Real Estate Investing in Waltham, Massachusetts (02451)

Everything the listing leaves out — vacancy, rent trend, cap rate, landlord climate. All free.

Middlesex County • Population: 18,153 • Data updated: September 2026

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Should you buy in 02451 (Waltham, MA)? Our answer, based on the numbers below.

🏠 For Homebuyers
CAUTION
Grade D (54/100)

Proceed carefully. Weak appreciation or affordability makes this a harder case for most buyers.

📈 For Investors
MIXED
3.0 / 5 (47/100)

A middle-of-the-road market. Workable, but the best opportunities may be nearby ZIPs rather than this one.

⚠️ Risks to Know
1 flag
  • Tenant-protective state: Landlord rating 1.0/5 — slower evictions, more regulations.

What’s happening in Waltham, MA (02451)?

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3.0/ 5

Investability

Overall investment appeal

2.0/ 5

Appreciation

Long-term value growth

3.0/ 5

Cashflow ROI

Rental yield potential

Avg Home Value $816,520
Avg Monthly Rent $3,330
1% Rule ✗ Does Not Meet
Median Income $117,932
% Renters 40.5%

Market Analysis: 02451 Waltham

ZIP 02451 inside Middlesex County looks affordable on the surface — median value of $817K — but the discount exists for reasons that a careful buyer should understand before committing.

The investment case in 02451 is robust only for operators who understand what they are buying. A $817K median suggests accessibility, but management intensity, vacancy drift, and capex surprises are real.

ZIP 02451's metrics run below Middlesex County's averages on price growth and tenant stability. Investors who ignore that regional gap tend to relearn it the hard way.

The demographic picture in 02451 includes headwinds that any investor should price in. Income distribution skews lower than Waltham averages, and tenant stability requires active management.

Strategically, 02451 can be a high-return sleeve of a diversified portfolio — but it should not be the whole portfolio, and it should not be someone's first deal.

Explore the Data — Click a Tab Below
🏦 Current 30-yr Fixed Mortgage Rate: 6.76% as of Sep 10 Source: Freddie Mac PMMS

Here's what matters if you're considering buying a home in Waltham:

C Below Average
Buy Confidence Score: 57/100
Affordability
5/25
Appreciation
18/25
Stability
11/20
Timing
8/15
Rental backup
15/15
Affordability
Expensive
Homes cost 6.9× the median income
Value Trend
Stable (+2.9%)
How home values changed in the past year
Rental Backup
Strong
Could rent for $3,330/mo if you need to move
Market Conditions
BALANCED
Even conditions for buyers and sellers
Bottom Line: This market may be challenging for buyers. Consider your timing and budget carefully.
🏠

Property Strategy for 02451

Which property type performs best in this market?

Best for Cash Flow
1BR
5.5% cap rate
Best for Appreciation
5BR
+5.6% 5yr CAGR
Best Overall Value
5BR
$211,473/bedroom
📊 Compare All Property Types →
Type Median Value Est. Rent Cap Rate 5yr CAGR $/Bedroom
1BR $388,113 $2,960 5.5% +4.2% $388,113
2BR $646,597 $3,520 3.9% +4.7% $323,298
3BR $807,999 $4,220 3.8% +5.1% $269,333
4BR $989,236 $4,660 3.4% +5.4% $247,309
5BR $1,057,363 +5.6% $211,473

Market Trends

Home Value History (with trend line)

$870K$760K$651K$541K$431K$321KJul 2006Jul 2016Jul 2026

Rent History (with trend line)

$3,426$3,280$3,134$2,988$2,842$2,695Dec 2021Apr 2024Jul 2026

📊 How Does 02451 Compare?

Metric 02451 Waltham Massachusetts
Home Value $816,520 $836,250 $645,115
5-Year CAGR 3.8% 4.1% 7.0%
Avg Rent $3,330 $3,046 -
Cap Rate 3.2% 2.8% -
💡 Why Invest in 02451? Click to expand

With a 3/5 investability rating, this ZIP shows solid fundamentals for buy-and-hold investors.

A healthy rental market with 41% renter-occupied households ensures tenant availability.

📊 See where this ZIP ranks in our Best-of lists →
A great house in the wrong ZIP is still a bad deal — screen every market by cash flow & cap rate.
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Landlord Ground Truth

Real numbers from people who own or manage rentals in ZIP 02451 (Waltham, MA). Anonymous, moderated, never written by AI.

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Property managers serving Middlesex County

Manage rentals here? List your business →

Green Ocean Property Management offers investment property management and condo association management services in Boston and surrounding areas like Allston, Brighton, Cambridge, and Quincy. summary from their website

HOA
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McDonough Property Management offers full-service property management and HOA management in the Greater Boston Area, covering maintenance, inspections, legal compliance, and communication. summary from their website

HOA
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New England Property Management & Maintenance offers property management for multi/single-family homes, apartments, rental properties, and condo associations in Brookline, MA and Cambridge, MA. summary from their website

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Listings are shown for convenience — Repit doesn’t endorse or vet these companies. Ratings shown come only from email-verified visitors.

Investability
Good
Cap Rate
3.2%
Low
5yr Growth
+3.8%
Moderate

📊 Market Snapshot

Home Value $816,520
Monthly Rent $3,330
Price-to-Rent 20.4:1
1% Rule ✗ Fails

💰 Return Metrics

Gross Yield 4.9%
Cap Rate 3.2%
5-Year IRR 7.0%

📈 Home Appreciation

1-Year +2.9% ▲
3-Year CAGR +3.4% ▲
5-Year CAGR +3.8% ▲
10-Year CAGR +5.1% ▲

🏠 Rent Trends

1-Year -2.0% ▼
3-Year CAGR +1.0% ▲
5-Year CAGR N/A
Negative Leverage — IRR / Tax Play Cap Rate: 3.2%  |  30yr Rate: 6.8%
Leverage reduces cash returns at current rates.

The current 30-yr mortgage rate (6.8%) exceeds the estimated cap rate (3.2%). Financing reduces your cash-on-cash return below the cap rate. Markets like this may still make sense as IRR plays — factoring in appreciation, depreciation, and a future refinance when rates drop.

Run an IRR Analysis →

⚠️ Risk Signals

Composite view of factors that can impact a ZIP's stability and your downside risk.

Vacancy
3.0%
Low risk
Landlord Climate
1.0/5
Protective
Value Trend (5yr)
+3.8%
Stable
Eviction process: Slow Rent control: Moderate

Demographics in 02451

Population: 18,153

💰 Median Household Income
$117,932
This area
$117,932
State
$107,356
USA
$74,580
🏠 Renter Occupied
40.5%
This area
40.5%
State
28.1%
USA
34.0%
💼 Unemployment Rate
2.0%
This area
2.0%
State
-8.0%
USA
3.7%
🎓 College Educated
54.9%
This area
54.9%
State
32.1%
USA
33.7%
👤 Median Age
39.5 years
This area
39.5 years
State
22.8 years
USA
38.9 years
🏚️ Vacancy Rate
3.0%
This area
3.0%
State
13.6%
USA
10.5%
👥 Population by Ethnicity
White 64.2%
Asian 15.1%
Other/Mixed 14.5%
Hispanic/Latino 11.0%
Black/African American 6.3%
👶 Under 18
13.0%
This area
13.0%
USA
22.0%
👴 65 and Over
18.5%
This area
18.5%
USA
17.3%
📊 Poverty Rate
3.3%
This area
3.3%
USA
11.5%

Crime & Safety

🚧

Crime & Safety Data Coming Soon

We're integrating comprehensive crime statistics including violent crime rates, property crime, and safety scores to help you make informed investment decisions.

Expected: Q1 2025

🎓 Schools in 02451

A+ Avg School Grade
2 Schools
10.9:1 Avg Class Size
$65,788 Avg Per Pupil

Schools in This ZIP Code

A+ Excellent

Douglas MacArthur Elementary School

📚 K – 05 Elementary
👥
475 Students
👨‍🏫
11.4:1 Class Size
💰
$65,788 Per Student
A+ Excellent

Thomas R Plympton Elementary School

📚 K – 05 Elementary
👥
352 Students
👨‍🏫
10.4:1 Class Size
💰
$65,788 Per Student

Nearby Schools (5 more)

Schools in adjacent ZIP codes that may serve this area

A+ Excellent

Bowman

📚 K – 05 Elementary
📍 9 Philip Rd, Lexington
👥
428 Students
👨‍🏫
11.3:1 Class Size
💰
$30,734 Per Student
A+ Excellent

Bridge

📚 K – 05 Elementary
📍 55 Middleby Rd, Lexington
👥
365 Students
👨‍🏫
10.4:1 Class Size
💰
$30,734 Per Student
A+ Excellent

Henry Whittemore Elementary School

📚 K – 05 Elementary
📍 30 Parmenter Road, Waltham
👥
386 Students
👨‍🏫
9.5:1 Class Size
💰
$65,788 Per Student
A+ Excellent

James Fitzgerald Elementary School

📚 K – 05 Elementary
📍 138 Beal Road, Waltham
👥
354 Students
👨‍🏫
10.8:1 Class Size
💰
$65,788 Per Student
A+ Excellent

John F Kennedy Middle

📚 06 – 08 Middle
📍 655 Lexington St, Waltham
👥
628 Students
👨‍🏫
10.4:1 Class Size
💰
$65,788 Per Student
About Repit School Scores

Traditional school ratings rely heavily on standardized test scores, which often reflect family income more than school quality. Repit takes a different approach.

We evaluate schools based on factors that research shows actually impact educational outcomes:

  • Class Size — Smaller classes mean more individual attention
  • School Funding — Resources available for programs, staff, and facilities
  • Community Factors — Neighborhood characteristics that influence student success
  • School Environment — Size, type, and structure

Scores are updated annually using federal education data.

🎓 Nearby Colleges & Universities

8 Nearby 1,640 Off-Campus Students
B
Bentley University
5,264 students · 2.0 mi
B
Brandeis University
5,302 students · 2.3 mi
C
Lasell University
1,527 students · 4.0 mi
C
Regis College
2,842 students · 4.3 mi
D
Hebrew College
177 students · 4.4 mi
C
Pope St John XXIII National Seminary
42 students · 4.9 mi
C
Massachusetts Bay Community College
3,973 students · 6.0 mi
C+
Saint John's Seminary
120 students · 6.1 mi

Investor Insight: With 1,640 students living off-campus nearby, this area has strong rental demand from the college population.

Frequently Asked Questions

What strategy should investors use in Waltham, MA?

A careful cash-flow rentals with hands-on management strategy Waltham, MA best. The market produces predictable results for that approach at the $817K price point.

How high is vacancy risk in Waltham, MA?

Waltham, MA carries elevated vacancy risk. Expect steady absorption at market rents of $3,330/mo.

What kind of market is Waltham, MA for investors?

Investors tracking Waltham, MA will find a 3.0/5 rating supported by $817K median home values and $3,330/mo rents. That profile suits long-term holders targeting reliable returns.

What are home prices like in Waltham, MA?

The median home value in Waltham, MA is roughly $817K. That puts it reasonable relative to the MA statewide average.

What does house hacking look like in Waltham, MA?

For house hackers, Waltham, MA is a challenging. The $3,330/mo rent on a unit helps defray the mortgage on a $817K property.

You know 02451 now. You don’t know where it ranks.

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How 02451 ranks in Boston-Cambridge-Newton, MA-NH

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