SOLD MAY 28, 2026

Sold on May 2026

$1,530,000

•

5,055

sq ft

6661 Irwin Spimpson Rd, Mason, OH 45040

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About this home

Public Remarks: Experience an extraordinary Deerfield Township estate on over three acres, blending Cape Cod charm with lodge-like luxury. Spanning more than 5,000 sq. ft., it features a grand great room with fireplace, chef's kitchen, formal dining with butler's pantry, and an elegant office. The main-floor owner's suite offers a spa bath, walk-in closet, and easy access to laundry and mudroom. A three-season room overlooks the pool and landscaped grounds. The walk-out lower level includes three bedrooms, a bar, and direct access to an outdoor retreat with pool, hot tub, covered patio, and koi pond. A four-car garage with pet wash, bonus suite, shed, and basketball court complete this exceptional property.

Single-familyProperty Type

2015Year Built

3.41 acresLot Size

$303Price/Sq.Ft.

4 car garageParking

Listed by Brian Sharp • Berkshire Hathaway HomeService

•937-776-7489 (agent)

•soldbybriansharp@gmail.com (agent)

•513-755-4400 (broker)

•sfsold@live.com (broker)

Bought with Marc Cameron • Sibcy Cline, Inc.

•513-777-8100 (broker)

•mfrancy@sibcycline.com (broker)

Bought with Helena Cameron • Sibcy Cline, Inc.

•513-777-8100 (broker)

•mfrancy@sibcycline.com (broker)

Redfin checked: a few seconds ago

•Source:Cincy MLS #1875600

Redfin Estimate

$1,409,208

$121K since sold in May 2026$11K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 45.4% higher than the average sale price ($969K) of 6 comparable homes.

SOLD JUL 7, 2026
$642,000
A
4 beds3.5 baths3,448 sq ft
8706 Charleston Ridge Dr, Mason, OH 45040
SOLD MAY 27, 2026
$937,726
B
4 beds4.5 baths— sq ft
9509 Butler Warren Rd, West Chester, OH 45069
SOLD SEP 5, 2025
$1,400,000
C
4 beds5 baths— sq ft
8926 Suncrest Ln, Mason, OH 45040
SOLD DEC 19, 2025
$1,175,000
D
5 beds6.5 baths6,232 sq ft
8905 Suncrest Ln, Mason, OH 45040
SOLD SEP 16, 2025
$1,037,767
E
5 beds4.5 baths3,888 sq ft
8894 Suncrest Ln, Mason, OH 45040
SOLD JUL 24, 2026
$624,000
F
4 beds3 baths3,128 sq ft
6716 Charleston Run Ct, Mason, OH 45040

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Market trends in 45040, OH

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.7%

0.0% MoM

Median sale price

$512K

$13K MoM

Avg. days on market

44d

1 days MoM

Recently sold homes

243

4 MoM

New listings for sale

NEW 32 HRS AGO
$309,900
3 beds2 baths1,633 sq ft
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COMING SOON
$242,000
2 beds1 bath875 sq ft
619 Western Ave, Mason, OH 45040
$205,000
3 beds1.5 baths986 sq ft
492 Glencoe Ct, Mason, OH 45040
$475,000
4 beds3 baths2,747 sq ft
9899 Cedar Knoll Dr, Mason, OH 45040
$320,000
3 beds2 baths1,504 sq ft
5370 Harbourwatch Way #301, Mason, OH 45040
$950,000
5 beds4.5 baths4,303 sq ft
5143 Whispering Springs Rd, Mason, OH 45040
$630,000
4 beds3 baths3,889 sq ft
3564 Dunlop Ct, Mason, OH 45040
$249,500
2 beds2 baths1,132 sq ft
4906 Bordeaux Ln, Mason, OH 45040
$289,900
3 beds2.5 baths1,821 sq ft
5132 Franklin Park St, Mason, OH 45040
3D WALKTHROUGH
$434,900
4 beds2.5 baths2,254 sq ft
3783 Irwin Simpson Rd, Mason, OH 45040
See all

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Rental estimate

Est. $6,618 per month, based on comparable rentals

Sale and tax history for 6661 Irwin Spimpson Rd

Sale History
Tax History

Date

Event

Price

Dayton MLS #956735

May 28, 2026

Sold

$1,530,000

$303/sq ft

Apr 19, 2026

Pending

—

Apr 16, 2026

Listed

$1,530,000

$303/sq ft

+93

Discover an extraordinary estate in Deerfield Township, gracefully situated on over three acres, offering a harmonious blend of traditional Cape Cod charm and lodge-like luxury. This expansive residence boasts over 5000 square feet of meticulously designed living space across its main and walk-out lower levels. A sprawling front porch, featuring gazebo-like styling, provides an inviting space for relaxation. Inside, an elegant office with built-in cabinetry awaits just off the entry, perfectly balanced by a formal dining room with an attached butler's pantry, ideal for sophisticated entertaining. The heart of the home is a grand great room, complete with a gas fireplace, seamlessly flowing into a chef's kitchen and casual dining area. The main floor also hosts a luxurious owner's suite, featuring an attached bath, a spacious walk-in closet, and convenient access to the laundry and mudroom. A three-season room extends from the great room, offering serene views of the pool and the expansive rear property. The lower level is an entertainer's dream, presenting three additional bedrooms, each with either an en-suite or adjacent bath, and generous closet space. A large entertaining area on this level is complemented by a built-in bar, with direct access to an outdoor oasis that includes a covered patio, a sparkling pool, a relaxing hot tub, and a stocked Koi pond. The property is beautifully landscaped with stunning flowering trees, enhancing its natural beauty. Practical amenities include a four-car attached side-entry garage with a dedicated pet washing station. Above the garage, a versatile bonus room with a half bath offers potential for a rental space with a separate entry, as it is plumbed for a shower. A detached storage shed and a basketball court further enhance this magnificent estate, making it an ideal setting for family enjoyment, corporate gatherings, or entertaining friends.

Cincy MLS #1875600

May 28, 2026

Sold

$1,530,000

$303/sq ft

Apr 20, 2026

Contingent

—

Apr 16, 2026

Listed

$1,530,000

$303/sq ft

Cincy MLS #775920

Jun 7, 2002

Sold

$315,000

$62/sq ft

Jan 25, 2002

Listed

$348,000

$69/sq ft

Public Records

Sep 5, 1996

Sold

$290,000

$57/sq ft

Public Records

Nov 30, 1993

Sold

$59,000

$12/sq ft

Public Records

Sep 27, 1985

Sold

$27,400

$5/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$11,429 (−0.6%)

$70,230 + $182,540

$252,770

2024

$11,493 (+100.2%)

$70,230 + $182,540

$252,770

2023

$5,740 (−50.0%)

$46,554 + $165,288

$211,842

2022

$11,480 (+5.0%)

$46,554 + $165,288

$211,842

2021

$10,938 (+4.0%)

$46,554 + $165,288

$211,842

2020

$10,520 (+7.3%)

$37,849 + $134,379

$172,228

2019

$9,801 (−0.4%)

$37,849 + $134,379

$172,228

2018

$9,838 (+4.2%)

$37,849 + $134,379

$172,228

2017

$9,439 (+10.0%)

$19,996 + $132,087

$152,083

2016

$8,582 (+600.0%)

$19,996 + $121,839

$141,835

2014

$1,226 (−80.6%)

$18,666

2013

$6,335

$18,666 + $80,066

$98,732

Public record

Beds

Baths

4.5

Stories

—

Lot width

—

Lot depth

—

Lot size

3.41 Acres

Year renovated

—

Sq. Ft.

4,460

Year built

2015

Style

Single Family Residential

County

Warren County

APN

15021260100

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 25, 2026.

Property details

Parking

Parking Information
# of Garage Spaces: 4
Garage/Carport: Side
Parking Features: Driveway

Interior

Virtual Tour

Accessibility Information
Bedroom Level 1: Yes
Bathroom Level 1: Yes
Bathroom Level 1 Type: Full, Partial

Bathroom Information
# of Bathrooms (1/2): 2
# of Bathrooms (Full): 4
Bath 1: Full
Bath 1 Level: 1
Bath 2: Full
Bath 2 Level: Lower
Bath 3: Full
Bath 3 Level: Lower
Bath 4: Full
Bath 4 Level: Lower
Primary Bathroom: Shower, Tub

Bedroom Information
# of Bedrooms Total: 4
Primary Bedroom: 17x17 Level: 1
Primary Bedroom Area: 289
Primary Bedroom Dimensions: 17 x 17
Primary Bedroom Length: 17
Primary Bedroom Width: 17
Bedroom 2: 17x14 Level: Lower
Bedroom 2 Area: 238
Bedroom 2 Dimensions: 17 x 14
Bedroom 2 Length: 17
Bedroom 2 Width: 14
Bedroom 3: 14x14 Level: Lower
Bedroom 3 Area: 196
Bedroom 3 Dimensions: 14 x 14
Bedroom 3 Length: 14
Bedroom 3 Width: 14
Bedroom 4: 13x13 Level: Lower
Bedroom 4 Area: 169
Bedroom 4 Dimensions: 13 x 13
Bedroom 4 Length: 13
Bedroom 4 Width: 13

Den/Recreation Room Information
Recreation Room: 35x13 Level: 2
Recreation Room Area: 455
Recreation Room Dimensions: 35 x 13
Recreation Room Length: 35
Recreation Room Width: 13
Study (Lib/Den): 12x12 Level: 1
Study Features: Bookcases
Study/Library/Den Area: 144
Study/Library/Den Dimensions: 12 x 12
Study/Library/Den Length: 12
Study Library/Den Width: 12

Kitchen/Dining Room Information
Kitchen Features: Butler's Pantry, Eat-In, Gourmet, Island, Marble/Granite/Slate
Kitchen Area: 400
Kitchen Dimensions: 20 x 20
Kitchen Length: 20
Kitchen Width: 20
Breakfast Room: 17x17 Level: 1
Breakfast Room Area: 289
Breakfast Room Dimension: 17 x 17
Breakfast Room Length: 17
Breakfast Room Width: 17
Dining Room: 16x16 Level: 1
Dining Room Features: Chandelier, Wood Floor
Dining Room Area: 256
Dining Room Dimensions: 16 x 16
Dining Room Length: 16
Dining Room Width: 16

Living Room/Family Room Information
Family Room Features: Bookcases, Wall-to-Wall Carpet
Family Room Area: 735
Family Room Dimensions: 35 x 21
Family Room Length: 35
Family Room Width: 21
Great Room: 19x17 Level: 1

Other Room Information
Entry (Foyer): Wood Floor
Entry: 9x8 Level: 1
Entry Area: 72
Laundry Room: 23x8 Level: 1
Laundry Room Area: 184
Laundry Room Dimensions: 23 x 8
Laundry Room Length: 23
Laundry Room Width: 8
Basement: Full
Basement Features: WW Carpet
Basement Sq. Ft. (Realist): 1,896

Interior Features
# of Rooms (Total): 12
Interior Features: 9Ft + Ceiling, Beam Ceiling, Multi Panel Doors, Natural Woodwork
Appliances: Dishwasher, Dryer, Garbage Disposal, Microwave, Oven/Range, Refrigerator, Washer

Exterior

Exterior Features
Exterior Features: Covered Deck/Patio, Hot Tub, Tiered Deck
Fencing: Vinyl
Roof: Shingle
Construction Materials: Stone, Vinyl Siding
Window Features: Double Hung, Vinyl

Land Information
Land Description: 1 to 4.9 Acres
Zoning Details: Residential

Lot Information
Lot Area (Realist): 148,413
Lot Size Dimensions: 259 x 574
Lot Size Units: Acres
Lot Size Acres: 3.4071
Lot Size Sq. Ft.: 148,413

Property Information
Architectural Style: Cape Cod, Traditional
Buildings: Shed
MechanicalSystems: Garage Door Opener, Security System, Sump Pump w/Backup
Pool: Heated, In-Ground
Single Family Desc: Single Family
Foundation Details: Poured
Census Tract Realist: 320.04
Miscellaneous: 220 Volt, Attic Storage, Ceiling Fan

Financial

Tax Information
Semi-Annual Taxes: $5,715
Tax Abatement: No
Parcel Number: 1502126010

Lease & Rent Information
Lease Considered: No

Utilities

Utility Information
Water Source: Public
Cooling: Central Air
Gas: Propane
Heating: Geothermal
Sewer: Public Sewer
Water Heating: Electric, Propane

Location

Homeowners Association Information
HOA: No

School Information
High School District: Mason City SD

Location Details
Access: City Street
Suburb: Deerfield Twp.
Directions: Mason-Montgomery Rd. to Irwin Simpson Rd.

Public facts

Beds: 4
Baths: 4.5
Sq. Ft.: 4,460
Stories: —
Lot Size: 3.41 acres
Style: Single Family Residential
Year Built: 2015
Year Renovated: —
County: Warren County
APN: 15021260100

Home facts updated by county records on Aug 25, 2026

Other

Listing Information
Listing URL: Listing URL (External Link)
Auction: No
FIPS Code: 165
Picture Provided By: Photo Supplied

Around this home

Schools

Mason Intermediate Elementary School

Public 3-6 • Assigned • 3.3mi

9/10

Mason Middle School

Public 7-8 • Assigned • 3.3mi

8/10

William Mason High School

Public 9-12 • Assigned • 3.7mi

9/10

Provided by GreatSchools

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

4/10 Heat Factor

7 days above 102° expected this year, 18 days in 30 years

2/10 Wind Factor

1% chance of strong winds in next 30 years

4/10 Air Factor

5 unhealthy days expected this year, 7 days in 30 years

Provided by First Street

Historical weather

Mason, OH • 45040

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

97/ 100

Exceptional sunlight

Sunscore

There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

10.6 hrs

6.6 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.34M – $1.62M

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Listing provided by Zillow

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Home values near 6661 Irwin Spimpson Rd

Data from public records.

Address	Redfin Estimate
6740 Irwin Simpson Rd, Mason, OH 2 Beds \| 1 Baths \| 868 Sq. Ft.	$304,348
6615 Irwin Simpson Rd, Mason, OH - Beds \| - Baths \| - Sq. Ft.	$502,469

Address	Redfin Estimate
6585 Irwin Simpson Rd, Mason, OH 4 Beds \| 3.5 Baths \| 4960 Sq. Ft.	$1,099,301
6666 Irwin Simpson Rd, Mason, OH 3 Beds \| 1 Baths \| 3108 Sq. Ft.	$585,268

Address	Redfin Estimate
6675 Irwin Simpson Rd, Mason, OH - Beds \| - Baths \| - Sq. Ft.	$534,613
6749 Irwin Simpson Rd, Mason, OH - Beds \| - Baths \| - Sq. Ft.	$483,893

Property information provided by Cincy MLS when last listed in 2026. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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6661 Irwin Spimpson Rd, Mason, OH 45040

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About this home

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Market trends in 45040, OH

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Sale and tax history for 6661 Irwin Spimpson Rd

Public record

Property details

Parking

Interior

Exterior

Financial

Utilities

Location

Public facts

Other

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