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81 Alder St, Waltham MA 02453

$3,100,000

Estimated $6,323.47/month Calculator

Multi Family

Total Units: 4

Price Per Unit: $775,000

Total Rent: 237600/year

Estimated CAP Rate: 7.16%

19 Bedrooms

10 Full, 1 Half Baths

6,665 SqFt

Total Parking: 4

6,840 SqFt

81 Alder St is a three-story building and contains four (4) total units comprised of two (2) 5-Bedroom/3-Bathroom units, one (1) 5-Bedroom/2-Bathroom unit, and one (1) 4-Bedroom/2.5-Bathroom unit. All units are desirable, townhouse style units. The property has undergone significant capital upgrades which include condo quality finishes to all units featuring new kitchens with new cabinetry, quartz countertops, renovated bathrooms, new flooring, painting, central air conditioning (central air and mini splits) and updated electrical service. Building amenities include laundry for each unit as well as Four (4) direct parking spaces, one of which is Tandem for multiple vehicles. 81 Alder Street is strategically located in a well-connected residential neighborhood on the South Side of Waltham, offering convenient access to Moody Street, downtown Waltham, and the Charles River waterfront.

This home has been viewed 16 times

Last Checked: November 6th, 2025 at 9:53am (Source: MLS PIN #73450026)

Gross Income: $237,600

Gross Expenses: $15,562

Net Income Calc: $222,038

CAP Rate: 7.16%

Annual Expenses for 81 Alder St, Waltham MA 02453

Total Gross Expenses (Calculated)$15,562/year

APOD AvailableYes

Heating

Electricity

Water

Gas

Insurance

Sewer

Trash Removal

Repair & Maintenance

Management

Miscellaneous

Real Estate Tax$15,562

Annual Income & Unit Breakdown for 81 Alder St, Waltham MA 02453

Total Gross Income (Calculated)$237,600

Unit 1

Rental Income$4,400

LeaseY

Bedrooms4

Bathrooms2 Full, 1 Half

Floor1

Levels in Unit4

HeatingNo

Rent IncludesUnit 1(water), Unit 2(water), Unit 3(water), Unit 4(water)

Unit 2

Rental Income$5,500

LeaseY

Bedrooms5

Bathrooms3 Full

Floor1

Levels in Unit4

HeatingNo

Rent IncludesUnit 1(water), Unit 2(water), Unit 3(water), Unit 4(water)

Unit 3

Rental Income$4,400

LeaseY

Bedrooms5

Bathrooms2 Full

Floor1

Levels in Unit4

HeatingNo

Rent IncludesUnit 1(water), Unit 2(water), Unit 3(water), Unit 4(water)

Unit 4

Rental Income$5,500

LeaseY

Bedrooms5

Bathrooms3 Full

Floor1

Levels in Unit4

HeatingNo

Rent IncludesUnit 1(water), Unit 2(water), Unit 3(water), Unit 4(water)

General Information for 81 Alder St, Waltham MA 02453

Listing ID73450026

Property TypeMulti Family / 4 Family

Price$3,100,000 ($465.12/SqFt)

Style4 Family

CityWaltham

CountyMiddlesex

MLS Area

Neighborhood(s)

Approximate Living Area Total6,665 SqFt

Approximate Lot Size (Acres)0.16 acres

Total Parking4

Garage Parking

Year Built1900

Year Built SourcePublic Records

Year Renovated

Year Built DetailsApproximate

Water

Sewer

Electric

Hot Water

Roof Material

Basement

Construction Materials

Lot FeaturesOther

Foundation Area

Foundation DescriptionOther

Accessible Features

Outdoor Space

ZoningRB

Zoning Details

Water ViewsNo

Water Views Features

WaterfrontNo

Waterfront Features

Energy Features

Terms

Disclosures for 81 Alder St, Waltham MA 02453

Lead Paint

UFFI

Living Area Includes BasementNo

Living Area Disclosure

Building Area SourcePublic Records

Title 5

Exclusions

Disclosures

Financial Data Source

Total Gross Expenses By Broker$36,381

Total Gross Income By Broker$237,600

Total Net Income By Broker$201,219

For Sale By OwnerNo

Short Sale / Forclosure (Bank Owned)

Buyer Agent Compensation

Facilitator Compensation

Sub-Agent Compensation

Compensation Based On

Financial Information for 81 Alder St, Waltham MA 02453

Real Estate Taxes$15,562

Tax Year2025

Assessed Value$1,555,600

Financial Data Source

Total Gross Expenses By Broker$36,381

BostonRealEstate.com Gross Expenses

Total Gross Income By Broker$237,600

BostonRealEstate.com Gross Income

Total Net Income By Broker$201,219

BostonRealEstate.com Gross NOI

CAP Rate (based on Broker info)

CAP Rate (BostonRealEstate.com)7.16%

Location Information for 81 Alder St, Waltham MA 02453

Elementary School

Middle School

High School

Neighborhood(s)

MLS Area

Area AmenitiesWalk/jog Trails, Highway Access, House Of Worship, Public School, Shopping, Golf, Park, Medical Facility, Laundromat, Bike Path, Public Transportation, T-station, Pool, Tennis Court(s), Private School, University

Contact Information for 81 Alder St, Waltham MA 02453

Agent

Name: Kelleher - Pentore Team

Office

Name: Horvath & Tremblay

Phone: 781-776-4000

Team Members

Name: Dennis Kelleher

Phone: 781-776-4002

Name: John Pentore

Phone: 781-776-4004

Payment Calculator

, Interest

Property Taxes 1296.83

Principal & Interest 19101.21

HOA Dues $0

Term

Interest

Home Price

Down Payment

Exclusive Listing Agent

Horvath & Tremblay

Kelleher - Pentore Team

Agent Phone

Office Phone

(781) 776-4000

Text Agent Call Agent Call Office

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EXIT

Active

81 Alder St, Waltham MA 02453

$3,100,000

Annual Expenses for 81 Alder St, Waltham MA 02453

Annual Income & Unit Breakdown for 81 Alder St, Waltham MA 02453

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Financial Information for 81 Alder St, Waltham MA 02453

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Horvath & Tremblay

Kelleher - Pentore Team