FP3 Lofts

346–354 Congress St, Boston, MA 02210

FP3 Lofts is an 8-story condominium building at 346–354 Congress St in Seaport, Boston, MA 02210, with 88 condos, built in 1899.

At a glance

• 88 condos (the City of Boston assessor)
• Built in 1899
• 8 floors
• Units from 584 to 4,630 sq ft (median 858)
• Bedrooms: 9 studio, 40 1-bedroom, 34 2-bedroom, 4 3-bedroom, 1 4+ bedroom
• Units assessed $293,800–$5,586,200, median $870,050 (FY2026)

Homes for sale in FP3 Lofts

• 346 Congress Street #608 — $829,000 · 1 bd, 1 ba, 809 sq ft
• 346 Congress St. #PH 701 — $2,700,000 · 2 bd, 2 ba, 1,438 sq ft
• 346 Congress St #PH1 — $3,100,000 · 2 bd, 2.5 ba, 1,942 sq ft

Homes for rent in FP3 Lofts

• 346 Congress #209 — $5,250/mo · 2 bd, 2 ba, 1,033 sq ft

Getting around

Walkability: 100 out of 100, from how close everyday places are.

Closest train and subway stops:

• South Station (MBTA · Amtrak Red Line Fairmount Line Fall River/New Bedford Line), 0.4 mi

Closest bus stops:

• Summer St @ Melcher St (MBTA 4 7), 0.1 mi
• Courthouse (MBTA SL1 SL2 SL3), 0.1 mi
• Surface Rd @ Hanover St (MBTA 92 93 111), 0.9 mi

Public schools nearby

• Condon K-8 School (elementary, grades PK–8), 0.9 mi
• Boston Adult Tech Academy (high, grades 11–12), 1.0 mi

The district decides which school serves an address. Distances are straight-line.

Questions about FP3 Lofts

How many units are in FP3 Lofts?

FP3 Lofts has 88 condos, according to the City of Boston assessor.

When was FP3 Lofts built?

FP3 Lofts was built in 1899 and has 8 floors.

Are there homes for sale or rent in FP3 Lofts right now?

Yes: 3 for sale from $829,000 and 1 for rent from $5,250 a month, listed on this page. Benjamin Realty can show any of them.

What are condos in FP3 Lofts worth?

Units are assessed from $293,800 to $5,586,200 (median $870,050) for fiscal year 2026. Assessed values are set for taxes and can differ from market value.

How big are the units in FP3 Lofts?

Units run from 584 to 4,630 square feet, with a median of 858.

What is the closest T or train station to FP3 Lofts?

South Station (MBTA · Amtrak Red Line Fairmount Line) is 0.4 miles away, in a straight line.

Buildings near FP3 Lofts

• Dockside Place Condominiums — 15–33 Sleeper St, 88 condos · built 1911 · 3 listed now, 0.1 mi
• Twenty Two Liberty — 22 Liberty Dr, 108 condos · built 2015 · 14 floors · 7 listed now, 0.3 mi
• One Greenway Fka Parcel 24 Aff Rental — Kneeland And Hudson Streets, 95 apartments, 0.4 mi
• Lincoln Building — 66–86 Lincoln St, 84 condos · built 1899 · 4 listed now, 0.5 mi
• Harbor Towers — 85 E India Row, 311 condos · built 1972 · 40 floors · 14 listed now, 0.5 mi
• Park Lane Seaport II — 1 Park La, 112 condos · built 2006 · 13 floors · 33 listed now, 0.6 mi
• One Greenway — 99 Kneeland St, 217 condos · built 2013 · 21 floors · 2 listed now, 0.6 mi
• Custom House Tower — 3 Mckinley Sq, 85 condos · built 1999 · 32 floors, 0.6 mi

More: all 300 large buildings in Boston · Boston homes for sale and rent · Seaport neighborhood guide

Sources

• MassGIS Standardized Assessors’ Parcels (municipal assessors)
• City of Boston FY2026 Property Assessment
• OpenStreetMap contributors (ODbL)

Assessed values and sales are public records from municipal assessors. An assessed value is set for taxation and may differ from market value. Listing information from MLS Property Information Network (MLS PIN), deemed reliable but not guaranteed. Data checked 2026-11-02.

To ask about homes in FP3 Lofts or book a showing, call Benjamin Realty at (617) 734-5050 or email [email protected].