7821 3RD AVENUE S St Petersburg, FL $ 3,600,000
7821 3RD AVENUE S
$ 3,600,000
Recently Listed New Construction
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7821 3RD AVENUE S

St Petersburg, FL, 33707
$ 3,600,000
Bedrooms4 Baths4.1 Sq 3,850

Monthly Estimate*

$ 22,166

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Single Family Home for sale in St Petersburg, FL

for $3,600,000 with 4 bedrooms and 4 full baths, 1 half bath. This 3,850 square foot home was built in 1958 on a lot size of 0.19.

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.

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Single Family Active

Price

$ 3,600,000

Bedrooms

4

Full Bath

4

Half Bath

1

Property Type

Single Family

Taxes

$ 13,393

Style

Contemporary Elevated

Lot Size

0.19

Year Built

1958

Town/City

St Petersburg

County/Region

Pinellas

MLS | Web ID

TB8476329

Features
General
Sewer Public Sewer
Heating Central
Cooling Central Air
Utilities Cable Available Electricity Connected Phone Available Sewer Connected Street Lights Water Connected
Roof Membrane
Appliances Bar Fridge Dishwasher Disposal Exhaust Fan Microwave Range Range Hood Refrigerator Tankless Water Heater Wine Refrigerator
Garage Spaces 3
Patio/Porch Features Covered Rear Porch
Architectural Style Contemporary Elevated
Pool Features Gunite In Ground Lighting Salt Water
Construction Materials Block Wood Frame (FSC Certified)
Pets Allowed Yes
Year Built 1958
View Water
Levels Two
Property Subtype Single Family Residence
Tax Year 2025
Ownership Fee Simple
Waterfront Features Bay/Harbor Intracoastal Waterway
County Pinellas
New Construction true
Property Type Residential
Attached Garage true
Subdivision Name SOUTH CSWY ISLE 3RD ADD
Facing Direction South
Garage Y/N true
Total Rooms 3
Full Baths 4
Status Active
Directions I-275 South to St. Petersburg Take Exit 22 (5th AVE North) to 66th St. Turn left South on 66th Street to Central Avenue. Turn Right West on Central Ave towards the beaches. Turn South (left) on 79th ST S. Turn left East on 3rd AVE S. End of street on left.
High School Boca Ciega High-PN
City ST PETERSBURG
Body of Water BAY HARBOR & INTRACOASTAL
Senior Community Y/N false
MLS Area 33707 - St Pete/South Pasadena/Gulfport/St Pete Bch
Lot Size Units Square Feet
Lot Size Square Feet 8459
Carport Y/N false
Spa Features Heated In Ground
Elementary School Azalea Elementary-PN
Land Lease Y/N false
Tax Annual Amount 13393
Middle/Junior High School Azalea Middle-PN
Property Condition Pre-Construction
Additional Parcels Y/N false
Lease Considered Y/N true
Virtual Tour https://www.propertypanorama.com/instaview/stellar/TB8476329
Building Area Units Square Feet
Living Area Units Square Feet
Builder Name Neo Homes
Standard Status Active
Occupancy Type Vacant
Tax Lot 12
Legal Description SOUTH CAUSEWAY ISLE 3RD ADD BLK 9 LOT 12
Minimum Lease 1 Month
Water Access Y/N false
Water View Y/N false
Flood Zone Code AE
DockY/N true
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Interior
Interior Amenities Ceiling Fan(s) Eating Space In Kitchen Elevator High Ceilings Kitchen/Family Room Combo Open Floorplan Solid Surface Counters Walk-In Closet(s)
Flooring Engineered Hardwood
Furnished Y/N Unfurnished
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N false
Half Baths 1
Laundry Features Inside Laundry Room
Total Bedrooms 4
Total Baths 5
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Exterior
Exterior Amenities Private Entrance Private Yard Rain Gutters
Lot Features Cul-De-Sac FloodZone City Lot Landscaped
Water Source Public
Lot Size Area 8459
Foundation Details Stem Wall
Spa true
Building Area Total 4000
Lot Size Acres 0.19
Road Surface Type Paved Asphalt
Private Pool true
Waterfront Y/N true
Covered Spaces 3
Road Frontage Type Street Paved
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* Excluded Features
List By
Coastal Properties Group

Broker

debbie@mcgintycoastalteam.com

Email

Affordability Calculator

$23,282
Per Month
95%
5%
0%
Monthly Principal & Interest
$22,166
Monthly Property Taxes
$1,116
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
0 Elementary School
0 Middle School
Boca Ciega High-PN High School High School
Pricing History
DatePricePrice ChangeDescription
2/17/2026$3,600,000 Listed Price

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7821 3RD AVENUE S, St Petersburg, FL, 33707 is a Single Family Home for sale at $3,600,000 with 3,850 sqft and a lot size of 0.19. 7821 3RD AVENUE S has 4 bedrooms, 4.1 baths, and was built in 1958. The property's zip code is 33707 which is in St Petersburg, FL