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633 River St 3RBoston, MA 02126

For Sale

$359,900

Smart Buyer Rebate - Ask

WHY KEEP RENTING WHEN HOMEOWNERSHIP MAY BE WITHIN REACH? Offered at $359,900, this 3-bedroom, 1-bath condominium at 633 River Street, Unit 3R, Mattapan, MA 02126 presents an opportunity to own real estate in Boston and begin building equity through homeownership.With approximately 746 sq. ft. of living space, this third-floor condo offers a practical three-bedroom layout, hardwood flooring, an exclusive-use rear and front deck, and designated storage. The home provides a comfortable foundation to enjoy while offering opportunities to personalize and enhance it over time.For those currently navigating the cost of renting a three-bedroom home in Boston, this property is worth exploring. Instead of continuing to direct monthly housing payments toward rent, consider whether homeownership could fit your financial goals and provide an opportunity to build an ownership interest in real estate. Mortgage payments, qualification requirements, taxes, insurance, condominium fees, closing costs, and other expenses vary; prospective buyers should consult qualified mortgage and financial professionals regarding their individual circumstances.Investors are welcome to explore the possibilities as well. With three bedrooms and a Boston location, Unit 3R may also merit consideration as part of a real estate investment strategy. Prospective investors should independently evaluate condominium rules, rental requirements or restrictions, market rents, expenses, financing, and projected returns as part of their due diligence.Whether you're exploring homeownership, making your next move, or considering a Boston condominium for investment purposes, Unit 3R deserves a closer look.

Listed by Bernadin Simeus

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Simeus Realty Group LLC

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6172766102

Last updated October 09, 2026

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Source: MLSPin #73586899

Listing Facts

  • TypeCondo
  • NeighborhoodSouthern Mattapan
  • Bedrooms3
  • Bathrooms1
  • Days on Prevu25
  • HOA/Maint. Fees$235.25/month
  • Taxes$3,336/year
  • Size746 sqft
  • Price per sqft$482

Location

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Listing History

10/06/2026
Listed by Simeus Realty Group LLC
$359,900
  1. 10/06/2026$359,900
    Listed by Simeus Realty Group LLC

Property Details for 633 River St 3R

Association

Fees

  • Association Fee: $235.25 Monthly
  • Association Fee Includes: Water, Sewer, Insurance, Maintenance Structure

Exterior

Construction

  • Number Of Units Total: 6
  • Stories: 1
  • Stories Total: 1
  • Year Built: 1930
  • Year Built Details: Actual
  • Building Name: 633 River Street Condo Trust
  • Entry Level: 3

Measurements

  • Building Area Total: 746
  • Building Area Units: Square Feet
  • Lot Size Units: Acres

Financial

Taxes

  • Parcel Number: 4627229
  • Tax Annual Amount: $3,336.00
  • Tax Assessed Value: $269,000.00
  • Tax Year: 2026

Interior

Measurements

  • Living Area: 746
  • Living Area Source: Public Records

Rooms

  • Bathrooms Full: 1
  • Bathrooms Total Integer: 1
  • Bedrooms Total: 3
  • Rooms Total: 5

Other

General

  • Exclusions: All Seller-Owned Personal Property Is Excluded From The Sale Unless Otherwise Agreed To In Writing.

Location

  • Tax Block: P:0163
  • Tax Lot: S:010

Utilities

Equipment

  • Heating: Steam
  • Has Heating: Yes
  • Sewer: Public Sewer
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this condo have?

There are 3 bedrooms and 1 bathroom in this condo at 633 River St 3R.

What are the annual taxes for 633 River St 3R?

Annual taxes for this condo are estimated at $3,336.

How does 633 River St 3R compare to other condos in Southern Mattapan?

This condo is listed 23% below the average price for condos in Southern Mattapan and has been on the market for 74 less days than the typical home in this area.

What building or home owners association is the condo part of?

This condo is in the 633 River Street Condo Trust building.

What is the square footage on this condo?

According to the MLS, this listing is 746 sqft.

633 River St 3R is a 3-bedroom, 1-bath condo for sale in Boston MA 02126. Available on Prevu for 25 days at $359,900. This property features 746 square feet of living space, located in Southern Mattapan. The median listing price for condos in this area is $472,000. View other condo listings in Boston.

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors, landlords and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information, and the Images, are for the personal, non commercial use of consumers having a good faith interest in purchasing, leasing or renting listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing, leasing or renting. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.