Google street view image for 23 Seminary Ridge Pl, Clayton, CA 94517

Off market may 2022 for $2.1M

$1,920,296

Est. refi paymentEst. refi $12,620/mo

•

3,910

sq ft

23 Seminary Ridge Pl, Clayton, CA 94517

About this home

Dramatic, inviting, light, bright and better than new! High ceilings & open floor plan make this an entertainers dream! From the phenomenal kitchen with enormous island, 2 sinks, upgraded appliances, tons of counter space and storage to the spacious family room, gracious formal spaces and full downstairs guest suite this house has it all. Upstairs the master suite is simply incredible with its own office, fabulous bathroom and custom closet. There is one additional guest suite and two bedrooms joined by a Jack and Jill bath and a laundry room you won't believe to complete the upstairs. This home is set at the end of a quiet cul de sac, surrounded by Open Space with dream views. The backyard includes ample patio seating areas, a stunning pool/spa seemingly set into surrounding open space and truly pulls you out doors!

Single-familyProperty Type

2012Year Built

0.66 acresLot Size

$491Est. Price/Sq.Ft.

3 car garageParking

Listed by • Compass

•925-201-8301 (broker)

Listed by • Compass

•925-201-8301 (broker)

Bought with • Compass

•925-201-8301 (broker)

Redfin checked: a minute ago

•Source:San Francisco MLS #40990590

Redfin Estimate

$1,920,296

$190K since sold in May 2022$25K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 35.1% higher than the average sale price ($1.42M) of 6 comparable homes.

SOLD SEP 4, 2026
$1,460,000
A
5 beds4.5 baths3,615 sq ft
1224 Bridlewood Ct, Clayton, CA 94517
SOLD OCT 28, 2026
$1,500,000
B
4 beds3 baths3,030 sq ft
110 Forest Hill Dr, Clayton, CA 94517
SOLD OCT 29, 2026
$1,020,000
C
5 beds3.5 baths2,984 sq ft
5787 Lewis Way, Concord, CA 94521
SOLD SEP 24, 2026
$1,700,000
D
4 beds3 baths3,011 sq ft
4 Pardi Ln, Clayton, CA 94517
SOLD SEP 4, 2026
$1,430,000
E
5 beds3 baths2,960 sq ft
139 Mt Everest Ct, Clayton, CA 94517
SOLD JUL 27, 2026
$1,418,888
F
5 beds3 baths3,011 sq ft
5 Pardi Ln, Clayton, CA 94517

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Sell

$273,480

Est. take-home

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Est. cash available

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Rent

$6,691/mo

Redfin rental estimate

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Market trends in 94517, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

100.7%

0.4% MoM

Median sale price

$1.1M

$3K MoM

Avg. days on market

21d

10 days MoM

Recently sold homes

4 MoM

New listings for sale

$1,499,000
4 beds3 baths3,016 sq ft
24 Promontory Pl, Clayton, CA 94517
$1,550,000
5 beds3 baths2,691 sq ft
109 Mt Trinity Ct, Clayton, CA 94517
$1,175,000
5 beds3.5 baths2,260 sq ft
68 Nottingham Pl, Clayton, CA 94517
OPEN TUE, 10:30AM TO 12:30PM
$849,000
3 beds2 baths1,352 sq ft
1377 El Camino Dr, Clayton, CA 94517
$815,000
3 beds2.5 baths1,939 sq ft
1766 Indian Wls, Clayton, CA 94517
See all

Provided by Redfin

Sale history for 23 Seminary Ridge Pl

Year

Property tax

Land + Additions

Assessment*

2026

$26,215 (+0.3%)

$1,031,906 + $845,094

$1,877,000

2025

$26,127 (+2.1%)

$1,031,906 + $845,094

$1,877,000

2024

$25,585 (+2.4%)

$1,031,905 + $845,095

$1,877,000

2023

$24,989 (+21.0%)

$1,015,000 + $830,000

$1,845,000

2022

$20,653 (+1.9%)

$990,000 + $811,000

$1,801,000

2021

$20,271 (+1.2%)

$522,178 + $876,331

$1,398,509

2020

$20,032 (+2.0%)

$511,940 + $859,149

$1,371,089

2019

$19,640 (+3.1%)

$506,691 + $850,340

$1,357,031

2018

$19,054 (+3.2%)

$496,756 + $833,667

$1,330,423

2017

$18,457 (+2.7%)

$477,467 + $801,296

$1,278,763

2016

$17,974 (+1.1%)

$477,467 + $801,296

$1,278,763

2015

$17,782 (+1.6%)

$468,105 + $785,585

$1,253,690

2014

$17,510 (+4.9%)

$452,043 + $758,628

$1,210,671

2013

$16,690 (+201.9%)

$452,043 + $758,628

$1,210,671

2012

$5,529 (+165.2%)

$450,000 + $717,200

$1,167,200

2011

$2,085 (+1.1%)

$166,095

2010

$2,062 (+0.5%)

$162,839

2009

$2,052

$161,622

2008

$162,006

Tax history for 23 Seminary Ridge Pl

Year

Property tax

Land + Additions

Assessment*

2026

$26,215 (+0.3%)

$1,031,906 + $845,094

$1,877,000

2025

$26,127 (+2.1%)

$1,031,906 + $845,094

$1,877,000

2024

$25,585 (+2.4%)

$1,031,905 + $845,095

$1,877,000

2023

$24,989 (+21.0%)

$1,015,000 + $830,000

$1,845,000

2022

$20,653 (+1.9%)

$990,000 + $811,000

$1,801,000

2021

$20,271 (+1.2%)

$522,178 + $876,331

$1,398,509

2020

$20,032 (+2.0%)

$511,940 + $859,149

$1,371,089

2019

$19,640 (+3.1%)

$506,691 + $850,340

$1,357,031

2018

$19,054 (+3.2%)

$496,756 + $833,667

$1,330,423

2017

$18,457 (+2.7%)

$477,467 + $801,296

$1,278,763

2016

$17,974 (+1.1%)

$477,467 + $801,296

$1,278,763

2015

$17,782 (+1.6%)

$468,105 + $785,585

$1,253,690

2014

$17,510 (+4.9%)

$452,043 + $758,628

$1,210,671

2013

$16,690 (+201.9%)

$452,043 + $758,628

$1,210,671

2012

$5,529 (+165.2%)

$450,000 + $717,200

$1,167,200

2011

$2,085 (+1.1%)

$166,095

2010

$2,062 (+0.5%)

$162,839

2009

$2,052

$161,622

2008

$162,006

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

Public record

Public record
Permits

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

0.66 Acres

Year renovated

2012

Sq. Ft.

3,910

Year built

2012

Style

Single Family Residential

County

Contra Costa County

APN

1196300105

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 30, 2026.

Feb 22, 2013 • Final

Building

Install a new sewer connection.

Plumbing

Jan 4, 2013 • Final

Building/residential/p/pool

Install a new inground gunite pool and spa.

Pool and hot tub

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

Parking

Garage Information
Has Garage
# of Garage Spaces: 3
Has Attached Garage

Parking Information
Parking Features: Attached, Garage Door Opener, Inside Entrance
# of Covered Spaces: 3
# of Parking Total: 3

Interior

Virtual Tour Information

Bedrooms Information
# of Bedrooms: 5

Bathroom Information
Count of Bathrooms: 5
# of Full Bathrooms: 4
# of Half Bathrooms: 1

Interior Features
Laundry Features: Inside Room
Has Heating
Heating: Gas, Zoned
Has Cooling
Cooling: Ceiling Fan(s), Central Air, Zoned
Flooring: Carpet, Tile, Wood
Has Fireplace(s)
# of Fireplaces Total: 2
Fireplace Features: Family Room, Living Room
Appliances: Disposal, Double Oven, Gas Cooktop, Gas Water Heater, Ice Maker, Microwave, Washer

Exterior

Exterior Features
Entry Level: 0
Patio And Porch Features: Patio
Window Features: Window Coverings, Dual Pane

Building Information
Living Area: 3910
Living Area Units: Square Feet
Living Area Source: Assessor Auto-Fill
Building Area Total: 3910
Building Area Units: Square Feet
Building Area Source: Assessor Auto-Fill
Construction Materials: Ceiling Insulation, Stone, Stucco
Architectural Style: Craftsman, Mediterranean, Traditional
Year Built: 2012
Roof: Tile

Mobile Home Information
Mobile Dim Units: Feet

Pool Information
Pool Features: In Ground, Gas Heat, Gunite, Pool Cover, Pool Sweep
Has Spa

Property Type
Property Type: Residential
Property SubType: Single Family Residence

Property Information
Property Condition: Original
Security Features: Fire Suppression System

Lot Information
Lot Features: Auto Sprinkler F&R, Court, Cul-De-Sac, Secluded, Other
Lot Size Sq. Ft.: 28749.6
Lot Size Acres: 0.66
Lot Size Area: 28749.6
Lot Size Units: SqFt
Lot Size Units: Square Feet
Elevation: 0
Elevation Units: Feet

Utilities

Utility Information
Electric: 220 Volts in Kitchen, 220 Volts in Laundry
Sewer: Public Sewer
Water Source: Public

Location

HOA Information
Association Fee: 0

Community Information
Pets Allowed: Yes
Subdivision Name: Not Listed

Public facts

Beds: 5
Baths: 5.0
Sq. Ft.: 3,910
Stories: 2.0
Lot Size: 0.66 acres
Style: Single Family Residential
Year Built: 2012
Year Renovated: 2012
County: Contra Costa County
APN: 1196300105

Home facts updated by county records on Oct 30, 2026

Around this home

Schools

K - 12
Preschool & daycare

Mt. Diablo Elementary School

Public K-5 • Assigned • 1.7mi

9/10

Diablo View Middle School

Public 6-8 • Assigned • 0.6mi

9/10

Northgate High School

Public 9-12 • Assigned • 4.9mi

9/10

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

8/10 Fire Factor

29% chance of being in a wildfire in next 30 years

4/10 Heat Factor

10 days above 93° expected this year, 20 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

9/10 Air Factor

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

Provided by First Street

Historical weather

Clayton, CA • 94517

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 11.8 hours in June and 4.8 hours in December, placing it above the U.S. average for solar exposure.

11.8 hrs

4.8 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.83M – $2.21M

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Home values near 23 Seminary Ridge Pl

Data from public records.

Address	Redfin Estimate
26 Seminary Ridge Pl, Clayton, CA 4 Beds \| 4 Baths \| 3910 Sq. Ft.	$1,816,097
10 Seminary Ridge Pl, Clayton, CA 5 Beds \| 4 Baths \| 3691 Sq. Ft.	$1,595,605
19 Seminary Ridge Pl, Clayton, CA 4 Beds \| 4 Baths \| 3834 Sq. Ft.	$1,894,079
3 Seminary Ridge Pl, Clayton, CA 4 Beds \| 4 Baths \| 3757 Sq. Ft.	$1,726,335
9 Seminary Ridge Pl, Clayton, CA 5 Beds \| 4 Baths \| 3691 Sq. Ft.	$1,732,592
205 El Pueblo Pl, Clayton, CA 4 Beds \| 3 Baths \| 2390 Sq. Ft.	$1,127,263
51 Petar Ct, Clayton, CA 4 Beds \| 3 Baths \| 2324 Sq. Ft.	$1,081,156

Address	Redfin Estimate
18 Seminary Ridge Pl, Clayton, CA 5 Beds \| 5 Baths \| 8300 Sq. Ft.	$2,045,546
14 Seminary Ridge Pl, Clayton, CA 4 Beds \| 4 Baths \| 4150 Sq. Ft.	$2,002,161
6 Seminary Ridge Pl, Clayton, CA 5 Beds \| 4 Baths \| 3691 Sq. Ft.	$1,617,611
5 Seminary Ridge Pl, Clayton, CA 3 Beds \| 3 Baths \| 3301 Sq. Ft.	$1,772,379
14 Rialto Dr, Clayton, CA 3 Beds \| 3 Baths \| 2324 Sq. Ft.	$1,091,869
44 Petar Ct, Clayton, CA 3 Beds \| 2 Baths \| 1768 Sq. Ft.	$1,093,820
26 Rialto Dr, Clayton, CA 4 Beds \| 3 Baths \| 2010 Sq. Ft.	$806,061

Address	Redfin Estimate
22 Seminary Ridge Pl, Clayton, CA 4 Beds \| 4 Baths \| 3910 Sq. Ft.	$1,857,453
15 Seminary Ridge Pl, Clayton, CA 4 Beds \| 4 Baths \| 3910 Sq. Ft.	$1,999,335
2 Seminary Ridge Pl, Clayton, CA 4 Beds \| 3 Baths \| 3757 Sq. Ft.	$1,584,620
27 Seminary Ridge Pl, Clayton, CA 4 Beds \| 4 Baths \| 4150 Sq. Ft.	$2,023,287
8 Rialto Dr, Clayton, CA 4 Beds \| 2.5 Baths \| 2032 Sq. Ft.	$1,252,971
20 Rialto Dr, Clayton, CA 4 Beds \| 3 Baths \| 2391 Sq. Ft.	$1,065,636
32 Rialto Dr, Clayton, CA 4 Beds \| 3 Baths \| 2032 Sq. Ft.	$1,046,932

Property information provided by San Francisco MLS when last listed in 2022. This data may not match . 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 94517, CA

Sale history for 23 Seminary Ridge Pl

Tax history for 23 Seminary Ridge Pl

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94517

Home values near 23 Seminary Ridge Pl

More real estate resources