Introducing 12 Williams Street, a thoughtfully designed new development in the heart of Brookline’s highly sought-after Coolidge Corner. This intimate community features two beautifully appointed townhomes, each with private parking, along with a separate studio residence—offering a rare combination of new construction, thoughtful design, and exceptional convenience. This studio residence offers a beautiful kitchen and single-level living. Just steps from everything Coolidge Corner has to offer, 12 Williams places you within easy reach of independent bookstores, the iconic Coolidge Corner Theatre, Trader Joe’s, Stop & Shop, acclaimed restaurants, cafés, and everyday conveniences. The nearby MBTA Green Line provides direct service into Boston, making commuting and exploring the city effortless. With its exceptional location, private elevator, generous four-level layout, outdoor space, and two covered parking spaces, 12 Williams Street offers a distinctive opportunity to enjoy modern living in one of Brookline’s most vibrant neighborhoods.
Listed by Todd Glaskin · Coldwell Banker Realty - Newton MLS PIN #73584488 · Updated 10/4/2026, 4:05:00 AM ET
Public Transportation · Shopping · Park · Walk/Jog Trails · Golf · Medical Facility · Highway Access · House of Worship · Private School · Public School
Senior community
No
Management
Professional - Off Site
Taxes & property records
Annual property tax
$9,999
Tax year
2026
Assessed value
$9,999
Parcel number
31150
Zoning
3Fam
Registry book
41415
Registry page
469
Rental terms
Pets allowed
Yes w/ Restrictions
Location & listed schools
City
Brookline
County
Norfolk
State
MA
ZIP code
02446
MLS area
Coolidge Corner
Listed elementary school
Ridley
Listed middle school
Ridley
Listed high school
Bhs
Directions
Just off Harvard Street in Coolidge Corner
Listing & disclosures
MLS number
73584488
Listing date
2026-09-30
Original entry date
2026-09-30
Status changed
2026-09-30
Listing modified
2026-10-04
Original list price
$808,000
Current list price
$808,000
List price per sqft
$1,616
Days on market
4
Property market time
4
Disclosures
New Construction. Proposed renderings · layouts · specifications and square footage calculations are approximate and subject to amendment. Final property taxes not yet calculated. Some renderings are of other units.
Disclosure indicator
N
Lead paint
None
Price & tax details
Current asking price$808,000
Original asking price$808,000
Listed on2026-09-30
Days on market4
Tax record supplied by MLS
Year
Property tax
Assessed value
2026
$9,999
$9,999
These records are supplied by the current listing. Assessed value is not market value; confirm taxes with the local assessor.
Mortgage calculator
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Results include principal and interest, plus property tax and HOA when MLS lists them; home and mortgage insurance and utilities are excluded. Tax uses the amount in this listing; a buyer’s actual tax may differ with reassessment or residential exemptions. The rate is your assumption, not a current market quote or loan offer.
SCHOOLS & EDUCATION
Schools & performance
2026 MA DESE
School names, grades and state-reported measures are listed below.
Schools named in the listing
—DESE percentile
MLS-listed elementary
Ridley
School name supplied by the listing; confirm with the district.
—DESE percentile
MLS-listed middle
Ridley
School name supplied by the listing; confirm with the district.
—DESE percentile
MLS-listed high school
Bhs
School name supplied by the listing; confirm with the district.
MLS school names do not guarantee attendance. Assignment can vary by school year, grade and admissions policy; confirm with the district before committing.What do these numbers mean?
DESE accountability percentiles (1–99) compare schools administering similar assessments, using up to two years of indicators. These are not test scores out of 100 or GreatSchools 1–10 ratings. Progress toward targets is a separate state measure. Consider programs, support services and your child’s needs as well.
School names link to available school or district websites.