Google street view image for 1666 Gainsborough Rd, San Dimas, CA 91773

Off market sep 1984 for $375K

$1,686,861

Est. refi paymentEst. refi $2,595/mo

•

5,600

sq ft

1666 Gainsborough Rd, San Dimas, CA 91773

About this home

1666 Gainsborough Rd is a 5,600 square foot house on a 0.41 acre lot with 5 bedrooms and 3.5 bathrooms. - it last sold on September 17, 1984 for $375,000. Based on Redfin's San Dimas data, we estimate the home's value is $1,686,861.

Single-familyProperty Type

1983Year Built

0.41 acresLot Size

$301Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,686,861

$1.3M since sold in September 1984$65K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 18.6% higher than the average sale price ($1.42M) of 6 comparable homes.

SOLD BY REDFIN JUN 9, 2026
$1,570,000
A
4 beds2.5 baths3,032 sq ft
1243 Liverpool Ct, San Dimas, CA 91773
SOLD SEP 16, 2026
$1,325,000
B
6 beds4 baths3,055 sq ft
1829 Newcastle, San Dimas, CA 91773
SOLD JUL 2, 2026
$1,518,750
C
4 beds3 baths2,809 sq ft
934 Paseo Viento, San Dimas, CA 91773
SOLD JUL 28, 2026
$1,685,000
D
4 beds2.5 baths2,704 sq ft
509 N Jalapa, Covina, CA 91724
SOLD NOV 5, 2025
$952,000
E
4 beds3 baths2,125 sq ft
4421 N Sunflower Ave, Covina, CA 91724
SOLD APR 17, 2026
$1,480,000
F
4 beds3 baths2,732 sq ft
530 Rancho Los Nogales Dr, Covina, CA 91724

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Earn from this home

Sell

$1,594,406

Est. take-home

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Refinance

Est. cash available

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Rent

$4,670/mo

Redfin rental estimate

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Market trends in 91773, CA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.7%

0.7% MoM

Median sale price

$890K

$38K MoM

Avg. days on market

42d

5 days MoM

Recently sold homes

5 MoM

New listings for sale

$99,000
2 beds1 bath768 sq ft
1630 W Covina Blvd #99, San Dimas, CA 91773
$629,500
2 beds2 baths1,540 sq ft
354 S San Dimas Ave, San Dimas, CA 91773
KW Temecula
$1,128,888
4 beds3 baths2,266 sq ft
1638 Avenida Monte Vis, San Dimas, CA 91773
$615,000
2 beds2 baths1,092 sq ft
517 San Marcos, San Dimas, CA 91773
$860,000
3 beds2 baths1,258 sq ft
314 W Gladstone, San Dimas, CA 91773
$950,000
4 beds2 baths1,562 sq ft
345 Kennedy, San Dimas, CA 91773
$634,900
3 beds2.5 baths1,496 sq ft
702 Knollwood Ln, San Dimas, CA 91773
JOHNHART CORP
$570,000
3 beds2 baths1,130 sq ft
1375 Cypress, San Dimas, CA 91773
VIDEO TOUR
$1,099,000
3 beds2 baths1,760 sq ft
403 W 5th, San Dimas, CA 91773
$1,248,888
5 beds3 baths2,662 sq ft
902 Calle Carrillo, San Dimas, CA 91773
See all

Provided by Redfin

Sale history for 1666 Gainsborough Rd

Year

Property tax

Land + Additions

Assessment*

2025

$10,024 (+7.1%)

$162,476 + $594,435

$756,911

2024

$9,356 (+2.4%)

$162,476 + $594,435

$756,911

2023

$9,138 (+1.2%)

$159,291 + $582,780

$742,071

2022

$9,027 (+1.7%)

$156,168 + $571,353

$727,521

2021

$8,873 (+1.1%)

$153,106 + $560,150

$713,256

2020

$8,776 (+1.1%)

$150,104 + $549,167

$699,271

2019

$8,683 (+7.0%)

$148,565 + $543,536

$692,101

2018

$8,113 (+1.5%)

$145,652 + $532,879

$678,531

2017

$7,996 (+3.7%)

$139,998 + $512,188

$652,186

2016

$7,711 (+0.4%)

$139,998 + $512,188

$652,186

2015

$7,677 (+0.2%)

$137,253 + $502,146

$639,399

2014

$7,661 (+2.1%)

$132,544 + $484,916

$617,460

2012

$7,507 (+3.0%)

$131,945 + $482,725

$614,670

2011

$7,287 (+1.2%)

$129,358 + $473,260

$602,618

2010

$7,203 (+0.8%)

$126,822 + $463,981

$590,803

2009

$7,148 (+3.2%)

$125,875 + $460,514

$586,389

2008

$6,929

$126,175 + $461,609

$587,784

Tax history for 1666 Gainsborough Rd

Year

Property tax

Land + Additions

Assessment*

2025

$10,024 (+7.1%)

$162,476 + $594,435

$756,911

2024

$9,356 (+2.4%)

$162,476 + $594,435

$756,911

2023

$9,138 (+1.2%)

$159,291 + $582,780

$742,071

2022

$9,027 (+1.7%)

$156,168 + $571,353

$727,521

2021

$8,873 (+1.1%)

$153,106 + $560,150

$713,256

2020

$8,776 (+1.1%)

$150,104 + $549,167

$699,271

2019

$8,683 (+7.0%)

$148,565 + $543,536

$692,101

2018

$8,113 (+1.5%)

$145,652 + $532,879

$678,531

2017

$7,996 (+3.7%)

$139,998 + $512,188

$652,186

2016

$7,711 (+0.4%)

$139,998 + $512,188

$652,186

2015

$7,677 (+0.2%)

$137,253 + $502,146

$639,399

2014

$7,661 (+2.1%)

$132,544 + $484,916

$617,460

2012

$7,507 (+3.0%)

$131,945 + $482,725

$614,670

2011

$7,287 (+1.2%)

$129,358 + $473,260

$602,618

2010

$7,203 (+0.8%)

$126,822 + $463,981

$590,803

2009

$7,148 (+3.2%)

$125,875 + $460,514

$586,389

2008

$6,929

$126,175 + $461,609

$587,784

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

Property details

Interior

Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central

Exterior

Pool Information
Has Pool

Property Information
Subdivision Name: 34857
Living Sq. Ft: 5,244
# of Units: 1
Legal Description: TR=34857 LOT 62

Lot Information
# of Buildings: 1
Land Sq. Ft: 18,018
Legal Lot Number: 62
Municipality Name: SAN DIMAS
Acres: 0.4136
Depth Footage: 177
Front Footage: 102
Zoning Code: SDSP4*
County Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 5
Baths: 3.5
Sq. Ft.: 5,600
Stories: —
Parking Spaces: —
Basement: No
Accessible: No
Lot Size: 0.41 acres
Style: Single Family Residential
Year Built: 1983
Year Renovated: 1983
County: Los Angeles County
APN: 8426034019
HOA Dues: —
Garage: —
Features: —

Home facts updated by owner on Jan 29, 2025

Around this home

Schools

Glen Oak Elementary School

Public K-6 • Assigned • 0.5mi

3/10

Royal Oak Middle School

Public 7-8 • Assigned • 1.4mi

8/10

Charter Oak High School

Public 9-12 • Assigned • 1.2mi

7/10

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

2/10 Fire Factor

0.00% chance of being in a wildfire in next 30 years

7/10 Heat Factor

7 days above 99° expected this year, 20 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

8/10 Air Factor

17 unhealthy days expected this year, 21 days in 30 years

Provided by First Street

Historical weather

San Dimas, CA • 91773

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 9.9 hours in June and 6.8 hours in December, placing it above the U.S. average for solar exposure.

9.9 hrs

6.8 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.86M – $2.25M

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New listings for sale in 91773

$99,000

2 beds1 bath768 sq ft

1630 W Covina Blvd #99, San Dimas, CA 91773

$629,500

2 beds2 baths1,540 sq ft

354 S San Dimas Ave, San Dimas, CA 91773

KW Temecula

$1,128,888

4 beds3 baths2,266 sq ft

1638 Avenida Monte Vis, San Dimas, CA 91773

$615,000

2 beds2 baths1,092 sq ft

517 San Marcos, San Dimas, CA 91773

$860,000

3 beds2 baths1,258 sq ft

314 W Gladstone, San Dimas, CA 91773

$950,000

4 beds2 baths1,562 sq ft

345 Kennedy, San Dimas, CA 91773

$634,900

3 beds2.5 baths1,496 sq ft

702 Knollwood Ln, San Dimas, CA 91773

JOHNHART CORP

$570,000

3 beds2 baths1,130 sq ft

1375 Cypress, San Dimas, CA 91773

VIDEO TOUR

$1,099,000

3 beds2 baths1,760 sq ft

403 W 5th, San Dimas, CA 91773

Home values near 1666 Gainsborough Rd

Data from public records.

Address	Redfin Estimate
1734 Gainsborough Road, San Dimas, CA 6 Beds \| 7 Baths \| 5218 Sq. Ft.	$2,059,599
1702 Gainsborough Road, San Dimas, CA 4 Beds \| 3 Baths \| 4139 Sq. Ft.	$1,822,841

Address	Redfin Estimate
1718 Gainsborough Road, San Dimas, CA 4 Beds \| 5 Baths \| 4067 Sq. Ft.	$2,217,506
1650 Gainsborough Road, San Dimas, CA 5 Beds \| 4 Baths \| 4390 Sq. Ft.	$1,805,291

Address	Redfin Estimate
1710 Gainsborough Road, San Dimas, CA 4 Beds \| 3 Baths \| 2919 Sq. Ft.	$1,510,527
1644 Gainsborough Road, San Dimas, CA 5 Beds \| - Baths \| 6270 Sq. Ft.	$2,369,744

This data may not show owner updates. Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 91773, CA

Sale history for 1666 Gainsborough Rd

Tax history for 1666 Gainsborough Rd

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 91773

Home values near 1666 Gainsborough Rd

More real estate resources