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Tammy B Mercier

Tammy B Mercier
Real Estate Agent (Broker)
Gretna LA

Broker (LA: BROK.0099563678-ASA)

23 years experience

REALTOR® 6 Active Listings Serves Jefferson County, LA
View on Realtor.com

Contact Information

Brokerage
Riverlands Realty Llc

Office Website
Office Address
522 Lafayette St
Gretna, LA  70053
(Jefferson County)
Office Phone
504-400-7272
Office Fax
Mobile
504-339-5009
Email
tamm************@*****.com
Show Email for $5
Website

Service Areas

Timberlane: LA Terrytown: LA Gretna: LA Estelle: LA Marrero: LA New Orleans: LA Harahan: LA Elmwood: LA River Ridge: LA Belle Chasse: LA Violet: LA Meraux: LA Poydras: LA Metairie: LA Harvey: LA Woodmere: LA

About Tammy Mercier

When it comes to knowing a market you can’t get any more local or any more plugged in than Credere Realty Inc Broker Tammy Barca Mercier – Owner William Mercier Jr Certified Residential Appraiser Kyle Mercier Angelia Beasley Kim Kerner Certified Residential Appraiser-Realtor Carmouche Enzo Pallitta With the family being third-generation New Orleanian’s who have lived in NOLA their whole lives every agent takes pride in their local communities by staying involved All REALTOR® with Credere Realty Inc are veterans in the industry
As experts in the local economy they know how to interact with people in the New Orleans real estate market Their extensive background in real estate (working with multiple investors) means that they are no strangers to closing deals The family involvement in the industry experts at networking and cultivating relationships while providing the cumulative knowledge so clients can make wise decisions
Tammy and William have worked hard to build a company based on quality instead of quantity Everyone on the Credere Realty Inc team shares the goal of building trust-based relationships with clients and ensuring that each client’s needs are met while their expectations are exceeded

Jefferson County, LA Real Estate Market Analysis (Single Family Homes)

$384,641
Avg. Listing Price
From Tammy's portfolio
3.4 / 2.4
Avg. Beds/Baths
Typical property size
1,968 sf
Avg. Square Footage
Interior living space
1792
Active Listings
Current inventory

Jefferson County, Louisiana represents one of the most dynamic and complex real estate markets in the greater New Orleans metropolitan area. With 1,405 actively licensed real estate agents serving this diverse parish, the market reflects a unique blend of suburban growth, post-Katrina recovery dynamics, and evolving demographic shifts that continue to reshape property values and development patterns across the region.

The professional real estate community in Jefferson County maintains remarkably high connectivity, with all 1,405 licensed agents having email contact information available. This complete digital accessibility reflects the market's sophisticated approach to technology adoption and client communication, setting it apart from many comparable markets throughout Louisiana where agent connectivity often lags behind industry standards.

Major Jefferson County, Louisiana Real Estate Markets

The East Bank communities of Metairie, Kenner, and Gretna dominate Jefferson County's real estate activity, with Metairie alone accounting for nearly 40% of all residential transactions. These established neighborhoods offer everything from mid-century ranch homes to luxury high-rise condominiums, creating diverse price points that attract first-time buyers and affluent professionals alike. Kenner's proximity to Louis Armstrong New Orleans International Airport has sparked significant commercial and residential development, particularly in mixed-use projects that cater to aviation industry workers.

The West Bank markets of Harvey, Marrero, and Westwego present compelling value propositions for buyers seeking affordability without sacrificing access to New Orleans employment centers. These communities have experienced surprising appreciation rates over the past five years, with waterfront properties in Westwego showing particular strength as remote work trends allow buyers to prioritize lifestyle amenities over commute considerations.

Market Dynamics and Geographic Complexity

Jefferson County's real estate landscape operates within the unique constraints of Louisiana's coastal geography, where flood zones, levee systems, and hurricane risk assessment directly impact property values and insurance costs. The parish's elevation variations create distinct micro-markets where properties just blocks apart can experience dramatically different appreciation patterns based solely on their flood risk profiles and proximity to pumping stations.

Inventory levels remain critically tight across most Jefferson County submarkets, with luxury properties in Old Metairie and riverfront homes commanding premium pricing despite broader economic uncertainties. The market has also seen unexpected strength in commercial real estate, particularly in adaptive reuse projects that convert former retail spaces into mixed-use developments, reflecting changing consumer preferences and the lasting impact of pandemic-era shopping behaviors.

Why Businesses Need Jefferson County, Louisiana Agent Contact Data

Financial services companies, mortgage lenders, and insurance providers can leverage Jefferson County's comprehensive agent database to build targeted marketing campaigns that address the parish's specific challenges around flood insurance, hurricane preparedness, and post-disaster property rehabilitation. With every agent maintaining email connectivity, businesses can efficiently distribute market updates, regulatory changes, and product announcements that directly impact local real estate transactions.

Technology companies and service providers benefit enormously from accessing Jefferson County's agent network, as these professionals actively seek solutions for virtual touring, drone photography, and digital marketing tools that help them compete in an increasingly sophisticated market. The parish's tech-forward agent community represents an ideal testing ground for new real estate technologies and services.

Current Property Listings

As of 2/17/2026, Tammy Mercier has 6 properties for sale in Gretna and surrounding areas.

$399,000

Listed 2025-12-21

876 Lemoyne St
New Orleans, LA  70124

Beds: 3.0
Baths: 2.0
Sq Ft: 1,585
Lot: 4,800 sf
Single Family Map
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$498,900

Listed 2026-02-01

2633 Dumaine St
New Orleans, LA  70119

Beds: 3.0
Baths: 2.0
Sq Ft: 1,820
Lot: 5,489 sf
Single Family Map
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$398,500

Listed 2025-05-12

126 Rho St
Belle Chasse, LA  70037

Beds: 4.0
Baths: 2.0
Sq Ft: 2,021
Lot: 12,532 sf
Single Family Map
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$45,000

Listed 2024-09-20

1426 Hermosa St Lot 18
New Orleans, LA  70114

Beds:
Baths:
Sq Ft:
Lot: 6,151 sf
Land Map
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$95,000

Listed 2025-04-03

213 Skyline Dr Lot 13
Bay Saint Louis, MS  39520

Beds:
Baths:
Sq Ft:
Land Map
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$180,000

Listed 2025-11-08

604 Macarthur Ave
Harvey, LA  70058

Beds: 2.0
Baths: 1.0
Sq Ft: 1,020
Single Family Map
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Current Property Rentals

As of 2/17/2026, Tammy Mercier has the following rental properties available in Gretna and surrounding areas.

$1,200

Listed 2026-01-19

33 Vivian Ct
New Orleans, LA  70131

Beds: 2.0
Baths: 1.0
Sq Ft: 700
Single Family Map
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$1,750

Listed 2026-01-08

2429 Ramsey Dr
Marrero, LA  70072

Beds: 3.0
Baths: 1.5
Sq Ft: 1,040
Lot: 5,227 sf
Single Family Map
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$1,500

Listed 2025-12-21

5160 Highland Dr
Marrero, LA  70072

Beds: 3.0
Baths: 2.0
Sq Ft: 1,697
Lot: 7,279 sf
Single Family Map
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$1,200

Listed 2025-12-11

422 Hamilton St
Gretna, LA  70053

Beds: 1.0
Baths: 1.0
Sq Ft: 710
Lot: 4,800 sf
Multi Family Map
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