LevelSecond
30 Columbus Ave # 4, Waltham MA 02451
Waltham, MA 02451
$739,000
Est. $4,295/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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Open House Schedule
12
Sep
Saturday, September 12
11:30 AM - 12:30 PM EDT
13
Sep
Sunday, September 13
11:30 AM - 12:30 PM EDT
About this home
Welcome to 30 Columbus St, Waltham—an exceptional new condo conversion offering the perfect single-family alternative. This freestanding detached unit lives much like a single-family home, providing privacy, its own outdoor space, and no shared walls, while being part of a beautifully reimagined 4-unit condominium complex. Completely renovated from top to bottom, this home combines modern design with quality craftsmanship throughout. Offering 5 rooms, 2 bedrooms, and 2.5 baths across two levels, the main level features a stylish galley-style eat-in kitchen, first-floor laundry, and spacious living room. Upstairs offers a private primary suite with walk-in closet, second bedroom, full bath, and flexible office space. Additional features include a private patio, fenced yard, basement storage, and one deeded parking space. Ideally located near Moody Street, Brandeis University, and Routes 95 and 2. A rare opportunity for those seeking the feel and privacy of a single-family home with the convenience of condominium living. OPEN HOUSE SATURDAY AND SUNDAY 11:30 - 12:30.
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Recently Sold Nearby
Property History
Property Timeline
Listed for Sale
Sep 10, 2026
$739,000
Original listing
Agent: Richard Carlo
Office: Conway - West Roxbury
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 09/10/2026 | 🏠 Listed for Sale | $739,000 | - | - | Original listing |
Tax History
| Year | Taxes | Assessment |
|---|---|---|
| 2026 | $99 | $99 |
Financial Details
Annual Property Tax
$99
Tax Year 2026
HOA Fee
$350
Monthly
Assessed Value
$99
Facts & Features
Home Facts
Type
Residential
Style
Condominium
Year Built
1910
Living Area
1,722 sq ft
Lot Size
0.20 acres
Stories
2
Bedrooms
2
Full Baths
2
Half Baths
1
Total Rooms
5
Interior
Heating
Electric Baseboard, Heat Pump
Cooling
Heat Pump
Flooring
Wood, Tile
Appliances
Range, Dishwasher, Disposal, Microwave, Refrigerator
Fireplace
None
Basement
Y
Laundry
First Floor
Features
Office
Exterior
Construction
Frame
Architecture
None
Roof
Rubber
Features
None
Pool
None
Spa
None
Fencing
None
Patio/Porch
None
Parking
Features
Off Street
Total Spaces
1
Utilities
Electric
Circuit Breakers
Water
Public
Sewer
Public Sewer
Gas
None
Other
None
Financial
Annual Tax
$99
Assessed Value
$99
HOA & Community
HOA Fee
$350 Monthly
Fee Includes
Water, Sewer, Insurance, Maintenance Structure, Maintenance Grounds, Snow Removal
Amenities
None
Optional Fee Includes
None
MA Disclosures
Lead Paint
Unknown
Seller Disclosures
New Condominium Conversion. Condominium Fees Are Subject To Change. Real Estate Taxes And Assessed Value Have Not Yet Been Finalized And Will Be Determined Upon Reassessment By The Municipality. Buyers And Their Agents Are Advised To Perform Their Own Due Diligence.
Additional Details
Possession
None
Accepted Financing
None
Structure Type
["Detached"]
Unit/Building
4
Sq Ft Source
Measured
Documents
Master Deed, Rules & Regs (2)
County
Middlesex
Property Overview
Property Type
Condominium
Listing Type
For Sale
Year Built
1910
Bedrooms
2
Full Bathrooms
2
Half Bathrooms
1
Living Area
1,722 sq ft
Total Rooms
5
Stories
2
Entry Level
1
Floor Layout
Interactive room guide
Floor Layout
Finished Area
1,722 sq ft above grade
LevelSecond
LevelSecond
LevelFirst
LevelFirst
FeaturesYes
Display Options
Room Markers
OOffice (1)
KKitchen (1)
BRBedroom (5)
BABathroom (4)
DDining (1)
LLiving (2)
Conceptual diagram based on MLS room data. It is not to scale and is not a substitute for architectural plans or on-site measurements.
Interior Features
Flooring:
Wood, Tile
Appliances:
Range, Dishwasher, Disposal, Microwave, Refrigerator
Interior Features:
Office
Windows:
Insulated Windows
Basement:
Y
Laundry:
First Floor
Security:
Construction & Materials
Year Built:
1910
Structure Type:
Detached
Exterior Materials:
Frame
Roof:
Rubber
Foundation:
Stories:
2
Heating, Cooling & Utilities
Heating:
Electric Baseboard, Heat Pump
Heating Zones:
4
Cooling:
Heat Pump
Cooling Zones:
4
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
Total Parking Spaces:
1
Parking Features:
Off Street
Nearby Schools
School information not available for this location.
Monthly Payment Calculator
Monthly Payment
$0
Principal, interest, taxes & insurance
Loan Amount
$0
After down payment
Total Interest
$0
Over life of loan
Total Cost
$0
Including down payment
%
Down: $0
%
Monthly Payment Breakdown
Principal & Interest
$0
Property Tax
$8
Homeowners Insurance
$200
HOA Fee
$350/mo
PMI (if <20% down)
$0
Loan Summary
Total of 360 payments
$0
Total principal paid
$0
Total interest paid
$0
Rate Impact
-0.5% Rate
$0/mo
Save $0/mo
Current Rate
$0/mo
+0.5% Rate
$0/mo
Cost $0/mo
Payment Over Time
Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
* Estimates only. Actual payments may vary. Consult with a lender for accurate figures.
Location
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Neighborhood
30 Columbus Ave # 4, Waltham MA 02451
Waltham, MA 02451
Listing Information
Listing Agent
Richard Carlo
Listing Office
Conway - West Roxbury
Office Phone
617-469-9200
Agent MLS ID
BB910783
Office MLS ID
BB1494
Listing Data Updated
Sep 10, 2026 7:10 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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