Listing provided courtesy of Coldwell Banker RealtyKevin Kearney- MLS# 426125224MLS Provider

403 Main Street ##506NSan Francisco, CA 94105

Condo/Townhouse · 1 Bed · 1 Full Bath · 910 Sq. ft. | 0.67 Acres
$910,000 Active

403 Main Street ##506N Overview

Time on Site:
66 days
Visits:
0

Dive into coastal elegance at The Portside, an architectural award winning maritime-inspired residence nestled in the vibrant heart of South Beach. This expansive 1+ bedroom condominium flows like the tide, with an open-concept design bathed in natural light and framed by tranquil water, bridge and city vistas. The beautifully remodeled kitchen, adorned with stainless steel appliances, rich cedar cabinetry, and sleek granite countertops spills effortlessly into a generous living space, perfect for entertaining or unwinding after a day by the bay. Dramatic, curving windows in the main living area capture sweeping, ever-changing views like a living seascape. Thoughtfully updated throughout, the home features custom built-ins, designer lighting, custom closet, warm hardwood floors, plush Berber carpet, and the convenience of an in-unit washer and dryer. A versatile bonus den offers the ideal retreat for a home office or a welcoming harbor for overnight guests. The Portside itself is a sleek streamline modern vessel, complete with 24-hour security, attended lobby, secure mail room, manicured grounds, earthquake insurance and a resort-style heated pool and spa overlooking the Bay along with 3 gyms. Bask on the sun deck, recharge in one of the three fitness centers, and enjoy the ease of storage and assigned leased parking. Perfectly positioned amid South Beach's most sought-after destinations, you're moments from the Embarcadero's scenic waterfront, South Beach Marina, Market Street, and the Ferry Building's vibrant marketplace and farmer's market. Catch the excitement of game day at nearby stadiums, or take advantage of close proximity to UCSF and the Financial District's dynamic tech corridor. With seamless access to freeways, MUNI, BART, and Caltrain, the entire Bay Area is within easy reachmaking this home a true harbor in the city, where urban energy and waterfront tranquility meet.

Love this property?
Create a profile so you can receive updates on this property as soon as they happen!
View Map

403 Main Street ##506N Facts & Features

  • Type Condo/Townhouse
  • Sq. ft. 910
  • Price/Sq.ft. $1,000
  • Lot 0.67 Acres

Details

General

Association/HOA

  • Association Amenities: Spa/Hot Tub,Pool,Gym,Fitness Center
  • Association Fee: 972
  • Association Fee Frequency: Monthly
  • Association Fee Includes: Water,Trash,Security,Maintenance Structure,Earthquake Insurance
  • Association Name: Portside
  • Association: true

Building Information

  • Year Built: 1997

Location/Region

  • County Or Parish: San Francisco
  • MLS Area Major: SF District 9

Community/Development

  • Number Of Units In Community: 158

Rent/Lease Information

  • Land Lease: false

General Information

  • Parcel Number: 3768222
  • Property Sub Type: Condominium
  • Property Type: Residential
  • Senior Community: false
  • Special Listing Conditions: Standard

Interior

Parking Information

  • Garage Spaces: 0

Beds/Baths

  • Bathrooms Full: 1
  • Bathrooms Partial: 0
  • Bathrooms Total: 1
  • Bedrooms Total: 1

General Information

  • Fireplaces Total: 0
  • Flooring: Wood,Carpet
  • Laundry Features: Washer/Dryer Stacked Included,Laundry Closet
  • Living Area: 910
  • Living Area Source: Assessor Auto-Fill
  • Rooms Total: 0
  • Spa Features: Spa/Hot Tub Built-In
  • Spa: true
  • Stories: 0

Unit Information

  • Unit Number: #506N

Exterior

Parking Information

  • Open Parking Spaces: 0
  • Parking Features: Side-by-Side,Garage Door Opener,Covered,Assigned
  • Parking Total: 1

Lot Information

  • Lot Size Acres: 0.6666
  • Lot Size Source: Assessor Auto-Fill
  • Lot Size Square Feet: 29037
  • Lot Size Units: SqFt

Waterfront/View

  • View: San Francisco,City Lights,City,Bay Bridge,Bay

General Information

  • Carport Spaces: 0
  • Pool Private: true

403 Main Street ##506N Neighborhood

Community

94105 (San Francisco) Demographics

33
Median Age
28,759
Population Density (per sq. mile)
87%
College Educated
$250,001
Estimated Median Income
3,135
Estimated Total Home Owners
3,387
Estimated Total Renters
48% / 52%
Estimated Owner / Renter Divide
2
Estimated Average Household Size
Community data courtesy of LiveBy, Inc.

Schools

School data courtesy of LiveBy, Inc. School ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating.

403 Main Street ##506N Monthly Cost

$
$ %
%
$
$
* All calculations are estimates and provided by Reliance Network, for informational purposes only. Actual amounts may vary. ** Assumes 6.50% APR, 20% down payment, and conventional 30-year fixed rate first mortgage. Rates cited are for instructional purposes only; current rates are subject to change at any time without notice. You should not make any decisions based simply on the information provided. Additional required amounts such as taxes, insurance, homeowner association dues, assessments, mortgage insurance premiums, flood insurance or other such required payments should also be considered. Contact your mortgage company for current rates and additional information. Any mortgage broker or insurance agent that may appear is independent and is not affiliated with, endorsed by, or provided by the MLS.

403 Main Street ##506N Market Data

Based on the last 30 days in this zip code

$2,030,153
Average List Price
$1,605
Average Price per Square Foot
20
Properties Sold
93
Average Days on Market
115
Properties for Sale
Calculations provided by Reliance Network

403 Main Street ##506N History

Date Event Value Agent
6/15/2026Source: BAREIS Added to Database
April 25, 2026