2 Family - 2 Units Side by Side at 171 Lake St, Waltham MA 02451, Waltham
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28 photos

$773,888

171 Lake St, Waltham MA 02451
Waltham, MA 02451
Listed by Masha Senderovich
Bedrooms
3
Bathrooms
2
Living area
1,795 sqft
Year built
1930

About this home

A rare turnkey 2-family with lots of options! Move into one unit and have the tenant subsidize some of your mortgage, rent out both, or tear down and rebuild. Potential to build 2 side-by-side townhomes on the existing lot (buyer to do all due diligence). The larger units feature hardwood floors, a renovated eat-in kitchen, an updated bathroom, and split air conditioning/heating units. The smaller unit features hardwood floors, a smaller eat-in kitchen, a cozy bathroom, and a separate entrance. Separate driveways allow for autonomy for each unit. Flat lot with frontage on both streets. Easy access to rt 128/95, bus 61, proximity to Lazazzero Playground and Hardy Pond, MacArthur Elementary School, and the newly built state-of-the-art Waltham High School.

Property details

MLS #
73571620
Property type
2 Family - 2 Units Side by Side
Subdivision
N/A
Status
Active
Days on market
23
On market date
September 8, 2026
Stories
2
Total bathrooms
2
Garage spaces
N/A
Parking spaces
4
Lot size
0.1 acres
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Nearby schools

Within 10 miles. School directory data from the National Center for Education Statistics (NCES), accessed via the Urban Institute Education Data API. Local Score is calculated by INNOVATE Real Estate; where a state rating is shown, it comes from that state's own official school report card (e.g. NC Dept. of Public Instruction, SC Report Card).

Elementary
Douglas MacArthur Elementary School
0.43 mi away · Grades 0-5
Nearest school -- attendance-zone data not available here
4.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
469
Student:teacher ratio
13.0:1
District
Waltham
Middle
John F Kennedy Middle
0.66 mi away · Grades 6-8
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
553
Student:teacher ratio
10.1:1
District
Waltham
High
Waltham Sr High
0.9 mi away · Grades 9-12
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
1,643
Student:teacher ratio
10.2:1
District
Waltham

Walkability

Blended score for Waltham's center, calculated by INNOVATE Real Estate from two sources: the EPA's National Walkability Index (street network, transit, land-use mix) and Google Places amenity data (what's actually reachable on foot from this point). 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).

81
Highly walkable
out of 100
EPA National Walkability Index
15.5 / 20 -- Most walkable
Google Places amenity density
85 / 100
Restaurants & cafes20
Grocery stores1
Parks14
Schools15
Transit stops20
Pharmacies5

Market position

How this listing compares to current activity in Waltham, from live MLS data.

On the market 23 days -- 66 fewer days than Waltham's current average of 89 days.
For reference, the median list price across 441 active listings in Waltham right now is $5,500.

Mortgage calculator

Estimate only - actual rate and payment depend on your lender, credit, and loan program.

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Est. monthly payment
$4,810/mo
$154,778 down
$619,110 loan
Principal & interest$4,016
Property tax (est.)$645
Home insurance (est.)$150

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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated 11 days ago.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.