Property
ActiveResidential
1/60
$1,250,000

3516 21ST AVENUE

St Petersburg, FL 33711
4
Beds
3
Baths
3,345
SqFt
0.31
Acres
STELLAR
#TB8516916
Updated: Jun 27, 2026, 4:38pm

Property Description

NEW 2026 BUILD! Welcome home to this luxury estate featuring 4 bedrooms plus an office, 2.5 baths, and a detached 2-bedroom, 1-bath guest house, all situated on an expansive third-of-an-acre lot designed to provide privacy between both residences. Built by McDew Development, this unique property offers luxury living, exceptional flexibility, and income-producing potential in one of St. Petersburg’s fastest-growing areas. The striking modern exterior showcases custom white stucco, dark architectural accents, and black impact-rated windows and doors. A welcoming front porch leads to an open-concept interior featuring soaring ceilings, luxury vinyl plank flooring, wide baseboards, recessed lighting, and designer finishes throughout. Expansive sliders open to a private, fully fenced backyard with ample room for a resort-style pool. At the heart of the home, the chef’s kitchen features a waterfall island, floor-to-ceiling two-tone wood cabinetry, quartz countertops, built-in cooktop, wall oven, wall microwave, counter-depth refrigerator, and a spacious walk-in pantry with additional storage and prep space. The first-floor primary suite offers custom walk-in closets and a spa-inspired bath with a soaking tub, oversized shower, floating double vanity, and private water closet. A dedicated office completes the main level. Upstairs, three additional bedrooms surround a spacious loft-style great room with a wet bar, ideal for entertaining or relaxing. Adding tremendous value is the detached 800 SF ADU, complete with 2 bedrooms, 1 bath, a full kitchen, living area, laundry, and private balcony. Whether used for rental income, multigenerational living, or extended guests, this fully self-contained residence provides versatility rarely found in new construction. The property is completed by an oversized 3-car garage with alley access and is conveniently located minutes from Downtown St. Petersburg, the St. Pete Pier, Gulfport, Tropicana Field, and I-275. Situated outside a flood zone and custom built in 2026, this is a rare opportunity to own a private modern luxury retreat with both lifestyle and investment appeal.
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Included Appliances
Bar FridgeBuilt-In OvenCooktopDishwasherDisposalExhaust FanMicrowaveRange HoodRefrigeratorTankless Water HeaterWine Refrigerator

Property Details

Highlights
View
Yes
Interior
Additional Rooms
Den/Library/OfficeGreat RoomInside UtilityInterior In-Law Suite w/Private Entry
Appliances
Bar FridgeBuilt-In OvenCooktopDishwasherDisposalExhaust FanMicrowaveRange HoodRefrigeratorTankless Water HeaterWine Refrigerator
Bathrooms Total Decimal
2.5
Building Area Total
3730
Cooling
Central Air
Flooring
Luxury VinylTile
Furnished
Unfurnished
Heating
CentralElectric
Interior Features
Built-in FeaturesCeiling Fan(s)Eating Space In KitchenHigh CeilingsKitchen/Family Room ComboLiving Room/Dining Room ComboOpen FloorplanPrimary Bedroom Main FloorSolid Surface CountersSolid Wood CabinetsThermostatWalk-In Closet(s)Wet Bar
Laundry Features
Electric Dryer HookupLaundry RoomWasher Hookup
Living Area
3345
Other Equipment
Irrigation Equipment
Rooms Total
14
Security Features
Security Gate
Window Features
ENERGY STAR Qualified WindowsInsulated WindowsStorm Window(s)
Construction
Architectural Style
ContemporaryCustom
Builder Name
McDew Development
Building Area Source
Builder
Building Area Units
Square Feet
Construction Materials
BlockHardiPlank TypeStucco
Direction Faces
North
Foundation Details
Slab
Levels
Two
Living Area Source
Builder
Living Area Units
Square Feet
New Construction
Yes
Property Condition
Completed
Roof
Shingle
Year Built
2026
Site & Exterior
Carport Spaces
6
Covered Spaces
9
Exterior Features
BalconyCourtyardIrrigation SystemLightingPrivate EntrancePrivate MailboxPrivate YardSliding Doors
Fencing
MasonryVinyl
Flood Zone Code
x
Garage Spaces
3
I D X Participation
Yes
Lot Features
ClearedCity LotLandscapedLevelOversized LotPrivateSidewalk
Lot Size Acres
0.31
Lot Size Area
13321
Lot Size Dimensions
71 x 187
Lot Size Square Feet
13321
Lot Size Units
Square Feet
Open Parking
Yes
Other Structures
Additional Single Family HomeGuest House
Parking Features
Alley AccessAssignedDrivewayGarage Door OpenerGarage Faces RearGround LevelGuestOversizedRV Parking
Public Survey Range
16
Public Survey Section
27
Road Frontage Type
Street Paved
Road Surface Type
PavedAsphalt
Sewer
Public Sewer
Total Acreage
1/4 to less than 1/2
Utilities
BB/HS Internet AvailableCable AvailableElectricity ConnectedPublicSewer ConnectedWater Connected
View
City
Water Source
Public
Financials
Calculated List Price By Calculated Sq Ft
373.69
Contract Status Change Date
2026-06-19
Current Price
1250000
Feed Types
BBO
Home Warranty
Yes
Lease Considered
Yes
Minimum Lease
3 Months
Owner Name
MCDEW DEVELOPMENT LLC
Ownership
Fee Simple
Parcel Number
273116154080060030
Public Survey Township
31
Tax Annual Amount
1958.62
Tax Block
6
Tax Book Number
H2-93
Tax Legal Description
CHILDS PARK BLK 6, LOT 3
Tax Lot
3
Tax Year
2025

Neighborhood & Lifestyle

Community & Association
Additional Lease Restrictions
Check with city of St Pete.
Lease Restrictions
Yes
M L S Area Major
33711 - St Pete/Gulfport
Subdivision Name
CHILDS PARK
Listing provided courtesy of STELLAR via IDX. Updated: Jun 27, 2026, 4:38pm.
Peter Bonanno

Listing Agent

EXP REALTY LLC

Call Agent