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Costello Fine Homes

163 Front Street
Marion, MA 02738
8 West Bay Rd.
Osterville, MA 02738
Company Profile: 


Costello Fine Homes (CFH) is a high-end custom building company specializing in new homes, additions and renovations with a focus on Cape Cod and the South Coast of Massachusetts. Discerning homeowners and leading architects alike have come to rely on CFH for their exquisite attention to detail, craftsmanship and comprehensive knowledge of master home-building.

With over 24 years of experience and a team that consistently produces only the highest quality craftsmanship, CFH continues to cultivate lasting client relationships and deliver a product that exceeds the expectations of even the most sophisticated homeowners.  

As the company has grown, owner Tim Costello has developed two of the most valuable tools for successful client partnerships — a discerning ability to understand his client’s vision for their home and the intuitive problem solving skills necessary to deliver it. These tools inspire CFH’s outstanding custom capabilities, with a diverse portfolio of residential projects across the region that represent collaborations with some of the most talented carpenters, woodworks, and architects in the country.


As Featured In...

Sea-Dar construction, secondary spaces
1. A Rooftop City Oasis with a Living Plant Wall: Sea-Dar Construction You would never think this serene spa and courtyard sits right in the middle of Boston. A true urban escape, this rooftop retreat features a custom made spa with custom-designed living moss wall mural that thrives in its perfectly-positioned home beneath an existing skylight. Limestone walls and light ashwood sconces frame the...
Saltonstall Architects; Costello Fine Homes; Mac Davis Flooring; Bartlett Gardens; Surroundings; Designer Garage Doors
Situated on a verdant stretch of lawn overlooking the harbor, this expansive Mattapoisett retreat started out as a potential teardown. Yet the current homeowners, who live year-round in Texas, saw that it was possible to preserve the integrity and footprint of the original two-bedroom structure while reconfiguring the floor plan and adding essential square footage. The husband grew up summering...
Mattapoiset Tea House, front exterior.
What’s the one thing you need for your waterside retreat? A separate tea house where you can escape and relax. With peaceful views, open space and a fireplace, this ladies getaway is the spectacular opposite of a man cave. The Texas clients, a family with grandchildren to entertain, envisioned a haven to enjoy during the summers. They nestled into their Mattapoisett vacation home in the summer of...
outdoor party setting
In celebration of the Cape & Islands Design Guide To mark the launch of the annual Cape & Islands Design Guide, the BDG team hosted a late August afternoon event at the Green Pond Yacht Club in East Falmouth. The day was blissfully beautiful, with high temperatures and a light breeze off of the ocean. Guests came from all over the Cape & Islands, and several traveled from Boston and...
Butler's pantry converted from a bank vault with tin ceilings and white cabinets
A renovation transforms this space from business to pleasure.  Warm metals, tin ceiling tiles, and a mirrored backsplash transformed this bank vault into a jewel box. Previously an old bank, the building was renovated into a house and the homeowners wanted to live with some of its original detailing. They contracted Timothy Costello, owner of Costello Fine Homes and Bill Barr, an interior...
Nickel gap wood paneling lines a custom hallway by McCormack Builders
Coin shortage? What coin shortage? Homeowners everywhere are loving the look of nickel gap wood treatments. While this type of cladding looks similar to shiplap, it’s a little different in that it uses tongue and groove boards that conceal nails for a smoother overall look. The gap between each board is consistent and, you guessed it, about the width of a nickel.  Construction by Costello Fine...