
125 Union St Natick — Photo 1 of 42
Recent Drop: $100,000
$2,275,000
Investment Analysis — 125 Union St
Natick, MA 01760 — South Natick
Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 5-bedroom in 01760 carries an estimated $3,850/mo in gross rent — about a 0.50% cap rate and $11,422/yr in estimated NOI at the $2,275,000 list price. Adjust every assumption in the calculator below.
Beds
5
Baths
4.5
SqFt
6,300
Style
Single Family
Built
2020
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!
ADU Potential
Massachusetts allows one accessory dwelling unit by right in single-family zoning districts statewide (M.G.L. c. 40A §3; 760 CMR 71.00, effective Feb 2025). Estimated maximum ADU size for this property: 900 sq ft (the lesser of 900 sq ft or half the 6,300 sq ft principal dwelling). Lot size: 40,158 sq ft.
Based on listing data, which indicates the property type — not the zoning district. Local dimensional, septic (Title 5), and historic-district requirements still apply. Not legal advice — verify with the municipality.
Estimates — not financial advice
These figures are illustrative estimates for informational purposes only — not an appraisal, valuation, or guarantee of rent, income, or returns, and not financial, tax, or investment advice. Rent is either the figure reported on the MLS listing — in-place rent that may differ from market and is not verified against the actual leases — or, where the listing reports none, an estimate from HUD Small Area Fair Market Rents, a government benchmark that may differ from actual market rent. Each figure is labelled with its source. Cap rate, NOI, and returns depend on the assumptions shown, which you can change. MLS and other third-party data may be inaccurate or out of date. Verify all figures independently and consult your own financial, tax, and legal advisors before making any investment decision.
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Property History
$2,275,000
Was $2,375,000
Sep 8, 2026
MLS® 73558439
$2,375,000
Was $2,249,000
Sep 8, 2026
MLS® 73558439
$2,249,000
Was $2,375,000
Sep 8, 2026
MLS® 73558439
$2,375,000
Aug 3, 2026
MLS® 73558439
$2,399,900
Feb 26, 2026
MLS® 73466131
$2,399,900
Jan 7, 2026
MLS® 73466131
Listing Agent: Andrew Stuckey
Listing Office: Penrose Realty
MLS® Number: 73558439