NOT LISTED FOR SALE

310 Flagg Hill Rd Boxborough, MA 01719

Estimated Value: $2,193,057 - $2,639,000

6 Beds
9 Baths
15,556 Sq Ft
$156/Sq Ft Est. Value

Last Sold September 12, 2019

Last sale price $1,459,000 $94 Per Sq Ft

Est. 66% increase in value since last sale

Current estimated payment $15,124/month

637 Days on Market

Highlights

  • Horses Allowed On Property
  • Tennis Courts
  • Sauna
  • Acton-Boxborough Regional High School Rated A+
  • Spa
  • Landscaped Professionally

About This Home

As of September 2019

Complete private, gated estate nestled on top of Flagg Hill surrounded by 286 acres of protected conservation land. Unparalleled views of Mt. Wachusett, sunrises sunsets with abundance of wildlife. Abuts Conservation land with walking trails. Truly one of a kind unique property located in the desirable Middlesex county surrounding towns include Acton, Concord, Stow and Harvard. Minutes drive from Minute Man Air Field. No amenities were spared. Master wing with observatory connected to the office with private balcony.Specialty rooms include Indoor spa/hot tub, weight room, locker room, game room. 12 seated fully functional bar with commercial grade appliances with easy access to the in-ground pool area.Ideal for entertaining, lavish parties, corporate retreats with privacy. Marble dining room floors and counter tops. High ceilings with immense space.4 bay car garage with room for work space and storage.A true feeling of having your own private mountain just outside Boston.

Last Agent to Sell the Property

Jamieson Chalmers

Coldwell Banker Realty - Concord License #449591430 Listed on: 11/02/2017

Last Buyer's Agent

Jamieson Chalmers

Coldwell Banker Realty - Concord License #449591430 Listed on: 11/02/2017

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $29,182

Year Built

  • Built in 1985

Lot Details

  • Kennel
  • Year Round Access
  • Fenced Yard
  • Landscaped Professionally

Parking

  • 4 Car Garage

Interior Spaces

  • Wet Bar
  • Wired For Sound
  • Window Screens
  • French Doors
  • Screened Porch
  • Sauna
  • Basement

Kitchen

  • Indoor Grill
  • Microwave
  • Dishwasher
  • Wine Refrigerator

Flooring

  • Wood
  • Wall to Wall Carpet
  • Marble
  • Tile

Laundry

  • Dryer
  • Washer

Pool

  • Spa
  • Heated Pool

Outdoor Features

  • Tennis Courts
  • Balcony
  • Deck
  • Patio
  • Rain Gutters

Horse Facilities and Amenities

  • Horses Allowed On Property

Utilities

  • Forced Air Heating and Cooling System
  • Heating System Uses Gas
  • Natural Gas Water Heater
  • Private Sewer
  • Cable TV Available

Community Details

  • Security Service

Home Details

Home Type

Single Family

Est. Annual Taxes

$29,182

Year Built

Built in 1985

Lot Details

0

Listing Details

  • Property Type: Single Family
  • Single Family Type: Detached
  • Style: Contemporary
  • Other Agent: 2.50
  • Year Built Description: Actual
  • List Price Per Sq Ft: 118.86
  • Comp Based On: Gross/Full Sale Price
  • Year Built: 1985
  • Lead Paint: Unknown
  • Year Round: Yes
  • Special Features: None
  • Property Sub Type: Detached
  • Year Built: 1985

Interior Features

  • Fireplaces: 6
  • Flooring: Tile, Wall to Wall Carpet, Marble, Hardwood
  • Interior Amenities: Security System, Cable Available, Sauna/Steam/Hot Tub, Wetbar, French Doors, Wired for Surround Sound
  • Appliances: Dishwasher, Microwave, Indoor Grill, Refrigerator, Washer, Dryer, Refrigerator - Wine Storage
  • No Bedrooms: 6
  • Master Bedroom: On Level: First Floor, Dimension: 31X21, Bathroom - Full, Fireplace, Ceiling - Cathedral, Closet - Walk-in, Flooring - Wall to Wall Carpet, Balcony / Deck, Hot Tub / Spa, Dressing Room, Recessed Lighting
  • Bedroom 2: On Level: Second Floor, Dimension: 23X18, Bathroom - Full
  • Bedroom 3: On Level: Second Floor, Dimension: 20X14, Bathroom - Full
  • Bedroom 4: On Level: Second Floor, Dimension: 20X14, Bathroom - Full
  • Bedroom 5: On Level: Basement, Dimension: 18X15
  • Full Bathrooms: 6
  • Half Bathrooms: 3
  • Primary Bathroom: Yes
  • Bathroom 1: Dimension: 16X15, Bathroom - Full
  • No Rooms: 18
  • Dining Room: On Level: First Floor, Dimension: 21X21, Ceiling - Cathedral, Ceiling - Beamed, Flooring - Hardwood, Flooring - Stone/Ceramic Tile, Flooring - Marble
  • Family Room: On Level: First Floor, Dimension: 32X32, Fireplace, Ceiling - Cathedral, Flooring - Hardwood, Flooring - Wood, Balcony / Deck
  • Kitchen: On Level: First Floor, Dimension: 28X22, Skylight, Flooring - Stone/Ceramic Tile, Dining Area, Balcony / Deck, Kitchen Island, Deck - Exterior, Remodeled, Second Dishwasher
  • Laundry: On Level: First Floor
  • Living Room: On Level: First Floor, Dimension: 32X32, Fireplace, Ceiling - Cathedral, Ceiling - Beamed, Flooring - Hardwood, Flooring - Marble, Balcony / Deck, Balcony - Exterior, Wet bar
  • Basement: Y
  • Basement Features: Full, Finished, Walk Out, Interior Access, Garage Access
  • Other Room 1: Name: Exercise Room, On Level: Basement, Dimension: 26X16, Bathroom - Full
  • Other Room 2: Name: Game Room, On Level: Basement, Dimension: 32X32, Fireplace
  • Other Room 3: Name: Second Master Bedroom, On Level: Second Floor, Dimension: 18X12, Bathroom - Full, Closet - Walk-in
  • Other Room 4: Name: 3/4 Bath, Dimension: 18X12, Hot Tub / Spa
  • Other Room 5: Name: Home Office, Dimension: 18X16, Skylight, Balcony / Deck
  • Other Room 6: Name: Other, On Level: Second Floor, Dimension: 34X30, Hot Tub / Spa
  • Main Lo: K95001
  • Main So: K95001
  • Estimated Sq Ft: 15556.00
  • Basement Included Sq Ft: Yes

Exterior Features

  • Construction: Frame
  • Roof Material: Asphalt/Fiberglass Shingles
  • Exterior: Wood, Stone
  • Exterior Features: Porch, Porch - Enclosed, Porch - Screened, Deck, Patio, Balcony, Pool - Inground Heated, Tennis Court, Gutters, Hot Tub/Spa, Professional Landscaping, Screens, Fenced Yard, Horses Permitted, Kennel
  • Foundation: Poured Concrete, Irregular

Garage/Parking

  • Parking Feature: Off-Street, Paved Driveway
  • Parking Spaces: 18
  • Garage Parking: Attached, Under, Garage Door Opener, Heated, Storage, Work Area, Insulated, Oversized Parking
  • Garage Spaces: 4

Utilities

  • Sewer: Private Sewerage
  • Water: Private Water
  • Electric Features: Circuit Breakers, 200 Amps
  • Cooling: Central Air
  • Cooling Zones: 5
  • Heating: Forced Air, Gas
  • Hot Water: Natural Gas
  • Utility Connections: for Gas Range, for Gas Oven, for Gas Dryer, Washer Hookup, Icemaker Connection

Condo/Co-op/Association

  • Amenities: Public Transportation, Shopping, Walk/Jog Trails, Medical Facility, Conservation Area, Highway Access, House of Worship, Private School, Public School, T-Station

Lot Info

  • Assessments: 2172000.00
  • Acre: 8.26
  • Lot Size: 359806.00
  • Page: 493
  • Zoning: Res
  • Lot Description: Wooded, Paved Drive, Gentle Slope, Scenic View(s)

Green Features

  • Energy Features: Insulated Windows, Insulated Doors, Prog. Thermostat, Backup Generator

Tax Info

  • Taxes: 33417.90

Ownership History

Date Name Owned For Owner Type

Purchase Details

Listed on
Nov 2, 2017
Closed on
Sep 11, 2019
Sold by
Cobblestone Mass Nt
Bought by
Huang Gary and Zhang Kaiyan
Seller's Agent
Jamieson Chalmers
Coldwell Banker Realty - Concord
Buyer's Agent
Jamieson Chalmers
Coldwell Banker Realty - Concord
List Price
$1,995,000
Sold Price
$1,459,000
Premium/Discount to List
-$536,000
-26.87%
Current Estimated Value
$2,420,014

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$961,014
Avg. Annual Appreciation
8.49%

Purchase Details

Closed on
Dec 4, 1998
Sold by
Stuart Mary E
Bought by
Cobblestone Mass Nt and Marcheterre Kathleen
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
Collateral Analytics

Collateral Analytics Collateral Analytics AVMs (Automated Valuation Model) employ a number of statistical approaches combined with neighborhood-specific comparable selection guarantees the most up-to-date and precise valuations.

Not Available

Collateral Analytics does not have data for the current month. Please view the chart for historical values.

ICE

ICE Mortgage Technology ICE Mortgage Technology’s AVM (Automated Valuation Model) is a state-of-the-art online residential property valuation tool that provides a quick and accurate estimate of the value of almost any home in the U.S.

Not Available

ICE Mortgage Technology does not have data for the current month. Please view the chart for historical values.

First American

First American First American Data & Analytics’ next-generation AVM combines unrivaled data assets with a blended ensemble of valuation models to produce highly accurate, reliable valuations you can trust.

Not Available

First American does not have data for the current month. Please view the chart for historical values.

Quantarium

Quantarium Quantarium’s valuation service, repeatedly proven the industry’s most accurate and comprehensive, is supercharged with a self-learning and auto-tuning AI engine that continually becomes smarter and more accurate as it processes daily inputs from the industry’s leading RE data lake.

Not Available

Quantarium does not have data for the current month. Please view the chart for historical values.

Average Value
Not Available
List Price
Sold Price
Create a Home Valuation Report for This Property
The Home Valuation Report is an in-depth analysis detailing your home's value as well as a comparison with similar homes in the area

Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Purchase History

Date Buyer Sale Price Title Company
Huang Gary $1,459,000 --
Cobblestone Mass Nt $2,200,000 --
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft
09/12/2019 09/12/19 Sold $1,459,000 -21.1% $94 / Sq Ft
08/01/2019 08/01/19 Pending -- -- --
12/18/2018 12/18/18 Price Changed $1,849,000 -7.3% $119 / Sq Ft
11/02/2017 11/02/17 For Sale $1,995,000 -- $128 / Sq Ft
Source: MLS Property Information Network (MLS PIN)

Tax History Compared to Growth

Source: Public Records

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $29,182 $1,927,500 $750,400 $1,177,100
2024 $29,802 $1,988,100 $738,400 $1,249,700
2023 $27,666 $1,782,600 $706,000 $1,076,600
2022 $29,640 $1,701,500 $706,000 $995,500
2020 $26,155 $1,564,300 $706,000 $858,300
2019 $33,418 $2,035,200 $706,000 $1,329,200
2018 $35,691 $2,171,000 $560,900 $1,610,100
2017 $36,511 $2,172,000 $560,900 $1,611,100
2016 $35,596 $2,175,800 $560,900 $1,614,900
2015 $34,011 $2,042,700 $504,600 $1,538,100
2014 $36,192 $2,045,900 $497,800 $1,548,100
Source: Public Records

Agents Affiliated with this Home

See All Agents

Map

Source: MLS Property Information Network (MLS PIN)

MLS Number: 72251155

MLS Property Information Network (MLS PIN)

APN: BOXB-000020-000028