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7821 3rd Ave, St Petersburg, FL 33707
7821 3rd Ave, St Petersburg, FL 33707 3D Tour
7821 3rd Ave, St Petersburg, FL 33707 Explore 3D Tour
7821 3rd Ave, St Petersburg, FL 33707
7821 3rd Ave, St Petersburg, FL 33707
7821 3rd Ave, St Petersburg, FL 33707
7821 3rd Ave, St Petersburg, FL 33707

7821 3rd Ave St Petersburg, FL 33707

$3,600,000

ACTIVE
Beds
4
Baths
5
Sqft
3,850
Acres
0.19
Year
1958
Days on Site
8
Property Type
Residential
Sub Type
Single Family
Per Square Foot
$935
Date Listed
Feb 17, 2026

Description of 7821 3rd Ave, St Petersburg, FL 33707

Listing details for 7821 3rd Ave, St Petersburg, FL 33707 : Pre-Construction. To be built. Pre-Construction - To Be Built - Waterfront Opportunity in Causeway Isles- An exceptional opportunity awaits in coveted Causeway Isles. Perfectly positioned between vibrant St. Petersburg and the sugar-sand beaches of Treasure Island, this prime open-water lot is ready for your custom dream home. Enjoy a sought-after northeast exposure overlooking scenic Sunset Park and a tranquil, protected bay with 103 feet of waterfront frontage. The brand-new seawall (May 2025) provides peace of mind and a strong foundation for what’s to come. This expansive homesite can easily accommodate a luxury residence of approximately 3,850 square feet, complete with a private pool, outdoor kitchen, and covered flex space designed for effortless indoor-outdoor living. The featured concept showcases a four-bedroom, 4.5-bath custom home thoughtfully designed to maximize water views and natural light. Blending clean modern architecture with curated touches of color, texture, and glass, the design captures the essence of refined waterfront living. The result is a home that feels both elevated and inviting—ideal for everything from relaxed weekend brunches to elegant evenings under the stars. Crafted by Neo Homes, the build will include premium finishes, designer selections, hurricane-rated construction, and a true white-glove experience from start to finish. If you’re considering building your waterfront dream home, we would love to connect and are always available for a friendly conversation. As neighborhood residents, we’re passionate about sharing what makes this boating community so special. This is a rare opportunity to create a legacy waterfront estate in one of St. Petersburg’s most desirable enclaves—where luxury, location, and lifestyle meet. Please visit NeoHome.net for additional information on the builder Neo Homes. Note: Photos are from a recently completed home by the builder and are representative of the quality, architectural style, and level of finishes available for this homesite.
Listing Updated : 02-18-2026 at 12:17 PM EST
Home Details
7821 3rd Ave, St Petersburg, FL 33707
Status
Active
MLS #ID
MFRTB8476329
Price
$3,600,000
Bedrooms
4
Bathrooms
5
Square Footage
3,850
Acres
0.19
Year
1958
Days on Site
8
Property Type
Residential
Property Sub Type
Single-Family
Price per Sq Ft
$935
Date Listed
Feb 17, 2026
Community Information for 7821 3rd Ave, St Petersburg, FL 33707
Address
7821 3rd Ave
State
Florida
Zip Code 33707
Utilities
Sewer
Public Sewer
Water Source
Public
Interior
Interior Features
Ceiling Fans(s), Eat-in Kitchen, Elevator, High Ceilings, Kitchen/Family Room Combo, Open Floorplan, Solid Surface Counters and Walk-In Closet(s)
Appliances
Bar Fridge, Dishwasher, Disposal, Exhaust Fan, Microwave, Range, Range Hood, Refrigerator, Tankless Water Heater and Wine Refrigerator
Heating
Central
Cooling
Central Air
Fireplace
No
Exterior
Exterior
Private Entrance, Private Yard and Rain Gutters
Roof
Membrane
Garage Spaces
3
Foundation
Stem Wall
HOA
Has HOA
None
Additional Information
Styles
Contemporary and Elevated
Price per Sq Ft
$935
Builder Name
Neo Homes
Listing Provided By

Debbie McGinty, LLC, 727-493-1555, COASTAL PROPERTIES GROUP

Source

Stellar MLS, MLS#: MFRTB8476329

Comments
Home Worth Check

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Location of 7821 3rd Ave, St Petersburg, FL 33707

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This beautiful 4 beds 5 baths home is located at 7821 3rd Ave, St Petersburg, FL 33707 and is listed for sale at $3,600,000.00. This home was built in 1958, contains 3850 square feet of living space, and sits on a 0.19 acre lot. This residential home is priced at $935.06 per square foot.

If you'd like to request a tour or more information on 7821 3rd Ave, St Petersburg, FL 33707, please call us at (727) 533-5815 so that we can assist you in your real estate search. To find homes like 7821 3rd Ave, St Petersburg, FL 33707, you can search homes for sale in St Petersburg , or visit the neighborhood of South Cswy Isle 3rd Add , or by 33707 . We are here to help when you're ready to contact us!

Schools Near 7821 3rd Ave, St Petersburg, FL 33707

Walking & Transportation

Walk score
13
Car-Dependent
Transit score
27
Some Transit
Bike score
42
Somewhat Bikeable
Home Details
7821 3rd Ave, St Petersburg, FL 33707
Status
Active
MLS #ID
MFRTB8476329
Price
$3,600,000
Bedrooms
4
Bathrooms
5
Square Footage
3,850
Acres
0.19
Year
1958
Days on Site
8
Property Type
Residential
Property Sub Type
Single-Family
Price per Sq Ft
$935
Date Listed
Feb 17, 2026
Community Information for 7821 3rd Ave, St Petersburg, FL 33707
Address
7821 3rd Ave
State
Florida
Zip Code 33707
Utilities
Sewer
Public Sewer
Water Source
Public
Interior
Interior Features
Ceiling Fans(s), Eat-in Kitchen, Elevator, High Ceilings, Kitchen/Family Room Combo, Open Floorplan and Solid Surface Counters
Appliances
Bar Fridge, Dishwasher, Disposal, Exhaust Fan, Microwave, Range, Range Hood, Refrigerator and Tankless Water Heater
Heating
Central
Cooling
Central Air
Fireplace
No
Exterior
Exterior
Private Entrance and Private Yard
Roof
Membrane
Garage Spaces
3
Foundation
Stem Wall
HOA
Has HOA
None
Additional Information
Styles
Contemporary and Elevated
Price per Sq Ft
$935
Builder Name
Neo Homes
Listing Provided By

Debbie McGinty, LLC, 727-493-1555, COASTAL PROPERTIES GROUP

Source

Stellar MLS, MLS#: MFRTB8476329

Comments

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Listing information is provided for consumer personal, non-commercial use, solely to identify potential properties for potential purchase; all other use is strictly prohibited and may violate relevant federal and state law.

Listing data comes from My Florida Regional MLS DBA Stellar MLS.