Leigh Castoldi

Leigh Castoldi
Real Estate Agent (Broker)
Renton WA

Broker (WA: 73486)

REALTOR® 1 Active Listings Serves King County, WA
View on Realtor.com

Contact Information

Brokerage
Coldwell Banker Bain Of Lake Union

Office Website
Office Address
15451 139th Ave Se
Renton, WA  98058
(King County)
Office Phone
206-283-5200
Office Fax
206-284-6317
Mobile
206-999-1198
Email
leighcastoldi@cbbain.com

Service Areas

Beaux Arts: WA Bellevue: WA Cottage Lake: WA Redmond: WA Union Hill-Novelty Hill: WA Renton: WA Fairwood: WA Shadow Lake: WA Maple Heights-Lake Desire: WA East Renton Highlands: WA Seattle: WA

About Leigh Castoldi

Since 2003, this Seattle-based real estate agent has dedicated her career to serving clients with professionalism and expertise. As a Certified Residential Specialist and a member of the National Association of Realtors, she brings a wealth of knowledge to the table. Additionally, she is a Cartus Certified Relocation Specialist and a USAA MoversAdvantage® Preferred Broker, further enhancing her ability to assist clients in various circumstances.

Her primary focus is to guide clients in achieving their real estate objectives, whether they are considering buying or selling a property. For sellers, she provides a comprehensive approach that includes assessing market value, developing a tailored marketing strategy, preparing the home for prospective buyers, and evaluating offers to ensure the best outcome.

For buyers, she offers support in securing pre-approval from lenders, identifying suitable homes, assessing property values, and crafting competitive offers. Throughout the entire process, she coordinates all aspects of the transaction, collaborating with lenders, inspectors, appraisers, escrow officers, and other agents to ensure a seamless closing experience.

Operating in Seattle, Bellevue, and surrounding areas, she is committed to delivering exceptional service and results for her clients.

King County, WA Real Estate Market Analysis (Single Family Homes)

$1,681,188
Avg. Listing Price
From Leigh's portfolio
3.8 / 3.0
Avg. Beds/Baths
Typical property size
2,703 sf
Avg. Square Footage
Interior living space
5370
Active Listings
Current inventory

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This King County agent list gives you direct access to {{AGENT_COUNT}} actively licensed real estate professionals with verified email addresses, plus {{CELL_COUNT}} agents who also have cell phone numbers on file. Use it for cold email sequences through platforms like Zap Contact (zapcontact.com) or other cold-email tools, for direct mail drops, for SMS outreach, or to fuel LinkedIn audience matching. No gatekeepers, no guessing — just verified contacts ready to work.

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Segmenting by broker versus sales agent is a smart move if your offer differs for team leaders versus individual producers. You can also filter by city or zip code within King County to tighten your targeting for local events, geographic promotions, or territory-based sales teams.

Why King County, Washington Agent Data Matters

King County is home to Seattle, Bellevue, Redmond, Kirkland, Renton, and dozens of other active real estate markets that together represent one of the most productive agent communities in the Pacific Northwest. With {{AGENT_COUNT}} licensed agents operating across this county, a targeted list here puts your message in front of a dense, high-activity professional audience. Sending a statewide blast means your offer gets diluted across rural markets that may have no relevance to your business — local targeting changes that entirely.

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Current Property Listings

As of 6/15/2026, Leigh Castoldi has 1 property for sale in Renton and surrounding areas.

$625,000

Listed 2026-04-03

135 N 46th St Apt 101
Seattle, WA  98103

Beds: 2.0
Baths: 2.0
Sq Ft: 1,176
Condo Map
View Full Details

Current Property Rentals

Leigh Castoldi currently has no rental properties available in Renton and surrounding areas. Check back later.