA Real Estate Market Analysis (Single Family Homes)

$629,668
Avg. Listing Price
From Brett's portfolio
3.4 / 2.4
Avg. Beds/Baths
Typical property size
1,873 sf
Avg. Square Footage
Interior living space
6280
Active Listings
Current inventory

San Bernardino County represents one of California's most expansive and diverse real estate markets, stretching across over 20,000 square miles from the urban corridors near Los Angeles to the vast Mojave Desert. This geographic giant encompasses everything from affordable suburban communities to luxury mountain retreats, creating a complex tapestry of housing markets that serves nearly 2.2 million residents. The sheer scale and variety of this market has attracted a substantial professional community, with 11,944 total actively licensed agents currently serving the region.

What makes San Bernardino County particularly interesting is its role as both a destination market for buyers seeking affordability and a logistics hub driving commercial real estate demand. The county benefits from major transportation corridors and proximity to Los Angeles, yet maintains significantly lower median home prices than coastal California markets. With all 11,944 agents maintaining email contact information, the market demonstrates a high level of digital connectivity and professional accessibility that reflects its growing sophistication.

Major San Bernardino County, California Real Estate Markets

The county's real estate landscape divides into several distinct regional markets, each with unique characteristics and price points. The western communities like Rancho Cucamonga, Ontario, and Fontana form part of the greater Los Angeles metropolitan area, featuring established suburban neighborhoods and strong commercial development. These cities have experienced significant appreciation as buyers migrate inland seeking more affordable alternatives to Orange County and Los Angeles proper.

Moving eastward, cities like San Bernardino, Redlands, and Riverside create the urban core of the Inland Empire, while mountain communities such as Big Bear Lake and Lake Arrowhead offer recreational and second-home markets. The High Desert region, including Victorville, Hesperia, and Apple Valley, represents some of the most affordable housing options in Southern California, attracting first-time buyers and investors alike. This geographic diversity creates multiple micro-markets within the broader county framework.

Market Dynamics and Geographic Complexity

San Bernardino County's real estate market operates on multiple speed cycles simultaneously, with urban areas near the LA basin moving at a faster pace than rural desert communities. The logistics and distribution industry has become a major economic driver, with massive warehouse developments in cities like Rialto and Colton creating both employment opportunities and industrial real estate demand. This economic diversification has helped stabilize the housing market during various economic cycles.

Climate variation across the county adds another layer of complexity, from Mediterranean conditions in the foothills to true desert environments in the eastern regions. These microclimates influence everything from construction costs to seasonal demand patterns, requiring real estate professionals to understand highly localized market conditions. The result is a market where expertise in one area doesn't necessarily translate to success in another, despite being within the same county boundaries.

Why Businesses Need San Bernardino County, California Agent Contact Data

The extensive network of real estate professionals across San Bernardino County represents a valuable business resource for companies targeting homeowners, investors, and commercial developers. With agents spread across such diverse geographic and economic territories, businesses can reach multiple demographic segments through targeted outreach campaigns. Mortgage lenders, home improvement companies, and financial services providers particularly benefit from connecting with agents who understand local market nuances and client needs.

The comprehensive email accessibility of all 11,944 licensed agents creates unprecedented opportunities for B2B marketing and partnership development. Companies launching new products or services can efficiently test different approaches across various market segments within the county, from luxury mountain properties to affordable starter homes in the High Desert. This level of professional connectivity makes San Bernardino County an ideal testing ground for real estate-related business strategies.

Contact Information

Brokerage
Daybreak Group
Office Address
6371 Haven Ave Ste 3 Ste 150
Rancho Cucamonga, CA  91737
(San Bernardino County)
Office Phone
909-575-8812
Office Fax
Mobile
909-224-7920
Email
brett@************

Service Areas

Rancho Cucamonga: CA Claremont: CA La Verne: CA Glendora: CA San Antonio Heights: CA Upland: CA Fontana: CA Rialto: CA Muscoy: CA San Bernardino: CA Devore Heights: CA

Current Property Listings

As of 1/31/2026, Brett Dunne has 3 properties for sale in Rancho Cucamonga and surrounding areas.

$575,000

Listed 2026-01-28

13509 Country Glen Ct
Yucaipa, CA  92399

Beds: 4.0
Baths: 2.0
Sq Ft: 1,884
Lot: 9,500 sf
Single Family Map
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$110,000

Listed 2025-10-10

Valencia
Phelan, CA  92371

Beds:
Baths:
Sq Ft:
Lot: 217,800 sf
Land Map
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$349,000

Listed 2025-11-18

6296 E Marina View Dr
Long Beach, CA  90803

Beds: 2.0
Baths: 2.0
Sq Ft: 1,344
Mobile Map
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Current Property Rentals

Brett Dunne currently has no rental properties available in Rancho Cucamonga and surrounding areas. Check back later.