Condominium at 600 3RD AVE S #406, ST PETERSBURG
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$975,000

600 3RD AVE S #406
ST PETERSBURG, FL 33701
Listed by Stephanie Pia · KELLER WILLIAMS ST PETE REALTY
Bedrooms
3
Bathrooms
3
Living area
1,650 sqft
Year built
2025

About this home

Never lived in and offered directly from the developer, Residence 406 is a fourth-floor corner residence within Castille Urbana, offering a fresh opportunity to own in one of downtown St. Petersburg’s newer boutique condominium buildings. An Exclusive Developer Incentive, offered directly by the developer, provides meaningful value toward the purchase and creates a compelling alternative to the current resale inventory. Positioned on the southeast corner, the residence benefits from eastern light and a private balcony that extends the living space outdoors. Expansive impact-rated windows and 9-foot ceilings create a bright, open feel, complemented by engineered hardwood flooring, 8-foot interior doors and generous walk-in closets. The kitchen is finished with Bosch stainless steel appliances, quartz countertops, solid wood soft-close cabinetry, under-cabinet lighting and designer glass pendants over the island. A full-size washer and dryer, abundant storage and low-maintenance Trex balcony flooring add to the ease of everyday living. Castille Urbana is home to just 40 residences and offers assigned parking within a gated garage, controlled lobby access, a resident lounge, fitness area, bike storage, dog run, and outdoor gathering space. Its boutique scale also allows for comparatively low monthly association fees for newer downtown condominium living. Located in Flood Zone X and close to Central Avenue, restaurants, cafés, museums, waterfront parks and the St. Pete Pier, the location makes it easy to enjoy downtown while coming home to a quieter residential setting. Contact the listing agent for details on the Exclusive Developer Incentive and to schedule your personal tour.

Property details

MLS #
MFRTB8546688
Property type
Condominium
Subdivision
CASTILLE URBANA CONDO
Status
Active
Days on market
14
On market date
September 11, 2026
Stories
N/A
Total bathrooms
3
Garage spaces
1
Parking spaces
N/A
Lot size
0.04 acres
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Nearby schools

Within 10 miles. School directory data from the National Center for Education Statistics (NCES), accessed via the Urban Institute Education Data API. Local Score is calculated by INNOVATE Real Estate; where a state rating is shown, it comes from that state's own official school report card (e.g. NC Dept. of Public Instruction, SC Report Card).

Elementary
CAMPBELL PARK ELEMENTARY SCHOOL
0.57 mi away · Grades -1-5
Nearest school -- attendance-zone data not available here
4.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
466
Student:teacher ratio
12.3:1
District
PINELLAS
Middle
JOHN HOPKINS MIDDLE SCHOOL
0.95 mi away · Grades 6-8
Nearest school -- attendance-zone data not available here
3.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
681
Student:teacher ratio
17.0:1
District
PINELLAS
HighCharter
PINELLAS MYCROSCHOOL OF INTEGRATED ACADEMICS AND TECHNOLOGIE
0.23 mi away · Grades 9-12
Nearest school -- attendance-zone data not available here
1.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
140
Student:teacher ratio
35.0:1
District
PINELLAS

Walkability

Blended score for ST PETERSBURG's center, calculated by INNOVATE Real Estate from two sources: the EPA's National Walkability Index (street network, transit, land-use mix) and Google Places amenity data (what's actually reachable on foot from this point). 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).

87
Highly walkable
out of 100
EPA National Walkability Index
15.5 / 20 -- Most walkable
Google Places amenity density
100 / 100
Restaurants & cafes20
Grocery stores14
Parks20
Schools20
Transit stops20
Pharmacies14

Market position

How this listing compares to current activity in ST PETERSBURG, from live MLS data.

On the market 14 days -- 83 fewer days than ST PETERSBURG's current average of 97 days.
For reference, the median list price across 3,848 active listings in ST PETERSBURG right now is $334,950.

Mortgage calculator

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Est. monthly payment
$6,022/mo
$195,000 down
$780,000 loan
Principal & interest$5,059
Property tax (est.)$813
Home insurance (est.)$150

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Data source: Listing information provided by Stellar MLS (mfrmls) via Trestle/CoreLogic. Last updated 14 days ago.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.