```
Johnna Carol Maertz

Johnna Carol Maertz
Real Estate Agent (Broker)
Columbus TX

Broker (TX: 0547283)

23 years experience

REALTOR® 19 Active Listings Serves Colorado County, TX
View on Realtor.com

Contact Information

Brokerage
Blue Dolphin Realty Llc

Office Website
Office Address
102 S River Dr
Columbus, TX  78934
(Colorado County)
Office Phone
979-732-0619
Office Fax
Mobile
979-732-0619
Email
i***@********************.com
Show Email for $5

Service Areas

Columbus: TX Glidden: TX Altair: TX Eagle Lake: TX Garwood: TX Nada: TX Rock Island: TX Sheridan: TX Alleyton: TX Oakland: TX Weimar: TX Industry: TX Kenney: TX New Ulm: TX Bellville: TX Bleiblerville: TX Sealy: TX Brazos Country: TX San Felipe: TX Cat Spring: TX Carmine: TX Ellinger: TX Fayetteville: TX Warrenton: TX Round Top: TX Schulenburg: TX Hallettsville: TX Speaks: TX Sublime: TX Sweet Home: TX Kendleton: TX East Bernard: TX Hungerford: TX Lissie: TX Simonton: TX Brookshire: TX Pattison: TX Cinco Ranch: TX Park Row: TX Houston: TX Katy: TX

About Johnna Maertz

With deep familial roots in Colorado and its neighboring counties, Johnna comes from a lineage of early settlers, including the Leyendeckers, Zimmerscheidts, Meitzens, and Maertzs. Raised in a rural environment, she takes pride in her country upbringing. Since 1988, she has been happily married and is the mother of two wonderful daughters.

Currently residing in Columbus, Texas, Johnna has spent the majority of her life in this region but is equipped to facilitate real estate transactions throughout the entire state. For properties located at a considerable distance, she is open to referring clients to a qualified licensed Realtor, with the client’s consent.

Johnna is well-versed in listings from various real estate companies and is dedicated to providing personalized service. Clients can reach out via call, text, or email to arrange private showings. While she typically adopts a casual dress code, her approach to transactions is always professional and ethical, ensuring that clients receive the highest level of service.

Colorado County, TX Real Estate Market Analysis (Single Family Homes)

$410,319
Avg. Listing Price
From Johnna's portfolio
3.0 / 2.3
Avg. Beds/Baths
Typical property size
2,123 sf
Avg. Square Footage
Interior living space
114
Active Listings
Current inventory

Mortgage lenders, title companies, and PropTech companies consistently choose our Colorado County, Texas real estate agent email list to connect directly with the county's 92 actively licensed agents. This targeted database enables loan officers to build referral partnerships, title companies to introduce their services to new agents, and technology providers to demonstrate platforms that streamline transactions and client management.

Insurance providers, continuing education companies, and real estate recruiters also rely on this list to reach agents where they conduct business. Rather than wasting resources on broad statewide campaigns, smart businesses buy Colorado County real estate agent email list data to focus their outreach on agents actively working in specific markets they serve, resulting in higher response rates and better ROI on marketing investments.

Why Buy a Colorado County Real Estate Agent Email List From Dr Bill

Our Colorado County agent data comes directly from Texas Real Estate Commission licensing records, ensuring every email address belongs to a currently active, licensed professional. We update this list monthly and guarantee 96% deliverability, which means your messages reach real inboxes instead of bouncing back like the outdated, recycled data sold by discount list vendors who scrape websites or rely on years-old information.

While cheap alternatives flood the market with unverified contacts that damage your sender reputation, our verified database protects your email deliverability and maintains your professional credibility. Each record includes the agent's full licensing information, brokerage affiliation, and contact details that have been validated within the past 30 days, giving you confidence that your outreach reaches decision-makers who can actually respond to your services.

How to Use This Colorado County Agent List

Most buyers use this list for targeted email campaigns through cold-email platforms like Zap Contact (zapcontact.com), Dr Bill's purpose-built platform designed specifically for purchased lists. Unlike mainstream platforms like Mailchimp or Constant Contact that prohibit purchased lists, specialized cold-email tools let you create personalized outreach sequences that introduce your services and build relationships with agents over time.

Beyond email marketing, this database works perfectly for direct mail campaigns, phone prospecting, and LinkedIn connection strategies. You can segment the data to target sales agents differently than broker-owners, or focus on specific zip codes where your services are most relevant. Many companies combine multiple outreach channels, using email for initial contact, phone calls for follow-up, and LinkedIn messages to build ongoing professional relationships.

Why Colorado County, Texas Agent Data Matters

Colorado County encompasses communities like Columbus, Eagle Lake, and Weimar, each with distinct real estate dynamics that agents understand better than outsiders. The county's 92 licensed agents represent intimate knowledge of local markets, buyer preferences, and transaction patterns that make them valuable partners for businesses serving the real estate industry. No other vendor provides Colorado County data segmented at the zip code level, giving you unprecedented targeting precision.

Local targeting consistently outperforms generic statewide email blasts because agents recognize businesses that understand their specific markets. When you reference Colorado County locations and demonstrate knowledge of local real estate activity, agents immediately identify you as a relevant service provider rather than another vendor sending mass-market pitches to thousands of Texas agents who may never work in their area.

Current Property Listings

As of 3/27/2026, Johnna Maertz has 19 properties for sale in Columbus and surrounding areas. These are the top 10 listings.

$299,900

Listed 2025-11-26

192 Plum Acres Ln
West Point, TX  78963

Beds: 3.0
Baths: 1.0
Sq Ft: 1,822
Lot: 94,438 sf
Farm Map
View Full Details

$285,000

Listed 2025-09-28

121 Jane Dr Apt A
Columbus, TX  78934

Beds: 3.0
Baths: 2.0
Sq Ft: 1,342
Lot: 7,945 sf
Single Family Map
View Full Details

$405,000

Listed 2026-03-26

678 Colorado St
Glidden, TX  78943

Beds: 4.0
Baths: 3.5
Sq Ft: 2,200
Lot: 5,898 sf
Single Family Map
View Full Details

$394,500

Listed 2025-09-06

201 Smith St
Columbus, TX  78934

Beds: 3.0
Baths: 2.0
Sq Ft: 1,744
Lot: 6,534 sf
Single Family Map
View Full Details

$899,000

Listed 2025-06-19

2042 Willow Springs Rd
Fayetteville, TX  78940

Beds: 6.0
Baths: 3.0
Sq Ft: 4,436
Lot: 320,602 sf
Farm Map
View Full Details

$55,000

Listed 2025-12-11

628 Austin St
Columbus, TX  78934

Beds:
Baths:
Sq Ft:
Lot: 11,975 sf
Land Map
View Full Details

$289,000

Listed 2025-12-15

1630 Montezuma St
Columbus, TX  78934

Beds: 3.0
Baths: 1.0
Sq Ft: 1,661
Lot: 26,441 sf
Single Family Map
View Full Details

$250,000

Listed 2025-10-20

Lobo Ln Parcel 2
Columbus, TX  78934

Beds:
Baths:
Sq Ft:
Lot: 435,600 sf
Land Map
View Full Details

$250,000

Listed 2025-12-19

Lobo Ln Parcel 4
Columbus, TX  78934

Beds:
Baths:
Sq Ft:
Lot: 435,600 sf
Land Map
View Full Details

$249,000

Listed 2026-01-26

Kearney Dr
Columbus, TX  78934

Beds:
Baths:
Sq Ft:
Lot: 241,113 sf
Land Map
View Full Details

Current Property Rentals

As of 3/27/2026, Johnna Maertz has the following rental properties available in Columbus and surrounding areas. These are the top 10 listings.

$2,500

Listed 2026-01-26

1138 Fannin St
Columbus, TX  78934

Beds: 2.0
Baths: 1.5
Sq Ft: 1,056
Lot: 5,833 sf
Single Family Map
View Full Details

$1,650

Listed 2025-12-17

1126 Jackson St
Columbus, TX  78934

Beds: 2.0
Baths: 2.0
Sq Ft: 1,422
Lot: 10,454 sf
Single Family Map
View Full Details

$2,500

Listed 2026-01-20

218 Smith St
Columbus, TX  78934

Beds: 3.0
Baths: 2.5
Sq Ft: 2,012
Lot: 15,960 sf
Single Family Map
View Full Details