You won't see it from the road. The drone almost missed it too — 48 Black Flats Road sits so far back under the trees that it barely shows up from above, until the trees open up and there's nearly two acres in front of you, Cape Cod Bay flashing beyond the marsh toward Mayflower and Bay View. But the real reason to know this address has never been about square footage. This corner of Dennis grew up around one family's businesses — Roses Italian restaurant, Thelma's gift shop, mini-golf, and a handful of little cottages for rent — and for generations, everything here revolved around them. A lot of us were chambermaids at some point, cleaning cottages between guests. It was the kind of place where everybody knew your name — you didn't have to be related, you just became part of the summer family. Most of those landmarks are gone now, but they're still very much alive in people's hearts. It's hard to find anyone who grew up around here who doesn't have a memory tied to this stretch of Dennis — or who hasn't discovered, years later, that the house they live in now was once one of those cottages. A lot of us still have some small treasure from Thelma's, bought with our own money, tucked away in a memory box somewhere. This is a special neighborhood, and 48 Black Flats sat right in the middle of all of it. Owning almost two acres here means carrying a piece of that Dennis folklore forward. The house itself: a solid 1972 Garrison Colonial, about 2,100 square feet, four bedrooms, good-sized rooms, a real fireplace, mudroom, laundry, traditional layout. Roof, windows, and systems are all original and all working — it hasn't been renovated, but it's been cared for. Move in as-is, rent it out for a strong summer income, or take a big, solid house on nearly two private acres and make it your own. Nearly two acres across two parcels, a long driveway that keeps you completely tucked away from the road, and a wide clearing around the house with room for a pool, gardens, whatever you're picturing. The beach is about six-tenths of a mile away as the crow flies — a bit longer on foot following the drive out, an easy bike ride any summer morning. The house needs some updating. The story behind it doesn't A few practical notes: town water, R-60 zoning, and part of the property sits in FEMA Flood Zone AE — buyers should do their own due diligence on insurance, septic, and zoning.
For sale
Price cut: $149.9K (9/15)
$1,250,000
48 Black Flats Road, Dennis, MA 02638
4beds
2,100sqft
Single Family Residence
Built in 1972
1.71 Acres Lot
$1,185,500 Zestimate®
$595/sqft
$-- HOA
What's special
Real fireplaceRoom for a poolTraditional layoutGood-sized roomsFour bedrooms
- 22 days
- 2,113
- 100
Zillow last checked:
Listing updated:
Listed by:
Lisa A Griffin 774-212-1525,
Gibson Sotheby's International Realty
Source: CCIMLS,MLS#: 22604295
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 2
- Full bathrooms: 2
Heating
- Oil
Cooling
- None
Appliances
- Included: Dishwasher, Microwave, Electric Range, Refrigerator, Range Hood, Washer, Oil, Water Heater
- Laundry: Electric Dryer, Electric Dryer Hookup, Washer Hookup
Features
- Attic Storage, HU Cable TV, Linen Closet, Pantry, Recessed Lighting
- Flooring: Hardwood, Vinyl, Tile, Carpet
- Basement: Full
- Number of fireplaces: 1
Interior area
- Total structure area: 2,100
- Total interior livable area: 2,100 sqft
Property
Parking
- Total spaces: 14
- Parking features: Direct Access, Storage, Unpaved, Gravel
- Attached garage spaces: 1
Features
- Stories: 2
- Patio & porch: Deck
- Exterior features: Outdoor Shower
- Fencing: None
Lot
- Size: 1.71 Acres
- Features: Interior Lot, Wooded, Cleared, Level, Views
Details
- Additional structures: Other
- Parcel number: DENN M:325 B: L:150
- Special conditions: None
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Clapboard, Shingle Siding
- Roof: Asphalt,Pitched,Shingle
Condition
- Year built: 1972
Utilities & green energy
- Water: Public
Community & HOA
Location
- Region: Dennis
Financial & listing details
- Price per square foot: $595/sqft
- Tax assessed value: $1,108,700
- Annual tax amount: $4,756
- Date on market: 8/31/2026
- Cumulative days on market: 22 days
Estimated market value
$1,185,500
$1.13M - $1.24M
$3,228/mo
Price history
| Date | Event | Price |
|---|---|---|
| 9/15/2026 | Price change | $1,250,000-10.7%$595/sqft |
Source: MLS PIN #73570291 Report a problem | ||
| 8/31/2026 | Listed for sale | $1,399,900$667/sqft |
Source: | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $4,598 -0.4% | $1,061,900 +1% |
| 2024 | $4,616 +3.4% | $1,051,500 +10% |
| 2023 | $4,464 +0.4% | $955,900 +20.4% |
| 2022 | $4,447 +0.5% | $794,100 +8.2% |
| 2021 | $4,426 +10.9% | $734,000 +12.1% |
| 2020 | $3,992 +0.5% | $654,500 +1.7% |
| 2019 | $3,971 +5.5% | $643,600 +8.4% |
| 2018 | $3,765 +3.1% | $593,900 |
| 2017 | $3,652 -0.2% | $593,900 +6% |
| 2016 | $3,658 +2% | $560,200 |
| 2015 | $3,585 +26.5% | $560,200 +25.5% |
| 2014 | $2,833 +3.7% | $446,200 -0.5% |
| 2013 | $2,731 +3% | $448,500 -0.5% |
| 2012 | $2,651 +0.5% | $450,900 -4.5% |
| 2011 | $2,639 -5.9% | $472,100 -11.2% |
| 2010 | $2,803 -1.1% | $531,900 -4.8% |
| 2009 | $2,833 +25.6% | $558,700 +7.8% |
| 2008 | $2,255 +3.2% | $518,300 -0.4% |
| 2007 | $2,186 -2.8% | $520,400 -1.4% |
| 2006 | $2,248 -2.3% | $527,700 +4.8% |
| 2005 | $2,301 +7.1% | $503,600 +14.2% |
| 2004 | $2,148 +15.3% | $441,100 +35.2% |
| 2003 | $1,863 +6% | $326,200 +39.9% |
| 2001 | $1,758 | $233,100 |
Find assessor info on the county website
Monthly payment
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