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St Tammany County, LA Office Buildings for Sale

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New Orleans, LA Baton Rouge, LA Lafayette, LA Shreveport, LA Lake Charles, LA Houma, LA Monroe, LA Slidell, LA
48 properties
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Medical Office Building with Parking
Updated: Aug 8
Medical Office Building with Parking

2240 E GAUSE Boulevard, Slidell, LA 70461

$995,000
7,683 sqft 1.08 AC lot
7,683‑square‑foot medical office building constructed in 2020
1.077‑acre parcel with comm zoning
Fresh paint and some new flooring
One brand‑new complete interior and exterior HVAC unit
Newly striped, high‑capacity parking lot
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Single-Story Office Building
Updated: Aug 28
Single-Story Office Building

1009 CARNATION Street, Slidell, LA 70460

$299,000
3,922 sqft 0.40 AC lot
3,922‑square‑foot single‑story office building on 0.4 acres
Located at 1009 Carnation Street, just past Hwy 11 and one block off Gause Blvd
Each unit has separate metering and individual HVAC
Two recently renovated restrooms, updated common‑area flooring, and modern light fixtures
Roof is five years old
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Two-Story Office Building
Two-Story Office Building

20081 HIGHWAY 36, Covington, LA 70433

$670,000
6,000 sqft 0.32 AC lot

Occupied office property with NC-4 zoning, multiple workrooms, meeting areas, and a substantial upper-level open space.

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See what stands out in St. Tammany Parish

We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

We check every listing here. A few are worth a second look.

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Fully Leased Office Campus
Fully Leased Office Campus

200 S Tyler St, Covington, LA 70433

$1,425,000
9,000 sqft

Five-building professional office property with multiple suites, commercial zoning, and established occupancy.

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Office Building with Generator
Office Building with Generator

68031 CAPITAL TRACE Row, Mandeville, LA 70471

$1,995,000

Fully leased office property with landscaped grounds, covered parking, and a gas generator serving the entire building.

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Two-Story Tenant-Occupied Office Building
Two-Story Tenant-Occupied Office Building

20081 Highway 36, Covington, LA 70433

$670,000
6,000 sqft

Zoned NC-4 with offices, meeting rooms, and open workspace across both floors.

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Multi-Tenant Professional Office Building
Multi-Tenant Professional Office Building

2210 7th St, Mandeville, LA 70448

$799,000
4,850 sqft

Four-occupant configuration supports an owner-user or continued investment use near Mandeville’s main commercial area.

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Medical Office Building with Parking
Medical Office Building with Parking

2240 E Gause Boulevard, Slidell, LA 70461

$995,000
7,683 sqft

Fresh paint, some new flooring, and updated climate control support professional or medical office use.

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Two-Level Office Property with Multiple Suites
Two-Level Office Property with Multiple Suites

2301 N Hwy 190, Covington, LA 70433

$1,600,000
15,000 sqft

HC-2 zoning accommodates office and commercial uses with flexible suite configurations.

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Two-Story Office Building
Two-Story Office Building

220 Gause Boulevard, Slidell, LA 70458

$975,000
9,000 sqft

Flexible professional office layout with multiple entrances, elevator access, parking, and a prominent roadside sign.

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Office Building with Backup Generator
Office Building with Backup Generator

68031 Capital Trace Row, Mandeville, LA 70471

$1,995,000
9,977 sqft

Fully leased office property with whole-building emergency power and a concrete parking area with covered spaces.

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Renovated Office Building with Covered Parking
Renovated Office Building with Covered Parking

71677 Riverside Dr, Covington, LA 70433

$1,799,000
7,200 sqft 0.48 AC lot

HC-2-zoned property includes an adjacent land parcel and a fully updated interior.

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Renovated Executive Office Building
Renovated Executive Office Building

506 Water St, Madisonville, LA 70447

$1,543,000
5,000 sqft

Updated office property with executive suites and frontage along the Tchefuncte River.

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Office Building with Generator
Office Building with Generator

1358 Corporate Square Dr, Slidell, LA 70458

$350,000
3,712 sqft

Network-wired office property with conference rooms, kitchen, and controlled access.

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Office Building with 10 Private Offices
Office Building with 10 Private Offices

103 Galeria Boulevard, Slidell, LA 70458

$289,900
3,274 sqft

Reception, lobby, break rooms, and multiple restrooms support a flexible workplace layout.

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Two-Story Medical Office Space
Two-Story Medical Office Space

107 Galeria Boulevard, Slidell, LA 70458

$125,000
2,700 sqft

Existing plumbing and a downstairs clinical layout support medical-office reuse.

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Two-Story Office Building
Two-Story Office Building

137 TerraBella Blvd, Covington, LA 70433

$589,000
2,592 sqft

Flexible office layout with multiple private rooms, shared meeting space, kitchenettes, and an option for separate suites.

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Renovated Office Building
Renovated Office Building

1322 Corporate Square Dr, Slidell, LA 70458

$219,000
1,800 sqft

Flexible professional layout with private offices, conference space, reception, and updated kitchen and bathroom areas.

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Well-Maintained Office Building For Sale
Well-Maintained Office Building For Sale

1009 Carnation St, Slidell, LA 70460

$299,000
3,922 sqft

Professional office building with built-in income, ideal for owner-occupant.

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Office Building with Covered Parking
Office Building with Covered Parking

19368 Highway 36, Covington, LA 70433

$489,000
2,360 sqft

HC-1 zoning, porch access, central air and heat, and a layout supporting current office operations.

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Class-A Office Condominium Complex
Class-A Office Condominium Complex

400-2-2315 Florida St, Mandeville, LA 70448

$943,400
15,810 sqft

Modern Class-A office condominium complex with dedicated parking and build-to-suit flexibility for individual unit layouts.

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Build-to-Suit Office Complex
Build-to-Suit Office Complex

400-1-2315 Florida St, Mandeville, LA 70448

$572,400
15,810 sqft

New office space offers divisible configurations and buyer-directed construction.

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Multi-Tenant Office Building
Multi-Tenant Office Building

2200 N Hwy 190, Covington, LA 70433

Contact for pricing
8,000 sqft

Office property with multiple suites, existing tenants, and HIGHWAY COMMERCIAL zoning along N Hwy 190.

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Ashland Oaks Office/Warehouse Building
Ashland Oaks Office/Warehouse Building

300 Ashland Way, Madisonville, LA 70447

Contact for pricing
21,995 sqft 3.62 AC lot

Class A office and warehouse in Ashland Oaks Corporate Park.

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St Tammany County, LA Office Buildings Market Trends and Statistics

Explore 48 office buildings for sale in St Tammany County, LA, showcased through 48 active listings on our real estate platform. These investment opportunities span a total of 530,897 square feet of properties for sale, with an estimated market value of $47,475,700.

Sale prices for office properties in St Tammany County, LA start at $125,000, averaging $1,637,093, and reaching up to $12,500,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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