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For Sale

125 Union St

Natick, MA

$1,999,999

5 bd/4.5 ba/6,300 sf

Courtesy of Keep It Realty, LLC

This home is listed by another brokerage. We can arrange a viewing, and we can represent you as the buyer.

The listing brokerage last updated this record on October 5, 2026.

Photographs

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42 photographs from the listing brokerage, shown as they published them.

About this home

Unrivaled luxury, unbelievable value & uncommon efficiency live here. So can you! This rare single-family home in South Natick has everything you want & more! Situated on almost an acre with over 5,500 sf living area, 4 levels of living, w/ 5 bedrooms & 4 1/2 bathrooms. Originally custom built in 2020 w/ luxury finishes & features like imported tiles & granite, custom cabinets & quartz counter, a gas fireplace & more; now boasting over $375,000 in stunning owner upgrades & improvements, creating real value that would be costly to reproduce today. Ideal for discerning buyers seeking comfort, high-end finishes, abundant space, wellness features & smart updates for smart expense management & cost control. Notable features include: A five-star tiled chef's kitchen w/ new smart refrigerator, wine fridge, center gas cooking range, double-wall oven, premium venting & a spacious walk-in pantry; a massive primary bedroom w/ coved ceiling - retreat to an expansive suite w/ sitting area, luxurious spa bath, fully tiled shower stall w/ tandem shower, radiant heated floors, private water closet, vanity area & walk-in closet. All bathrooms feature upgraded bidet toilets; gym area in the partially finished basement w/ additional space for storage or finishing; fully owned solar panels paired w/ 2 Tesla Powerwalls power the home year-round, reducing winter electric costs to near zero; an Energy Recovery Ventilation (ERV) fresh air system paired with smart control was added for a healthier indoor environment. Two new water filtration systems provide purified drinking water via Reverse Osmosis and a softening system improves & preserves the longevity of the home's plumbing; new tankless on-demand hot water, upgraded WiFi-enabled irrigation, and preventative foundation protection. Huge 3-car heated garage with direct entry and floor protection installed. Continue to the fully-fenced backyard where recreation awaits in your private oasis. An updated patio area w/ gazebo was designed to minimize extra maintenance; a generous grass & garden area exists on the border. A bonus concrete slab offers a footprint for an activity area - imagine a basketball or pickleball court or something else (subject to reviewing dimensions)! A new shed is perfect for equipment. See the full upgrade list for more information. The septic system has been regularly and meticulously maintained & inspected for Titlle V. The new owner will not have much left to do other than move in and enjoy this home!

The details

Property type
Single family
Bedrooms
5
Bathrooms
4.5
Interior
6,300 sq ft
Lot
0.92 acres
Year built
2020
Price per sq ft
$317
County
Middlesex
Taxes
$23,690 (2025)
Heating
Forced Air · Natural Gas
Cooling
Central Air
Basement
Full · Finished · Partially Finished
Parking
7 (3 garage)
Fireplaces
1
Roof
Shingle
Sewer
Private Sewer
Water
Public
Zoning
RSB
Elementary school
Lilja
Middle school
Wilson
High school
Natick High School
Days on market
63
MLS #
73558439

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152 Lynnway, Unit J-1
Lynn, MA 01902
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