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Kathleen Mary Seibel

Kathleen Mary Seibel
Real Estate Agent (Salesperson)
Santa Rosa CA

Salesperson (CA: 00661442)

48 years experience

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

Contact Information

Brokerage
W Real Estate

Office Website
Office Address
500 Bicentennial Way
Santa Rosa, CA  95403
(Sonoma County)
Office Phone
707-591-0570
Office Fax
707-524-9636
Mobile
707-484-9280
Email
kats*****@***.com
Show Email for $5

Service Areas

Bloomfield: CA Petaluma: CA Valley Ford: CA Tomales: CA

About Kathleen Seibel

Kathleen is a distinguished REALTOR® with four decades of experience, consistently ranking among the top 1% of agents in Petaluma. Her expertise extends throughout Sonoma County, as well as Marin County and the Vacaville area. Over the years, Kathleen's passion for real estate has only intensified, and she finds great fulfillment in her work. Her clients, many of whom return for her guidance across generations, appreciate her steady and reliable support. Known for her approachable demeanor, Kathleen excels in assisting first-time homebuyers, selecting properties she would confidently recommend to her own family. Her dedication to facilitating smooth, low-pressure transactions has fostered strong client loyalty.

Kathleen's affinity for real estate is deeply rooted in her family background. Raised in San Francisco, she was influenced by her father, who served as President of Northern Counties Title Corporation, along with several relatives who also worked in the industry. Before transitioning to real estate, Kathleen spent seven years in inside sales at IBM, ultimately seeking the flexibility and opportunities that a career in real estate could offer. Additionally, her ownership of AA Notary & Signing Service allows her to provide comprehensive support to her clients during and after the closing process.

In 1982, shortly after obtaining her real estate license, Kathleen relocated to Petaluma, a community she cherishes for its affordability and family-friendly environment. While her three sons were in school, she actively participated in local organizations, including the Petaluma Valley Little League and the Casa Grande High School Booster Club, as well as initiatives within the Petaluma and Old Adobe School Districts. Now married for over forty years to Joe, a teamster, Kathleen dedicates her time to the Petaluma Elks Lodge and enjoys spending time with her two young grandchildren. The family also cherishes their annual trips to Scottsdale, Arizona, for spring training.

**Client Testimonials**
"I've worked with many REALTORS®, and it’s the ability to swiftly resolve issues that distinguishes a good agent from an exceptional one. Kathleen Seibel truly exceeded my expectations. When I needed information from a closed bank, she demonstrated remarkable creativity and resourcefulness, quickly locating a vendor's contact and expediting the resolution of what could have been a lengthy problem. Her responsiveness and determination to solve issues immediately left me impressed. All I can say is WOW and thank you!"
— Adryenn A.

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

$1,477,212
Avg. Listing Price
From Kathleen's portfolio
3.3 / 2.7
Avg. Beds/Baths
Typical property size
2,204 sf
Avg. Square Footage
Interior living space
1069
Active Listings
Current inventory

Sonoma County's real estate market represents one of California's most dynamic and geographically diverse property landscapes, where world-renowned wine country estates meet coastal retreats and suburban family neighborhoods. With 2,847 total actively licensed agents serving the region, this market reflects both the area's prestigious reputation and its complex mix of luxury vacation properties, agricultural land, and traditional residential communities stretching from the Pacific Coast to inland valleys.

The market's sophistication is evident in its comprehensive agent network, with all 2,847 licensed professionals maintaining email connectivity, demonstrating the tech-savvy approach required to serve clients in this high-value, information-intensive market. This complete digital coverage reflects the modern demands of buyers and sellers who often include affluent out-of-area purchasers, international investors, and discerning locals navigating property transactions that frequently involve unique zoning considerations, vineyard rights, or coastal regulations.

Major Sonoma County, California Real Estate Markets

Santa Rosa dominates as the county's largest city and primary real estate hub, offering everything from historic downtown condos to sprawling suburban developments in areas like Fountaingrove and Bennett Valley. The city's recovery and rebuilding following recent wildfire challenges has created unique market dynamics, with new construction commanding premium prices while established neighborhoods show varied recovery patterns. Petaluma and Rohnert Park serve as important secondary markets, attracting families and commuters with more accessible price points and strong school districts.

The coastal corridor, anchored by Bodega Bay and Jenner, operates as a distinct luxury market focused on vacation homes and investment properties, where oceanfront parcels and coastal ridge properties command millions. Meanwhile, the wine country towns of Healdsburg, Sonoma, and Glen Ellen represent some of California's most exclusive rural residential markets, where vineyard estates and custom homes blend agricultural heritage with luxury amenities, often attracting buyers from San Francisco's tech and finance sectors.

Market Dynamics and Geographic Complexity

Sonoma County's real estate market operates across dramatically different price tiers and property types, from $500,000 starter homes in inland communities to $20+ million vineyard estates in premium appellations. This diversity creates complex cross-market dynamics where coastal property trends may not correlate with wine country patterns, and Santa Rosa's urban market operates independently of rural agricultural sales, requiring agents to develop specialized expertise in multiple market segments.

Seasonal patterns significantly influence market activity, with spring and summer months driving peak sales in wine country and coastal areas as buyers from warmer climates seek Sonoma's temperate weather and lifestyle amenities. The market also experiences unique pressures from wildfire risk assessments, with properties in certain zones facing specialized insurance requirements and disclosure obligations that create additional complexity for transactions and ongoing market valuations.

Why Businesses Need Sonoma County, California Agent Contact Data

Real estate service providers targeting Sonoma County's market require comprehensive agent contact information to effectively reach professionals handling high-value transactions across diverse property types. With agents specializing in everything from vineyard sales to coastal luxury properties, businesses offering specialized services like agricultural appraisals, luxury home staging, or wildfire mitigation consulting need direct access to relevant agent networks to build referral relationships and market their expertise effectively.

The complete email coverage among all 2,847 licensed agents enables efficient digital marketing campaigns and professional outreach, particularly valuable given the county's geographic spread and the tendency for agents to specialize in specific regions or property types. Mortgage lenders, insurance providers, property management companies, and construction services can leverage this comprehensive contact data to build targeted relationships with agents whose client bases align with their service offerings.

Current Property Listings

As of 2/17/2026, Kathleen Seibel has 3 properties for sale in Santa Rosa and surrounding areas.

$899,999

Listed 2025-12-04

716 Elm Dr
Petaluma, CA  94952

Beds: 3.0
Baths: 2.0
Sq Ft: 1,388
Lot: 5,985 sf
Single Family Map
View Full Details

$2,487,500

Listed 2025-09-03

1455 Valley Ford Freestone Rd
Bodega, CA  94922

Beds: 4.0
Baths: 3.5
Sq Ft: 3,789
Lot: 392,040 sf
Single Family Map
View Full Details

$779,000

Listed 2025-09-12

1407 Woodside Cir
Petaluma, CA  94954

Beds: 3.0
Baths: 2.5
Sq Ft: 1,752
Lot: 3,467 sf
Single Family Map
View Full Details

Current Property Rentals

Kathleen Seibel currently has no rental properties available in Santa Rosa and surrounding areas. Check back later.