HousingHandbookReference data

U.S. ZIP Code · MA02421

Middlesex County · Boston-Cambridge-Newton, MA-NH

Typical home value

$1,653,671[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year
+2.9%
5-year / yr
+6.7%
10-year / yr
+5.6%

Relative price

vs U.S.
+482.1%
vs metro
+127.8%
vs state
+170.3%
ZIP 02421 location in MA
Location of ZIP 02421 in MA

Price history

Zillow Home Value Index — monthly, smoothed and seasonally adjusted.

The typical home in 02421 is worth $1,653,671 — 127.8% above the Boston-Cambridge-Newton, MA-NH median. Over the past year, values have risen 2.9%. Homes here rent for a typical $3,607 a month — a 2.6% gross rental yield. The effective property tax rate is 1.2%.

#Rent & investment

Typical asking rent, and the returns it implies at the current home value.

Monthly rent
$3,607[2]
Gross yield
2.6%[2]
Cap rate
1.6%[2]

#Property tax

Effective rate — total real estate taxes paid relative to total home value.

Effective tax rate
1.2%[3]
Typical annual tax
$19,130[3]

#Climate risk

FEMA National Risk Index ratings for Middlesex County. "Not Applicable" means the hazard does not threaten the county.

Overall risk
Relatively High[4]
Riverine flood
Relatively High
Coastal flood
Relatively Low
Wildfire
Relatively Low
Drought
Relatively Moderate
Heat wave
Relatively Moderate
Hurricane
Relatively High
Tornado
Relatively Moderate
Earthquake
Relatively Moderate
Winter weather
Relatively Moderate

#Who lives here

Population
18,080[3]
Median household income
$227,813[3]

#Migration

Household moves in and out of Middlesex County over a year, from IRS tax-return data.

Net migration
-5,282[5]
Moved in
47,132
Moved out
52,414

Schools

Open public schools in this ZIP, from the NCES Common Core of Data.

Public schools
7
Elementary
3
Middle
1
High
2
  • Lexington High

    High · Grades 9–12 · Lexington

    2,318 students

  • Jonas Clarke Middle

    Middle · Grades 6–8 · Lexington

    810 students

  • Minuteman Regional High

    High · Grades 9–12 · Minuteman Regional Vocational Technical

    683 students

  • Maria Hastings

    Elementary · Grades K–5 · Lexington

    631 students

  • Bowman

    Elementary · Grades K–5 · Lexington

    428 students

Run the numbers

Interactive calculators pre-filled with this ZIP's typical home value, rent, and property-tax rate. Edit any field to recompute.

Gross yield2.6%
Net yield (after ~40% expenses)1.6%
Annual rent$43,282

Gross and net yield are estimates based on the inputs and the selected expense ratio. Actual income and expenses will vary by property and market. Not investment advice.

Monthly payment$8,362
Loan principal$1,322,937
Down payment$330,734
Total interest paid$1,687,333

Estimated monthly payments include principal and interest only. Actual costs will include property tax, insurance, possibly PMI, and HOA fees not modeled here. Loan terms shown are estimates; consult a licensed lender for current rates and qualification.

Own : rent ratio3.14
Monthly cost to own$11,338
Monthly rent$3,607

Renting is meaningfully cheaper month-to-month.

This calculator projects multi-year scenarios based on assumptions about appreciation, rent growth, and investment returns — none of which are guaranteed. Actual outcomes depend on variables this tool cannot know. Not financial or real estate advice.

#Metro ranking

Where this ZIP sits among others in its metro area.

Appreciation
75th percentile[1]
Rental yield
3rd percentile[2]
Property tax
61st percentile[3]

Frequently asked

How much is a home worth in ZIP code 02421?
The typical home in 02421 is worth $1,653,671, based on the Zillow Home Value Index.
Are home values rising in 02421?
Home values in 02421 are up 2.9% over the past year, and up 6.7% a year over five years.
What is the typical rent in 02421?
A typical home in 02421 rents for about $3,607 a month, a gross rental yield of 2.6%.
What is the property tax rate in 02421?
The effective property tax rate in 02421 is 1.2% — roughly $19,130 a year on a typical home.
Who lives in 02421?
ZIP code 02421 has a population of 18,080 and a median household income of $227,813.

#Comparable ZIPs

Same metro, nearest typical home value. Each card shows the comparable ZIP's headline numbers so you can scan at a glance.

  • Boston, MA

    Typical home
    $1,644,267
    Gross yield
    2.3%
  • Needham CDP, MA

    Typical home
    $1,666,830
    Gross yield
  • Winchester CDP, MA

    Typical home
    $1,578,188
    Gross yield
    2.4%
  • Lexington CDP, MA

    Typical home
    $1,560,023
    Gross yield
  • Newton, MA

    Typical home
    $1,528,435
    Gross yield
    2.9%
  • Dover CDP, MA

    Typical home
    $1,785,550
    Gross yield

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