How much is a home worth in ZIP code 01821?

The typical home in 01821 is worth $705,962, based on the Zillow Home Value Index.

Are home values rising in 01821?

Home values in 01821 are up 1.7% over the past year, and up 5.0% a year over five years.

What is the typical rent in 01821?

A typical home in 01821 rents for about $2,703 a month, a gross rental yield of 4.6%.

What is the property tax rate in 01821?

The effective property tax rate in 01821 is 1.0% — roughly $7,292 a year on a typical home.

ZIP code 01821 has a population of 30,143 and a median household income of $149,042.

HousingHandbookReference data

…

U.S. ZIP Code · MA01821

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

Typical home value

$705,962^[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year: +1.7%
5-year / yr: +5.0%
10-year / yr: +6.0%

Relative price

vs U.S.: +148.5%
vs metro: -2.7%
vs state: +15.4%

Price history

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

The typical home in 01821 is worth $705,962 — 2.7% below the Boston-Cambridge-Newton, MA-NH median. Over the past year, values have risen 1.7%. Homes here rent for a typical $2,703 a month — a 4.6% gross rental yield. The effective property tax rate is 1.0%.

#Rent & investment

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

Monthly rent: $2,703^[2]
Gross yield: 4.6%^[2]
Cap rate: 2.8%^[2]

#Property tax

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

Effective tax rate: 1.0%^[3]
Typical annual tax: $7,292^[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: 30,143^[3]
Median household income: $149,042^[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: 2
High: 2

Billerica Memorial High School
High · Grades 8–12 · Billerica
1,821 students
Shawsheen Valley Vocational Technical High School
High · Grades 9–12 · Shawsheen Valley Regional Vocational Technical
1,306 students
Marshall Middle School
Middle · Grades 5–7 · Billerica
599 students
Thomas Ditson
Elementary · Grades K–4 · Billerica
551 students
Locke Middle
Middle · Grades 5–7 · Billerica
503 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.

Home value$Monthly rent$

Gross yield4.6%

Net yield (after ~40% expenses)2.8%

Annual rent$32,435

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.

Home price$Down payment%Interest rate%Loan termyears

Monthly payment$3,570

Loan principal$564,770

Down payment$141,192

Total interest paid$720,333

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.

Home price$Monthly rent$Down payment%Mortgage rate%Property tax rate% / yrMaintenance% / yrRule of thumb: 1% of home value per year.

Own : rent ratio1.76

Monthly cost to own$4,764

Monthly rent$2,703

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: 35th percentile^[1]
Rental yield: 51st percentile^[2]
Property tax: 46th percentile^[3]

Frequently asked

How much is a home worth in ZIP code 01821?: The typical home in 01821 is worth $705,962, based on the Zillow Home Value Index.
Are home values rising in 01821?: Home values in 01821 are up 1.7% over the past year, and up 5.0% a year over five years.
What is the typical rent in 01821?: A typical home in 01821 rents for about $2,703 a month, a gross rental yield of 4.6%.
What is the property tax rate in 01821?: The effective property tax rate in 01821 is 1.0% — roughly $7,292 a year on a typical home.
Who lives in 01821?: ZIP code 01821 has a population of 30,143 and a median household income of $149,042.

#Comparable ZIPs

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

02045 vs 01821 →
Hull CDP, MA
Typical home
$707,272
Gross yield
5.0%
02038 vs 01821 →
Franklin Town, MA
Typical home
$708,180
Gross yield
4.3%
02054
Millis-Clicquot CDP, MA
Typical home
$709,042
Gross yield
—
01701
Framingham, MA
Typical home
$709,829
Gross yield
4.2%
02171
Quincy, MA
Typical home
$709,943
Gross yield
4.7%
01960
Peabody, MA
Typical home
$699,421
Gross yield
4.8%

Want similar ZIPs from outside this metro? Browse nationally similar ZIPs →

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#Jump to section

U.S. ZIP Code · MA01821

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