Johnna Maertz Real Estate Agent - Blue Dolphin Realty, LLC.

110 S River Dr, Columbus, TX For Sale $410,000 - listed by Johnna Maertz — For Sale $410,000

Johnna Maertz listing agent for 220 Crooked Creek Dr, Sheridan, TX - sold for $250,000 — Sold

1138 Fannin St, Columbus, TX For Rent $2,500/month - listed by Johnna Maertz — For Rent $2,500/month

1032 Reeves Rd, Garwood, TX For Sale $278,900 - listed by Johnna Maertz — For Sale $278,900

Johnna Maertz buyer's agent for 604 S Mechanic St, Weimar, TX - sold for $149,500 — Sold

Johnna Maertz

Columbus TX

Blue Dolphin Realty, LLC.

97 Closed Sales

$18.7M Total Value

$55K - $627.4K Price Range

$192.9K Average Price

Prior 5 years

About Johnna

Johnna Maertz is Partner and Broker at Blue Dolphin Realty, LLC. She then moved into real estate as a sales associate in 2003 and became a Real Estate Broker soon after. She has garnered valuable experience over the years and is a hardworking person with a commitment to making clients and customers happy.

Johnna has closed deals in as little as 2 weeks and has helped people search for property for longer than 2 years before finding something that suited them. Buying property is a huge step in life. She wants to make sure the people she is helping are not just settling and find the property they truly desire.

Home Types: House, Lot/Land, Manufactured, MultiFamily

Years of Experience: 23

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	17
Total Value	$3,348,455
Average Sale Price	$196,968
Price Range	$21K - $314K

Buyer Deals
Total Deals	2
Total Value	$220,000
Average Sale Price	$110,000
Price Range	$95K - $125K

1 Year View by Quarter

Seller Deals
Total Deals	25
Total Value	$4,280,955
Average Sale Price	$171,238
Price Range	$16K - $320K

Buyer Deals
Total Deals	5
Total Value	$1,100,000
Average Sale Price	$220,000
Price Range	$95K - $575K

2 Year View by Quarter

Seller Deals
Total Deals	79
Total Value	$14,978,043
Average Sale Price	$189,595
Price Range	$15K - $627K

Buyer Deals
Total Deals	18
Total Value	$3,733,700
Average Sale Price	$207,428
Price Range	$75K - $575K

5 Year View

Neighborhoods Johnna is Experienced In

Spring Shadows

1 Sale

Johnna's Recent Active Listings

$410,000
- 3 Beds
- 2 Baths
- 1,646 Sq Ft
110 S River Dr

Columbus, TX
This one owner custom home has been filled with nothing but love and joy. It was built by the owners for the owners. The home has 3 bedrooms and 2 baths situated in a split floor plan setting. The kitchen, dining room, and living room are open concept. There are vaulted and coffered ceilings throughout. Abundant, oversized windows keep the home bright and cheerful. The living room fireplace is

Johnna Maertz Blue Dolphin Realty, LLC.

$278,900
- 4 Beds
- 2 Baths
- 2,016 Sq Ft
1032 Reeves Rd

Garwood, TX
Beautiful and recently cleared of underbrush, this property has so many options for use being unrestricted. Great Road frontage along the paved County Road! The home has 4 bedrooms and 2 baths, an easy flow floor-plain, and roomy, open common areas! The home has many big windows to let the sunshine in! Bedrooms and baths are large!!! The home is on a slab with supports on top to make for a solid

Johnna Maertz Blue Dolphin Realty, LLC.

$875,000
- 6 Beds
- 3 Baths
- 4,436 Sq Ft
2042 Willow Springs Rd

Fayetteville, TX
Minutes from Round Top/Warrenton/Fayetteville. Perfect Air BnB location as is but add cabins in your woods for more adventures! 4-7 bd, 3-ba home on 7.36+/-acres. Manicured around the home & beautifully wild in the woods. Privately tucked away, this is a rambling 2 story, 4000+/- sf beauty. Downstairs: Nice entry, living room, wood-burning FP, breakfast nook, country kitchen/island/breakfast bar,

Johnna Maertz Blue Dolphin Realty, LLC.

$375,000
- 3 Beds
- 2 Baths
- 1,744 Sq Ft
201 Smith St

Columbus, TX
One owner, 3 bed, 2 bath custom home. Built on copious beams & stone piers for phenomenal support...the home boasts 30 year laminate/architectural shingles, oversized rooms with high ceilings, wide hallway, shimmering low E windows, insulated doors, pull out solid wood kitchen cabinets & drawers, granite coffee bar, batt insulation in the walls, blown in cellulose insulation in the decked attic,

Johnna Maertz Blue Dolphin Realty, LLC.

$45,000
- Land
- 0.17 Acre
- $264,706 per Acre
50 Tuna Ct

Palacios, TX
On a dead end road, in the back of a cul-de-sac, you will find this cool set up. Not on the water front itself, but your owner amenities make this a waterfront access property! Tucked away against a large ranch pasture you will find this relaxation lot. With water, sewer, and electricity already in place ... this property is move in ready. Bring your camper and park it here under the sturdy,

Johnna Maertz Blue Dolphin Realty, LLC.

$459,000
- 2 Beds
- 2 Baths
- 1,168 Sq Ft
1085 Reeves Rd

Garwood, TX
WOW! If wide skies, open spaces, & flexible living are on the top of your list, this property DELIVERS!!! Be it your full-time home, weekend getaway, investment rental property, business location, Air BnB, Venue, or multi-generational property, this unique country setting makes this possible! The completely furnished 2 bed, 2 bath home means it is move in ready. So cozy, so functional, & has

Johnna Maertz Blue Dolphin Realty, LLC.

$399,000
- 4 Beds
- 3.5 Baths
- 2,200 Sq Ft
678 Colorado St

Glidden, TX
SHE’S A BEAUTY!!! You’ve heard all about custom homes but this a one in a million. Painstaking, time consuming renovations down to the studs. Electrical, plumbing, windows, solid exterior doors, flooring, insulation, walls, ceilings, etc... Top of the line LG Thin Q appliances! This rarity sits on a shady, corner lot just off SH 90. The home boasts 4 bedrooms (2 primary), 3.5 baths, high

Johnna Maertz Blue Dolphin Realty, LLC.

$449,900
- 2 Beds
- 1.5 Baths
- 1,056 Sq Ft
1138 Fannin St

Columbus, TX
Looking for one of the BEST commercial locations in Columbus,TX w/residential zoning, also! With an approx. 800-sf metal workshop, this property is ideal for your new business! Centrally located it allows access to many festivals, wineries, antique shows, public & private golf courses, the Colorado River, etc.. High traffic location for a business w/extra parking on property available &

Johnna Maertz Blue Dolphin Realty, LLC.

$232,478
- Land
- 6 Acres
- $42,039 per Acre
000 Kearney Dr

Columbus, TX
Hard to find small acreage just outside of Columbus. Nice grasses and seasonal creek. Bring in your manufactured home or build. Have a place for your animals. Lots of wildlife here. Come and see.

Johnna Maertz Blue Dolphin Realty, LLC.

Recently Sold

$250,000

Sold Jul 31, 2026

Last List Price
- 2 Beds
- 2 Baths
- 1,200 Sq Ft
220 Crooked Creek Dr

Sheridan, TX
- $208/SF
- 15 Days On Market
- Current Est. Value $246K
Johnna Maertz Blue Dolphin Realty, LLC.

$285,000

Sold Jun 25, 2026

Last List Price
- 3 Beds
- 2 Baths
- 1,342 Sq Ft
121 -A Jane Dr

Columbus, TX
- $212/SF
- 213 Days On Market
- Current Est. Value $225K
Johnna Maertz Blue Dolphin Realty, LLC.

$250,000

Sold Jun 8, 2026

Last List Price
- Land
- 10.00 Acre Lot
TBD Parcel 10 Lobo Ln

Columbus, TX
- 0 Days On Market
Johnna Maertz Blue Dolphin Realty, LLC.

$120,000

Sold Jun 8, 2026

Last List Price
- Land
- 0.49 Acre Lot
638 Prairie St

Columbus, TX
- $103/SF
- 28 Days On Market
- Current Est. Value $121K
Johnna Maertz Blue Dolphin Realty, LLC.

$289,900

Sold Jun 5, 2026

Last List Price
- 4 Beds
- 2 Baths
- 1,743 Sq Ft
528 Prairie St

Columbus, TX
- $166/SF
- 98 Days On Market
- Current Est. Value $283K
Johnna Maertz Blue Dolphin Realty, LLC.

$49,000

Sold May 19, 2026

Last List Price
- Land
- 0.24 Acre Lot
565 County Road 477

Palacios, TX
- 182 Days On Market
- Current Est. Value $47K
Johnna Maertz Blue Dolphin Realty, LLC.

$49,000

Sold May 15, 2026

Last List Price
- Land
- 9,713 Sq Ft Lot
401 W Red Snapper Dr

Palacios, TX
- 47 Days On Market
- Current Est. Value $45K
Johnna Maertz Blue Dolphin Realty, LLC.

$235,000

Sold May 7, 2026

Last List Price
- 3 Beds
- 2 Baths
- 1,260 Sq Ft
1061 Dee Allen Rd

Columbus, TX
- $187/SF
- 7 Days On Market
- Current Est. Value $238K
Johnna Maertz Blue Dolphin Realty, LLC.

$29,000

Sold May 1, 2026

Last List Price
- Land
- 6,534 Sq Ft Lot
301 Allen St

Eagle Lake, TX
- 15 Days On Market
- Current Est. Value $70K
Johnna Maertz Blue Dolphin Realty, LLC.

Agent License: Texas 0547283

Johnna Maertz

(979) 493-5992

Blue Dolphin Realty, LLC.

(979) 493-5992

Homes for Sale by City

Johnna Maertz

About Johnna

Transaction History

Seller Deals

Buyer Deals

Production Over Time

1 Year View by Quarter

Seller Deals

Buyer Deals

Production Over Time

2 Year View by Quarter

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods Johnna is Experienced In

Johnna's Listings and Deals

Johnna's Recent Active Listings

Recently Sold