633 River St # 3R, Boston MA 02126

Boston, MA 02126 • Mattapan
$359,900
Est. $2,533/month
Estimate assumptions

20% down, a 30-year loan at 6.5%, and $200/month estimated insurance.

Includes the supplied property-tax and HOA inputs; missing inputs contribute $0. HOA fees with an unspecified frequency are treated as monthly. PMI and closing costs are excluded.

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3
Beds
1
Baths
746
Sq Ft
$482
Price/Sq Ft
1930
Year Built
4 hours 40 minutes
Time on Market
For Sale Listed Oct 5, 2026 • MLS# 73586899 Copied! • Updated Oct 6, 2026

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About this home

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.

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Recently Sold Nearby

Property History

Property Timeline

🏠
Listed for Sale
Oct 6, 2026
$359,900
Original listing
Agent: Bernadin Simeus Office: Simeus Realty Group LLC

Tax History

Year Taxes Assessment
2026 $3,336 $269,000

Financial Details

Annual Property Tax
$3,336
Tax Year 2026
HOA Fee
$235
Monthly
Assessed Value
$269,000

Facts & Features

Home Facts

Type Residential
Style Condominium
Year Built 1930
Living Area 746 sq ft
Stories 1
Bedrooms 3
Full Baths 1
Total Rooms 5

Interior

Heating Steam
Cooling None
Flooring None
Appliances None
Fireplace None
Basement N
Laundry None
Features None

Exterior

Construction None
Architecture None
Roof None
Features None
Pool None
Spa None
Fencing None
Patio/Porch None
Features None
Electric None
Water Public
Sewer Public Sewer
Gas None
Other None
Annual Tax $3,336
Assessed Value $269,000

HOA & Community

HOA Fee $235 Monthly
Fee Includes Water, Sewer, Insurance, Maintenance Structure
Amenities None
Optional Fee Includes None
Down Payment Resource Eligible
Lead Paint Unknown
Seller Disclosures See Attachment.
Exclusions All Seller-Owned Personal Property Is Excluded From The Sale Unless Otherwise Agreed To In Writing.
Possession None
Accepted Financing None
Structure Type ["Low-Rise"]
Unit/Building 3R
Sq Ft Source Public Record
Documents None
County Suffolk
Total market time (incl. prior listings) 1 days

Property Overview

Property Type
Condominium
Listing Type
For Sale
Year Built
1930
Bedrooms
3
Full Bathrooms
1
Living Area
746 sq ft
Total Rooms
5
Stories
1
Entry Level
3

Floor Layout

Interior Features

Flooring:
Appliances:
Interior Features:
Windows:
Basement: N
Laundry:
Security:

Construction & Materials

Year Built: 1930
Effective Year (Renovated): 2006
Structure Type: Low-Rise
Exterior Materials:
Roof:
Foundation:
Stories: 1

Heating, Cooling & Utilities

Heating: Steam
Cooling: None
Hot Water:
Water Source: Public
Sewer: Public Sewer
Energy Features:

Exterior & Lot

Exterior Features:
Patio & Porch:
Fencing:
Other Structures:
Lot Features:
Road Surface:

Parking & Garage

Parking Features:
School District
Boston School District local
C-
🎓 Where Graduates Go Class of 2021
52% attend college
38% 4-Year 14% 2-Year 7% Out of State 7% Working
⚠ School Safety 2024-25
3.7% Above Average
3.2% Suspensions 0.3% In-School 0.5% Emergency
↓ 1.8% below state avg
E

Elementary Schools

10 schools
F
Chittick Elementary School
0.3 mi | #794 of 825 | Score: 29.1
Dropped 180 spots from last year
-29.1 below state avg
275 students Diverse
Grades PK-06
C
KIPP Academy Boston Charter School
0.7 mi | #272 of 352 | Score: 34.5
Improved 36 spots from last year
-23.7 below state avg
627 students Diverse
Rising School
Grades K-08
C-
Mattahunt Elementary School
0.8 mi | #709 of 825 | Score: 35.0
Dropped 17 spots from last year
-23.2 below state avg
580 students Moderate
Grades PK-06
D
Mildred Avenue K-8 School
0.8 mi | #331 of 352 | Score: 28.0
Dropped 9 spots from last year
-30.2 below state avg
557 students Diverse
Grades PK-08
F
Young Achievers Elementary School
1.2 mi | #348 of 352 | Score: 23.8
Dropped 6 spots from last year
-34.4 below state avg
422 students Diverse
Grades PK-08
F
Shaw Elementary School
1.3 mi | #789 of 825 | Score: 29.4
Improved 48 spots from last year
-28.8 below state avg
469 students Moderate
Rising School
Grades PK-06
Berea SDA Academy
1.3 mi
Grades PK-08
New Beginnings Academy
1.4 mi
Grades PK-12
Sacred Heart Elementary School
1.5 mi
Grades PK-08
C-
Haley Pilot School
1.5 mi | #745 of 825 | Score: 32.8
Dropped 92 spots from last year
-25.4 below state avg
352 students Diverse
Diverse Student Body
Grades PK-06
M

Middle Schools

10 schools
Epiphany School
2.6 mi
Grades 05-08
C
Ohrenberger School
2.6 mi | #266 of 352 | Score: 35.0
Improved 19 spots from last year
-23.2 below state avg
458 students Diverse
Diverse Student Body
Grades 03-08
Mother Caroline Academy
3.0 mi
Grades 05-08
Dearborn Middle School
3.1 mi
A
Uncommon Schools - Roxbury Preparatory Dorchester Campus Middle School
3.4 mi | #4 of 16 | Score: 42.5
Improved 187 spots from last year
-15.7 below state avg
1,225 students Diverse
Rising School College Ready Curriculum
Grades 05-08
Nativity Prep School
3.9 mi
Grades 05-08
F
Higginson/Lewis K-8 School
3.9 mi | #349 of 352 | Score: 23.2
Improved 3 spots from last year
-35 below state avg
246 students Diverse
Grades 03-08
Middle School Academy
5.3 mi
Irving Middle
1.8 mi
Frederick Pilot Middle
3.3 mi
H

High Schools

10 schools
A-
Boston Preparatory Charter Public School
0.6 mi | #8 of 25 | Score: 43.6
Improved 287 spots from last year
-14.6 below state avg
670 students Diverse
High Graduation Rate Rising School College Ready Curriculum
Grades 06-12
C+
New Mission High School
1.0 mi | #230 of 346 | Score: 49.5
Improved 98 spots from last year
-8.7 below state avg
739 students Diverse
13 sports • 458 athletes
Early College Program High Graduation Rate Rising School Diverse Student Body
Grades 07-12
B+
TechBoston Academy
1.8 mi | #10 of 25 | Score: 34.9
Improved 350 spots from last year
-23.3 below state avg
869 students Diverse
Rising School
Grades 07-12
D
English High School
2.9 mi | #328 of 346 | Score: 28.9
Improved 30 spots from last year
-29.3 below state avg
653 students Diverse
8 sports • 332 athletes
Rising School Career Tech Programs
Grades 07-12
B-
Margarita Muniz Academy
3.0 mi | #14 of 25 | Score: 31.6
Improved 349 spots from last year
-26.7 below state avg
480 students Less Diverse
Rising School
Grades 07-12
Roxbury Latin School
3.1 mi
Grades 07-12
Meridian Academy
3.3 mi
Grades 06-09
Catholic Memorial School
3.5 mi
15 sports • 2,206 athletes
Strong Athletics
Grades 07-12
A+
Boston Latin Academy
3.6 mi | #2 of 25 | Score: 64.9
Improved 214 spots from last year
+6.7 above state avg
1,669 students Very Diverse
17 sports • 1,298 athletes
Strong AP Program High Graduation Rate Rising School Strong Athletics
Grades 07-12
B
Dearborn STEM Academy
4.3 mi | #13 of 25 | Score: 33.4
Improved 356 spots from last year
-24.8 below state avg
565 students Moderate
10 sports • 242 athletes
Early College Program Rising School
Grades 07-12
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Loan Amount
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Over life of loan
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Including down payment
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Down: $0
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Monthly Payment Breakdown

Principal & Interest $0
Property Tax $278
Homeowners Insurance $200
HOA Fee $235/mo
PMI (if <20% down) $0

Loan Summary

Total of 360 payments $0
Total principal paid $0
Total interest paid $0

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Payment Over Time

Interest
Principal
Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
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Location

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Neighborhood

Mattapan

633 River St # 3R, Boston MA 02126

Boston, MA 02126

Listing Information

Listing Agent Bernadin Simeus
Listing Office Simeus Realty Group LLC
Office Phone 617-276-6102
Agent MLS ID BB810467
Office MLS ID AN9341
Listing Data Updated Oct 6, 2026 3:30 AM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

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Steve Novak Real Estate
Steve Novak Real Estate
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