Google street view image for 3686 De Rosa Ct, Concord, CA 94518

Off market jul 2018 for $775K

$971,497

Est. refi paymentEst. refi $5,225/mo

•

2 ba

•

1,724

sq ft

3686 De Rosa Ct, Concord, CA 94518

About this home

3686 De Rosa Ct is a 1,724 square foot house on a 0.33 acre lot with 3 bedrooms and 2 bathrooms. - it last sold on July 26, 2018 for $775,000. Based on Redfin's Concord data, we estimate the home's value is $971,497.

Single-familyProperty Type

1964Year Built

0.33 acresLot Size

$564Est. Price/Sq.Ft.

2 car garageParking

Source:Public Records

Redfin Estimate

$971,497

$196K since sold in July 2018$62K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 22.3% lower than the average sale price ($1.25M) of 5 comparable homes.

SOLD MAY 29, 2026
$970,000
A
4 beds2 baths1,712 sq ft
839 Mcelroy Ct, Concord, CA 94518
SOLD JUN 11, 2026
$1,258,500
B
3 beds2 baths1,739 sq ft
3739 Northridge Dr, Concord, CA 94518
SOLD OCT 19, 2026
$875,000
C
3 beds2 baths1,414 sq ft
1243 Davis Ave, Concord, CA 94518
SOLD OCT 5, 2026
$1,600,000
D
4 beds2 baths1,995 sq ft
3701 Gainsborough Dr, Concord, CA 94518
SOLD OCT 8, 2026
$1,550,000
E
4 beds2 baths1,995 sq ft
1279 Lancashire Dr, Concord, CA 94518

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Earn from this home

Sell

$406,173

Est. take-home

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Refinance

Est. cash available

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Rent

$3,816/mo

Redfin rental estimate

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Market trends in 94518, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

99.6%

1.0% MoM

Median sale price

$795K

$408 MoM

Avg. days on market

29d

4 days MoM

Recently sold homes

3 MoM

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2 beds1 bath— sq ft
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See all

Provided by Redfin

Sale history for 3686 De Rosa Ct

Year

Property tax

Land + Additions

Assessment*

2026

$10,730 (+2.4%)

$590,190 + $291,624

$881,814

2025

$10,476 (+2.6%)

$590,190 + $291,624

$881,814

2024

$10,216 (+1.8%)

$578,618 + $285,906

$864,524

2023

$10,033 (+1.2%)

$567,273 + $280,300

$847,573

2022

$9,909 (+2.4%)

$556,150 + $274,804

$830,954

2021

$9,674 (+0.6%)

$545,246 + $269,416

$814,662

2020

$9,613 (+1.1%)

$534,555 + $264,134

$798,689

2019

$9,512 (+10.5%)

$529,074 + $261,426

$790,500

2018

$8,608 (+15.7%)

$518,700 + $256,300

$775,000

2017

$7,443 (+5.1%)

$337,784 + $280,216

$618,000

2016

$7,081 (+9.0%)

$337,784 + $280,216

$618,000

2015

$6,494 (+9.0%)

$323,027 + $267,973

$591,000

2014

$5,957 (+51.2%)

$266,456 + $221,044

$487,500

2013

$3,941 (−1.5%)

$266,456 + $221,044

$487,500

2012

$3,999 (−10.2%)

$173,538 + $143,962

$317,500

2011

$4,454 (+0.6%)

$177,911 + $147,589

$325,500

2010

$4,428 (+0.5%)

$203,599 + $168,901

$372,500

2009

$4,405 (−25.3%)

$203,599 + $168,901

$372,500

2008

$5,894

$203,599 + $168,901

$372,500

Tax history for 3686 De Rosa Ct

Year

Property tax

Land + Additions

Assessment*

2026

$10,730 (+2.4%)

$590,190 + $291,624

$881,814

2025

$10,476 (+2.6%)

$590,190 + $291,624

$881,814

2024

$10,216 (+1.8%)

$578,618 + $285,906

$864,524

2023

$10,033 (+1.2%)

$567,273 + $280,300

$847,573

2022

$9,909 (+2.4%)

$556,150 + $274,804

$830,954

2021

$9,674 (+0.6%)

$545,246 + $269,416

$814,662

2020

$9,613 (+1.1%)

$534,555 + $264,134

$798,689

2019

$9,512 (+10.5%)

$529,074 + $261,426

$790,500

2018

$8,608 (+15.7%)

$518,700 + $256,300

$775,000

2017

$7,443 (+5.1%)

$337,784 + $280,216

$618,000

2016

$7,081 (+9.0%)

$337,784 + $280,216

$618,000

2015

$6,494 (+9.0%)

$323,027 + $267,973

$591,000

2014

$5,957 (+51.2%)

$266,456 + $221,044

$487,500

2013

$3,941 (−1.5%)

$266,456 + $221,044

$487,500

2012

$3,999 (−10.2%)

$173,538 + $143,962

$317,500

2011

$4,454 (+0.6%)

$177,911 + $147,589

$325,500

2010

$4,428 (+0.5%)

$203,599 + $168,901

$372,500

2009

$4,405 (−25.3%)

$203,599 + $168,901

$372,500

2008

$5,894

$203,599 + $168,901

$372,500

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

Zoning and permits

Zoning
Permits

RS12

Residential Single-Family District

The RS district is applied to areas of the city appropriate for single-family residential uses in neighborhoods at densities of 2.5 to 10 units per net acre, subject to appropriate standards. The RS zoning districts generally apply to the single-family residential districts with development existing at the time of the adoption of this development code. The specific allowable density for each parcel is shown on the zoning map by a numerical suffix residential density designator RS-12 corresponding to the minimum lot size 12000 The RS district is consistent with and implements the low density residential (LDR) land use designation of the general plan.

Permitted uses

Include but are not limited to:

Housing-Single unit
Housing-Senior
Recreation
Agriculture-Cropland
Agriculture-Grove / orchard / vineyard
Park & open space

Aug 20, 2019 • Final

Building

Tear off existing wood shake and install new composition shingles.

Roofing

Oct 21, 2014 • Final

Building

Replace the furnace in a residential building.

HVAC

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Interior

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

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 7

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: Ranch
Building Construction Quality: Good
Exterior Wall: Stucco

Property Information
Subdivision Name: SUBDIVISION 3073
Living Sq. Ft: 1,724
Ground Floor Sq. Ft: 1,724
Building Sq. Ft: 1,724
# of Stories: 1
Legal Description: TRACT 3073 LOT 107 EX POR MR

Parking & Garage Information
# of Parking Spaces: 2
Garage/Parking Sq. Ft: 528

Lot Information
# of Buildings: 1
Land Sq. Ft: 14,300
Legal Lot Number: 107
Acres: 0.3283
County Use Description: SINGLE FAMILY

Utility Information
Sewer Type: Public
Water Service Type: Public

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,724
Stories: 1.0
Lot Size: 0.33 acres
Style: Single Family Residential
Year Built: 1964
Year Renovated: 1974
County: Contra Costa County
APN: 1303740128

Home facts updated by county records on Oct 30, 2026

Around this home

Schools

K - 12
Preschool & daycare

El Monte Elementary School

Public K-5 • Assigned • 0.7mi

6/10

El Dorado Middle School

Public 6-8 • Assigned • 1.9mi

3/10

Concord High School

Public 9-12 • Assigned • 2.1mi

5/10

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

4/10 Fire Factor

1% chance of being in a wildfire in next 30 years

4/10 Heat Factor

7 days above 96° expected this year, 14 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

9/10 Air Factor

18 unhealthy days expected this year, 19 days in 30 years

Provided by First Street

Historical weather

Concord, CA • 94518

Average low and high temperatures (°F)

61°

41°

64°

44°

72°

49°

71°

50°

79°

55°

83°

57°

85°

59°

90°

60°

84°

62°

74°

54°

65°

47°

57°

45°

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 11.5 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

11.5 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$923,000 – $1.12M

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Home values near 3686 De Rosa Ct

Data from public records.

Address	Redfin Estimate
3681 De Rosa Court, Concord, CA 4 Beds \| 2 Baths \| 2054 Sq. Ft.	$1,136,413
3698 De Rosa Court, Concord, CA 3 Beds \| 3 Baths \| 3716 Sq. Ft.	$1,497,856
3668 Northridge Drive, Concord, CA 5 Beds \| 3 Baths \| 3480 Sq. Ft.	$1,261,778
1105 Northridge Court, Concord, CA 3 Beds \| 3 Baths \| 3539 Sq. Ft.	$1,790,803
1114 Northridge Court, Concord, CA 4 Beds \| 4 Baths \| 3293 Sq. Ft.	$1,359,305
1073 Saint Francis Drive, Concord, CA 3 Beds \| 4 Baths \| 3676 Sq. Ft.	$1,388,762
1092 Saint Francis Drive, Concord, CA 4 Beds \| 2 Baths \| 1889 Sq. Ft.	$1,016,327

Address	Redfin Estimate
3680 De Rosa Court, Concord, CA 4 Beds \| 2 Baths \| 2028 Sq. Ft.	$1,293,498
3692 De Rosa Court, Concord, CA 4 Beds \| 2 Baths \| 2203 Sq. Ft.	$1,133,860
3698 Northridge Drive, Concord, CA 4 Beds \| 3 Baths \| 2171 Sq. Ft.	$1,034,882
1110 Saint Francis Drive, Concord, CA 3 Beds \| 2 Baths \| 1693 Sq. Ft.	$956,717
1115 Saint Francis Drive, Concord, CA 3 Beds \| 3 Baths \| 2614 Sq. Ft.	$1,341,553
1077 Saint Francis Drive, Concord, CA 4 Beds \| 3 Baths \| 2544 Sq. Ft.	$1,107,285
3667 Northridge Drive, Concord, CA 4 Beds \| 3 Baths \| 3514 Sq. Ft.	$1,202,792

Address	Redfin Estimate
3693 De Rosa Court, Concord, CA 4 Beds \| 2.5 Baths \| 2216 Sq. Ft.	$1,054,431
3687 De Rosa Court, Concord, CA 3 Beds \| 3 Baths \| 2178 Sq. Ft.	$1,092,174
1065 Saint Francis Drive, Concord, CA 4 Beds \| 2 Baths \| 2812 Sq. Ft.	$1,197,219
1116 Saint Francis Drive, Concord, CA 5 Beds \| 4 Baths \| 3193 Sq. Ft.	$1,152,187
3692 Northridge Drive, Concord, CA 4 Beds \| 3 Baths \| 2059 Sq. Ft.	$927,197
1069 Saint Francis Drive, Concord, CA 4 Beds \| 3 Baths \| 2560 Sq. Ft.	$1,152,345
3680 Northridge Drive, Concord, CA 3 Beds \| 2 Baths \| 1985 Sq. Ft.	$1,058,053

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About this home

Redfin Estimate

Earn from this home

Market trends in 94518, CA

Sale history for 3686 De Rosa Ct

Tax history for 3686 De Rosa Ct

Zoning and permits

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94518

Home values near 3686 De Rosa Ct

More real estate resources