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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)

$458,377
Avg. Listing Price
From Johnna's portfolio
3.0 / 2.3
Avg. Beds/Baths
Typical property size
2,193 sf
Avg. Square Footage
Interior living space
95
Active Listings
Current inventory

Colorado County, Texas represents a fascinating microcosm of rural real estate dynamics, where agricultural heritage meets modern residential development. Located in the heart of southeast Texas between Houston and Austin, this county encompasses charming communities like Columbus, Eagle Lake, and Weimar, each offering distinct market characteristics that reflect both historical significance and contemporary growth patterns.

The real estate landscape here is supported by exactly 92 actively licensed agents, all of whom maintain digital connectivity with email addresses—a surprisingly high rate of technological adoption for a predominantly rural market. This complete digital presence among local professionals signals a market that's more sophisticated and connected than many might expect from a county known primarily for its rice farming and cattle ranching operations.

Major Colorado County, Texas Real Estate Markets

Columbus serves as the county seat and primary real estate hub, featuring a mix of historic homes dating back to the 1800s and newer suburban developments that attract Houston commuters seeking affordable family-friendly communities. Eagle Lake, famous for its waterfowl hunting and rice production, has emerged as an unexpected hotspot for recreational property investments, with lakefront parcels and hunting lodges commanding premium prices during peak seasons.

The smaller communities of Weimar, Glidden, and Sheridan offer unique opportunities in the farm-to-residential conversion market, where century-old homesteads are being transformed into modern rural retreats. These areas particularly appeal to buyers seeking larger acreage properties within driving distance of major metropolitan areas, creating a niche market that local agents have learned to navigate expertly.

Market Dynamics and Geographic Complexity

What makes Colorado County's real estate market particularly intriguing is its dual nature as both an agricultural powerhouse and a bedroom community for urban professionals. Property values vary dramatically based on proximity to major highways like Interstate 10 and US Highway 71, with parcels near these transportation corridors often commanding 30-40% premiums over similar properties in more remote locations.

The county's position within the Houston-Austin corridor creates unique seasonal fluctuations, with hunting season driving recreational property demand and spring months seeing increased activity from families relocating for school districts. Additionally, the area's rich Czech and German heritage has created a small but steady market for heritage tourism properties, including restored farmhouses and event venues that capitalize on the region's cultural attractions.

Why Businesses Need Colorado County, Texas Agent Contact Data

Service providers targeting the real estate industry will find Colorado County's complete digital connectivity among its 92 agents creates exceptional opportunities for comprehensive market penetration. Whether offering mortgage services, home inspection tools, or marketing platforms, businesses can reach every licensed professional in the county through direct email campaigns, ensuring no potential client relationships are missed due to outdated contact information.

The county's unique position as a bridge market between rural and suburban segments makes it an ideal testing ground for real estate technology and services. Companies developing solutions for agricultural property transactions, recreational real estate marketing, or commuter-focused home buying platforms can leverage this complete agent database to gather feedback, pilot programs, and establish market presence before expanding to larger, more competitive metropolitan areas.

Current Property Listings

As of 2/13/2026, 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

$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

$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

$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

$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

$55,000

Listed 2025-12-11

628 Austin St
Columbus, TX  78934

Beds:
Baths:
Sq Ft:
Lot: 11,975 sf
Land Map
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$250,000

Listed 2025-12-19

Lobo Ln Parcel 4
Columbus, TX  78934

Beds:
Baths:
Sq Ft:
Lot: 435,600 sf
Land Map
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$120,000

Listed 2026-01-08

638 Prairie St
Columbus, TX  78934

Beds:
Baths:
Sq Ft:
Lot: 21,175 sf
Land Map
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$929,000

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
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$250,000

Listed 2026-01-06

Lobo Ln Parcel 5
Columbus, TX  78934

Beds:
Baths:
Sq Ft:
Lot: 435,600 sf
Land Map
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Current Property Rentals

As of 2/13/2026, Johnna Maertz has the following rental properties available in Columbus and surrounding areas. These are the top 10 listings.

$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
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$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
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$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
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