Rob Sullivan
Rob Sullivan  
About Rob

Licensed sales agent for 9 years Hope you will take advantage of my vast real estate and business knowledge to assist you in buying your dream home! I have owned and sold residential and...

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(78 reviews)
Rob is an excellent professional. He loves what he does and he showed it throughout the buying process! As a first time home buyer there were a lot things that I didn't...

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For Sale:$14,900,000
Monthly Payment:
Principal & Interest:
HOA Dues:
(Based on a 30 year fixed loan at 3.38% with $2,980,000 down)
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421 Main Street

Osterville, MA 02655

Barnstable School District
9bed 9bath 2pt. baths 11,578sq ft $1,287 / sq ft SFR
Lot Size6.9acre Built1928 On site152days
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Lot Size: APN:
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Overlooking the beautiful waters of East Bay and Nantucket Sound sits this sophisticated yet intimate waterfront estate. The current owners completely renovated the 11,578 sq.ft. home from stem to stern with the highest grade materials and exceptional craftsmanship. Interior spaces are bathed in natural light with beautifully balanced living areas all oriented toward the water. You'll find a welcoming foyer with original wood floors, living and dining rooms with custom fireplaces, a spacious, well-equipped kitchen and a handsome library with hand pegged wood. Casual spaces for family and friends include a family room, sunroom and enclosed porch. The second level offers 2 master suites and 7 additional bedrooms. An expansive lawn, in-ground pool and scores of privacy trees dress the 6.86 acre site. A custom beach house enhances the private dock. The property offers a detached 5 car garage with a 3 bedroom carriage house above and a separate parcel with a 2 bedroom cottage.
Walk Score®:
Last Checked For Updates: 4 hours 57 minutes We update property info including price, photos, sale status and more as soon as it’s available. Here’s how we stay up-to-date. ago Status: Active Views: 14
MLS #21607681 , Listed on 09/26/16 by ROBERT PAUL PROPERTIES, INC.
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MLS Listing Information for 421 Main Street

Interior Features


  • Laundry Area
  • Dryer - Electric
  • Dry/Hu-e
  • Hu Washer

Floor Coverings

  • Hardwood
  • Tile
  • Carpet

Living Room

  • Fireplace
  • French/Patio Door
  • Patio
  • Sliding Door
  • Wood Floor


  • 5 Fireplaces


  • Countertop Range
  • Dishwasher
  • Microwave
  • Range Gas
  • Refrigerator
  • Wall/Oven Cook Top
  • On First Floor
  • Kitchen Dining Combo
  • Breakfast Bar
  • Kitchen Island
  • Laundry Area
  • Pantry
  • Patio
  • Sliding Door
  • Tile Floor


  • Master Bedroom: On Second Floor
  • Private Master Bath
  • View
  • Walk in Closet
  • Wood Floor; Second Bedroom: On Second Floor
  • Balcony
  • Dressing Room
  • Private Master Bath
  • Wood Floor; Third Bedroom: On Second Floor
  • Ceiling Fan
  • Private Master Bath
  • View
  • Walk in Closet
  • Wood Floor; Fourth Bedtoom: On Second Floor
  • Closet
  • Private Master Bath
  • View
  • Wood Floor


  • Interior Access
  • Partial

Dining Room

  • Fireplace
  • French/Patio Door
  • Sliding Door
  • Wood Floor

Misc. Rooms

  • Sun Room
  • Library
  • 2nd Kitchen

Exterior Features


  • Detached Garage
  • Garage Door Opener
  • Carriage Shed
  • Off-Street
  • Paved Driveway
  • 5 Spaces

Pool Type

  • Gunite
  • Heated
  • Pool House


  • Bay
  • Nantucket
  • Ocean
  • Private
  • Salt Water


  • Concrete


  • Shingle

Lot Description

  • Cleared
  • Level
  • View


  • Hot Tub/Spa

Other Buildings

  • Detached Living Quarters


  • Water View

Roof Type

  • Asphalt


  • Outdoor Shower
  • Deck
  • Patio
  • Garden
  • Screened Porch
  • Yard

Lot Size

  • 6.9 Acres



  • Forced Hot Air


  • Central Air


  • Town Water

Additional Information


  • Barnstable

Current Taxes

  • 67746

Listing Broker



  • Security Alarm(s)
  • Attic Storage
  • HU Cable TV
  • Pantry
  • Walk-In Closet
  • Wet Bar


  • 0

Community Rec.

  • Golf Course
  • House of Worship
  • Marina
  • School
  • Shopping


  • Residential

Price History for 421 Main Street

Date Event Price Source
09/26/16 New Listing $14,900,000 CAPE COD

Schools Information

From Public Records
School District: Score      
Barnstable School District

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Monthly Payment**:
Principal & Interest:
HOA Dues: $0
Loan Type Rate APR
30 yr fixed 3.38% 3.45%
15 yr fixed 2.75% 2.75%
5/1 ARM 2.63% 3.13%
Updated Mar 23, 2016   Disclosures

Your Local Real Estate Agent

Rob Sullivan
  • 508.789.3527
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    Rob is an excellent professional. He loves what he does and he showed it...   

    5 star review by Lolanda B. on 05/03/16

Nearby Homes For Sale

Houses for sale near 421 MAIN ST
421 Main Street, Osterville, MA 02655 is a 9 bedroom, 11 bathroom property for sale. This Osterville, MA Single Family home has a lot size of 6.9 Acres and has been on for 152 days. 421 Main Street was built in 1928 and is currently listed for $14,900,000.

The 421 Main Street Osterville, MA 02655 listing is provided courtesy of ROBERT PAUL PROPERTIES, INC.. Want to find more homes for sale near you? On, you can view all Osterville MLS listings, see property photos, find a real estate agent and more. We update our real estate listings every 2 minutes, so your MLS search results are current and complete.
Local real estate services provided by:
Coldwell Banker Residential Brokerage
Coldwell Banker Residential Brokerage
52 Second Ave, 3rd Floor
Waltham, MA 02451

Website provided and owned by Coldwell Banker Residential Brokerage.
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The information being provided by CAPE COD and Islands Multiple Listings Service, Inc. is for the consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing. Any information relating to real estate for sale referenced on this web site comes from the Internet Data Exchange (IDX) program of the CAPE COD and Islands Multiple Listings Service, Inc.. Coldwell Banker Residential Brokerage is not a Multiple Listing Service (MLS), nor does it offer MLS access. This website is a service of Coldwell Banker Residential Brokerage, a broker participant of CAPE COD and Islands Multiple Listings Service, Inc.. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site.

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Data last updated: Thursday, February 23, 2017 at 7:35 PM. Properties in listings may have been sold or may no longer be available.