Condominium at 73 Gray Street # A, Billerica MA 01821
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26 photos

$675,000

73 Gray Street # A, Billerica MA 01821
Billerica, MA 01821
Listed by Samuel Harding
Bedrooms
3
Bathrooms
2.5
Living area
2,232 sqft
Year built
1843

About this home

Nestled on approximately five acres of conservation land, this townhouse-style condominium offers a rare combination of historic character, modern updates, and a private setting. Renovated in 2006 within a c.1843 home, this spacious residence features over 2,200 square feet of living space with 3 bedrooms and 2.5 bathrooms. The main level offers an open floor plan with hardwood flooring, 9-foot ceilings, a fireplace, and a kitchen with granite countertops and ample cabinet space. French doors lead to a private enclosed patio and fenced yard, providing a peaceful outdoor space for relaxing or entertaining. Upstairs, the primary suite includes a full bath and two walk-in closets, along with two additional bedrooms, a full guest bath, and second-floor laundry. Additional highlights include central air and generous storage. Conveniently located near shopping, dining, commuter routes, and local amenities, while offering the privacy of a unique conservation setting.

Highlights

Fireplace

Property details

MLS
MLS Property Information Network
MLS #
73557732
Property type
Condominium
Subdivision
N/A
Status
Active
Days on market
85
On market date
July 31, 2026
Stories
2
Total bathrooms
2.5
Garage spaces
N/A
Parking spaces
3
Lot size
N/A
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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.

Elementary
Heath-Brook
0.96 mi away · Grades 0-2
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
302
Student:teacher ratio
13.7:1
District
Tewksbury
Middle
John W. Wynn Middle
1.86 mi away · Grades 7-8
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
511
Student:teacher ratio
12.8:1
District
Tewksbury
High
Tewksbury Memorial High
1.48 mi away · Grades 9-12
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
802
Student:teacher ratio
12.2:1
District
Tewksbury

Walkability

Blended score for Billerica'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).

15
Very car-dependent
out of 100
EPA National Walkability Index
3.5 / 20 -- Least walkable
Google Places amenity density
10 / 100
Restaurants & cafes2
Grocery stores0
Parks1
Schools0
Transit stops0
Pharmacies0

Market position

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

On the market 85 days -- 1 fewer days than Billerica's current average of 86 days.
For reference, the median list price across 175 active listings in Billerica right now is $650,000.

Mortgage calculator

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

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Est. monthly payment
$4,215/mo
$135,000 down
$540,000 loan
Principal & interest$3,502
Property tax (est.)$563
Home insurance (est.)$150

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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated September 21, 2026.

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.