Google street view image for 12 Billow Rd, Old Saybrook, CT 06475

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SOLD

$6,571,144

Est. refi paymentEst. refi $4,343/mo

•

6.5 ba

•

12,023

sq ft

12 Billow Rd, Old Saybrook, CT 06475

About this home

Long island sound landmark. Goe. Beach house, formerly known as the castle is atudor style stone mansion overlooking the sound. Restoration is required to bring it to its previous glory. A magical spot1

Multi-familyProperty Type

1908Year Built

1.07 acresLot Size

$547Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$6,571,144

$4.5M since sold in January 2007$16K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 298.9% higher than the average sale price ($1.65M) of 6 comparable homes.

BOUGHT WITH REDFIN JUN 15, 2026
$935,000
A
4 beds3 baths2,516 sq ft
24 Cottage Pl, Old Saybrook, CT 06475
SOLD JUN 10, 2026
$1,440,000
B
4 beds3.5 baths2,413 sq ft
7 Ridge Rd, Old Saybrook, CT 06475
SOLD JAN 30, 2026
$840,000
C
5 beds3 baths2,898 sq ft
26 College St, Old Saybrook, CT 06475
SOLD DEC 2, 2025
$995,000
D
5 beds3.5 baths3,184 sq ft
18 Cottage Pl, Old Saybrook, CT 06475
SOLD OCT 16, 2025
$4,900,000
E
6 beds3.5 baths6,182 sq ft
151 Kingfisher Ln, Westbrook, CT 06498
SOLD JUL 6, 2026
$775,000
F
4 beds2.5 baths2,361 sq ft
126 Magna Ln, Westbrook, CT 06498

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$6,191,876

Est. take-home

List your home with Redfin and save $65,711

Refinance

Est. cash available

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Market trends in 06475, CT

Last updated August 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-List Price

100.0%

+0.1% MoM

Median sale price

$694K

$36K MoM

Avg. days on market

60d

20 days MoM

Recently sold homes

4 MoM

New listings for sale

OPEN SAT, 11AM TO 1PM
$899,000
4 beds1.5 baths1,706 sq ft
30 Neptune Dr, Old Saybrook, CT 06475
OPEN FRI, 4PM TO 6PM
$799,900
4 beds3 baths2,496 sq ft
3 Anchorage Ln, Old Saybrook, CT 06475
COMING SOON
$1,380,000
5 beds3 baths2,969 sq ft
46 Fenwood Grove Rd, Old Saybrook, CT 06475
$789,900
2 beds3.5 baths1,565 sq ft
25 Sunset Rd #18, Old Saybrook, CT 06475
OPEN SUN, 11AM TO 1PM
$795,000
3 beds1 bath2,002 sq ft
5 Tudor Ct E, Old Saybrook, CT 06475
COMING SOON
$699,900
3 beds2 baths1,913 sq ft
6 Willard St, Old Saybrook, CT 06475
COMING SOON
$550,000
3 beds3 baths1,296 sq ft
61 Springbrook Rd, Old Saybrook, CT 06475
$2,200,000
4 beds3.5 baths2,734 sq ft
138 N Cove Rd, Old Saybrook, CT 06475
$1,550,000
4 beds3 baths3,188 sq ft
108 Maple Ave, Old Saybrook, CT 06475
$499,999
3 beds1 bath2,718 sq ft
35 School House Rd, Old Saybrook, CT 06475
See all

Provided by Redfin

Sale history for 12 Billow Rd

Date

Event

Price

Smart MLS #24076254

Feb 24, 2025

Listed

$7,749,000

$645/sq ft

Feb 24, 2025

Listing Removed

—

Smart MLS #24017928

Nov 21, 2024

Listing Removed

—

Sep 20, 2024

Relisted

—

Sep 20, 2024

Listing Removed

—

Jun 19, 2024

Listed

$7,749,000

$645/sq ft

Smart MLS #G591151

Jul 5, 2012

Listing Removed

—

May 5, 2011

Listed

$2,300,000

$191/sq ft

Smart MLS #G567026

Jul 5, 2012

Listing Removed

—

Jul 8, 2010

Listed

$3,999,900

$333/sq ft

Smart MLS #G521907

Oct 1, 2010

Listing Removed

—

Mar 2, 2009

Listed

$4,700,000

$391/sq ft

Smart MLS #G474205

Oct 2, 2007

Listing Removed

—

Sep 20, 2007

Listed

$5,900,000

$491/sq ft

Public Records

Jan 11, 2007

Sold

$2,051,500

$171/sq ft

Smart MLS #M9099696

Sep 18, 2006

Listed

$2,150,000

$179/sq ft

Public Records

Dec 1, 2005

Sold

$2,075,000

$173/sq ft

Public Records

Dec 3, 1999

Sold

$2,250,000

$187/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$50,051 (+1.8%)

$673,500 + $1,774,000

$2,447,500

2022

$49,146 (+0.2%)

$673,500 + $1,774,000

$2,447,500

2021

$49,072

$673,500 + $1,774,000

$2,447,500

2020

$49,072 (+1.5%)

$673,500 + $1,774,000

$2,447,500

2019

$48,340 (+0.5%)

$673,600 + $1,774,000

$2,447,600

2018

$48,079 (−0.3%)

$734,700 + $1,718,300

$2,453,000

2017

$48,226 (+2.1%)

$734,700 + $1,718,300

$2,453,000

2016

$47,245 (+4.1%)

$734,700 + $1,718,300

$2,453,000

2014

$45,381 (−5.6%)

$734,700 + $1,718,300

$2,453,000

2011

$48,084

$934,500 + $2,228,900

$3,163,400

Tax history for 12 Billow Rd

Year

Property tax

Land + Additions

Assessment*

2023

$50,051 (+1.8%)

$673,500 + $1,774,000

$2,447,500

2022

$49,146 (+0.2%)

$673,500 + $1,774,000

$2,447,500

2021

$49,072

$673,500 + $1,774,000

$2,447,500

2020

$49,072 (+1.5%)

$673,500 + $1,774,000

$2,447,500

2019

$48,340 (+0.5%)

$673,600 + $1,774,000

$2,447,600

2018

$48,079 (−0.3%)

$734,700 + $1,718,300

$2,453,000

2017

$48,226 (+2.1%)

$734,700 + $1,718,300

$2,453,000

2016

$47,245 (+4.1%)

$734,700 + $1,718,300

$2,453,000

2014

$45,381 (−5.6%)

$734,700 + $1,718,300

$2,453,000

2011

$48,084

$934,500 + $2,228,900

$3,163,400

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds

Baths

6.5

Stories

Lot width

—

Lot depth

—

Lot size

1.07 Acres

Year renovated

—

Sq. Ft.

12,023

Year built

1908

Style

Multi-Family (2-4 Unit)

County

APN

1022740

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2023.

Property details

Around this home

Schools

Kathleen E. Goodwin School

Public PreK-4 • Assigned • 1.7mi

6/10

Old Saybrook Middle School

Public 5-8 • Assigned • 2.0mi

8/10

Old Saybrook Senior High School

Public 9-12 • Assigned • 1.9mi

8/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

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

6/10 Heat Factor

7 days above 92° expected this year, 17 days in 30 years

8/10 Wind Factor

80% chance of strong winds in next 30 years

4/10 Air Factor

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

Provided by First Street

Historical weather

Old Saybrook, CT • 06475

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9 hours in June and 4.6 hours in December, which is comparable to the U.S. average for solar exposure.

9 hrs

4.6 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$6.24M – $7.56M

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Nearby similar homes

$750,000

2 beds2 baths1,760 sq ft

25 Uncas Trl, Old Saybrook, CT 06475

$1,290,000

3 beds2.5 baths1,916 sq ft

21 Fenbrook Rd, Old Saybrook, CT 06475

$1,550,000

4 beds3 baths3,188 sq ft

108 Maple Ave, Old Saybrook, CT 06475

$12,000,000

4 beds1 bath2,059 sq ft

1445 Boston Post Rd, Old Saybrook, CT 06475

$5,900,000

4 beds4 baths5,651 sq ft

12 Rocky Point Rd, Old Saybrook, CT 06475

$1,175,000

3 beds2 baths2,904 sq ft

26 Willard Ave, Old Saybrook, CT 06475

New listings for sale in 06475

OPEN SAT, 11AM TO 1PM

$899,000

4 beds1.5 baths1,706 sq ft

30 Neptune Dr, Old Saybrook, CT 06475

OPEN FRI, 4PM TO 6PM

$799,900

4 beds3 baths2,496 sq ft

3 Anchorage Ln, Old Saybrook, CT 06475

COMING SOON

$1,380,000

5 beds3 baths2,969 sq ft

46 Fenwood Grove Rd, Old Saybrook, CT 06475

$789,900

2 beds3.5 baths1,565 sq ft

25 Sunset Rd #18, Old Saybrook, CT 06475

OPEN SUN, 11AM TO 1PM

$795,000

3 beds1 bath2,002 sq ft

5 Tudor Ct E, Old Saybrook, CT 06475

COMING SOON

$699,900

3 beds2 baths1,913 sq ft

6 Willard St, Old Saybrook, CT 06475

COMING SOON

$550,000

3 beds3 baths1,296 sq ft

61 Springbrook Rd, Old Saybrook, CT 06475

$2,200,000

4 beds3.5 baths2,734 sq ft

138 N Cove Rd, Old Saybrook, CT 06475

$1,550,000

4 beds3 baths3,188 sq ft

108 Maple Ave, Old Saybrook, CT 06475

Home values near 12 Billow Rd

Data from public records.

Address	Redfin Estimate
6 Billow Road, Old Saybrook, CT 3 Beds \| 5 Baths \| 4146 Sq. Ft.	$2,754,920
21 Billow Road, Old Saybrook, CT 3 Beds \| 1.5 Baths \| 1663 Sq. Ft.	$805,282

Address	Redfin Estimate
10 Billow Road, Old Saybrook, CT 4 Beds \| 6.5 Baths \| 5852 Sq. Ft.	$3,906,410
19 Billow Road, Old Saybrook, CT 4 Beds \| 1 Baths \| 1512 Sq. Ft.	$698,429

Address	Redfin Estimate
8 Billow Road, Old Saybrook, CT 5 Beds \| 5.5 Baths \| 6258 Sq. Ft.	$3,051,084
15 Billow Road, Old Saybrook, CT 5 Beds \| 2 Baths \| 1800 Sq. Ft.	$874,355

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