OFF MARKET

Off Market Dec 2014 for $1.2M

$2,020,887

Est. refi paymentEst. refi $5,789/mo

•

4,235

sq ft

15 Seminary Ridge Pl, Clayton, CA 94517

About this home

Single-familyProperty Type

2012Year Built

0.45 acresLot Size

$477Est. Price/Sq.Ft.

3 car garageParking

Listed by Alex Miller •DRE #01218649 • Empire Realty Associates, Inc

Bought with Mary Anne Lahaye •DRE #01322676 • Empire Realty Associates

Redfin checked: 2 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40677025

Redfin Estimate

$2,020,887

$761K since sold in December 2014$6,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 41.2% higher than the average sale price ($1.43M) of 6 comparable homes.

SOLD SEP 4, 2026
$1,630,000
A
4 beds2.5 baths3,307 sq ft
1116 Peacock Creek Dr, Clayton, CA 94517
SOLD SEP 4, 2026
$1,460,000
B
5 beds4.5 baths3,615 sq ft
1224 Bridlewood Ct, Clayton, CA 94517
SOLD MAY 26, 2026
$1,372,000
C
4 beds3 baths2,802 sq ft
1267 Quiet Cir, Concord, CA 94521
SOLD AUG 12, 2026
$1,148,000
D
4 beds2.5 baths2,390 sq ft
55 La Honda Ct, 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 MAY 22, 2026
$1,550,000
F
4 beds3 baths2,879 sq ft
9013 Elk Dr, Clayton, CA 94517

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

Earn from this home

Sell

$1,170,790

Est. take-home

List your home with Redfin and save $10,104

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$6,726/mo

Redfin rental estimate

List your home for rent

Market trends in 94517, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.2%

0.6% MoM

Median sale price

$1.1M

$5K MoM

Avg. days on market

31d

10 days MoM

Recently sold homes

1 MoM

New listings for sale

OPEN TUE, 10AM TO 1PM
$775,000
3 beds2 baths1,389 sq ft
244 Stranahan Cir, Clayton, CA 94517
COMING SOON
$1,099,999
4 beds2.5 baths2,534 sq ft
5849 Mitchell Canyon Ct, Clayton, CA 94517
$1,395,000
4 beds3 baths3,008 sq ft
308 Ahwanee Ln, Clayton, CA 94517
$749,000
4 beds2 baths1,578 sq ft
1013 Panadero Way, Clayton, CA 94517
COMING SOON
$1,675,000
4 beds3 baths3,011 sq ft
4 Pardi Ln, Clayton, CA 94517
$499,000
2 beds2 baths1,026 sq ft
3905 Coyote Crk, Clayton, CA 94517
See all

Provided by Redfin

Sale history for 15 Seminary Ridge Pl

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #40677025

Dec 5, 2014

Sold

$1,259,500

$297/sq ft

Oct 24, 2014

Pending

—

Oct 10, 2014

Listed

$1,299,000

$307/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #40555768

Sep 4, 2012

Sold

$1,061,512

$251/sq ft

Dec 30, 2011

Listed

$948,301

$224/sq ft

Dec 30, 2011

Listing Removed

—

Public Records

Dec 30, 2010

Sold

$4,360,000

$1,030/sq ft

Public Records

Oct 6, 2009

Sold

$4,629,801

$1,093/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$22,484 (+2.3%)

$551,643 + $1,021,363

$1,573,006

2024

$21,971 (+2.1%)

$540,827 + $1,001,337

$1,542,164

2023

$21,516 (+0.9%)

$530,223 + $981,703

$1,511,926

2022

$21,321 (+1.9%)

$519,827 + $962,454

$1,482,281

2021

$20,927 (+1.2%)

$509,635 + $943,583

$1,453,218

2020

$20,686 (+2.0%)

$499,643 + $925,082

$1,424,725

2019

$20,287 (+3.1%)

$494,520 + $915,597

$1,410,117

2018

$19,679 (+4.7%)

$484,824 + $897,645

$1,382,469

2017

$18,794 (+2.7%)

$465,999 + $838,280

$1,304,279

2016

$18,305 (+1.1%)

$465,999 + $838,280

$1,304,279

2015

$18,113 (+14.2%)

$456,862 + $821,844

$1,278,706

2014

$15,867 (+2.5%)

$401,816 + $664,503

$1,066,319

2013

$15,487 (+180.1%)

$401,816 + $664,503

$1,066,319

2012

$5,529 (+165.2%)

$400,000 + $661,500

$1,061,500

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 15 Seminary Ridge Pl

Year

Property tax

Land + Additions

Assessment*

2025

$22,484 (+2.3%)

$551,643 + $1,021,363

$1,573,006

2024

$21,971 (+2.1%)

$540,827 + $1,001,337

$1,542,164

2023

$21,516 (+0.9%)

$530,223 + $981,703

$1,511,926

2022

$21,321 (+1.9%)

$519,827 + $962,454

$1,482,281

2021

$20,927 (+1.2%)

$509,635 + $943,583

$1,453,218

2020

$20,686 (+2.0%)

$499,643 + $925,082

$1,424,725

2019

$20,287 (+3.1%)

$494,520 + $915,597

$1,410,117

2018

$19,679 (+4.7%)

$484,824 + $897,645

$1,382,469

2017

$18,794 (+2.7%)

$465,999 + $838,280

$1,304,279

2016

$18,305 (+1.1%)

$465,999 + $838,280

$1,304,279

2015

$18,113 (+14.2%)

$456,862 + $821,844

$1,278,706

2014

$15,867 (+2.5%)

$401,816 + $664,503

$1,066,319

2013

$15,487 (+180.1%)

$401,816 + $664,503

$1,066,319

2012

$5,529 (+165.2%)

$400,000 + $661,500

$1,061,500

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

0.45 Acres

Year renovated

2012

Sq. Ft.

3,910

Year built

2012

Style

Single Family Residential

County

Contra Costa County

APN

1196300089

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2026.

Aug 7, 2017 • Final

Building/residential/mir/miscellaneous residential

Construct a pavilion according to plans. Install a new electrical sub-panel and a gas line for a fireplace. Install a cabinet with a maximum height of thirty-six inches.

Electrical

Gas

Remodel

Feb 17, 2017 • Final

Building/residential/p/pool

Install an above ground spa and include gas line stub outs for a fire pit, fireplace, and barbecue. Structural details must be submitted before construction begins.

Gas

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

Parking Information
Has Attached Garage
Garage Spaces: 3
Covered Spaces: 3
Parking Features: Attached, Tandem, Garage Door Opener

Interior

Virtual Tour

Bathroom Information
# of Bathrooms Total: 4
# of Bathrooms Full: 4
Other Bathrooms Included Features: Shower Over Tub, Solid Surface, Tile, Tub
Primary Bathroom Included Features: Stall Shower, Sunken Tub, Tile, Tub, Tub with Jets

Interior Features
Interior Features: Bonus/Plus Room, Dining Area, Family Room, Formal Dining Room, Kitchen/Family Combo, Office, Breakfast Bar, Stone Counters, Eat-in Kitchen, Kitchen Island, Pantry, Updated Kitchen, Sound System
Appliances: Dishwasher, Double Oven, Disposal, Gas Range, Microwave, Oven, Range, Refrigerator, Self Cleaning Oven
Laundry Features: Laundry Room
Upper Level Features: 3 Bedrooms, 3 Baths, Primary Bedrm Suite - 1, Laundry Facility
Street Level Features: 1 Bath, Main Entry
Window Features: Double Pane Windows
Fireplaces Total: 2
Has Fireplace
Flooring: Hardwood, Tile, Carpet

Room Information
Kitchen Features: Breakfast Bar,Counter - Stone,Dishwasher,Double Oven,Eat In Kitchen,Garbage Disposal,Gas Range/Cooktop,Island,Microwave,Oven Built-in,Pantry,Range/Oven Built-in,Refrigerator,Self-Cleaning Oven,Updated Kitchen,Other
Rooms Total: 12
Fireplace Features: Family Room, Gas, Living Room

Exterior

Building Information
Construction Materials: Stone, Stucco
Building Area Total: 4,235
Builder Name: Toll Brothers
Foundation Details: Slab

Exterior Features
Patio And Porch Features: Patio, Covered
Exterior Features: Back Yard, Side Yard
Fencing: Fenced

Pool Information
Pool Features: Gunite, In Ground, Solar Heat
Has Private Pool

Property Information
Living Area: 4235
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 2012

Lot Information
Lot Size Square Feet: 19602
Lot Size Area: 0.45
Lot Size Units: Acres
Lot Size Acres: 0.45
Lot Features: Court, Level, Premium Lot
Zoning: 1001

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Forced Air
Cooling: Central Air

Location

School Information
High School District: Mount Diablo (925) 682-8000

Public facts

Beds: 4
Baths: 4.0
Sq. Ft.: 3,910
Stories: 2.0
Lot Size: 0.45 acres
Style: Single Family Residential
Year Built: 2012
Year Renovated: 2012
County: Contra Costa County
APN: 1196300089

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Mt. Diablo Elementary School

Public K-5 • Assigned • 1.6mi

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, 19 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

$1.90M – $2.30M

Reach more buyers when you sell with Redfin. Save up to $20,209 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

OPEN TUE, 10AM TO 1PM

$775,000

3 beds2 baths1,389 sq ft

244 Stranahan Cir, Clayton, CA 94517

$1,049,000

4 beds2.5 baths2,141 sq ft

5706 Pepperridge Way, Concord, CA 94521

$899,950

3 beds2 baths1,794 sq ft

5545 Southbrook Dr, Clayton, CA 94517

$899,000

4 beds2.5 baths1,974 sq ft

1325 New Hampshire Dr, Concord, CA 94521

$1,374,000

6 beds3 baths3,384 sq ft

1011 Froyd Rd, Concord, CA 94521

$875,000

4 beds2 baths1,785 sq ft

1560 American Beauty Dr, Concord, CA 94521

New listings for sale in 94517

OPEN TUE, 10AM TO 1PM

$775,000

3 beds2 baths1,389 sq ft

244 Stranahan Cir, Clayton, CA 94517

COMING SOON

$1,099,999

4 beds2.5 baths2,534 sq ft

5849 Mitchell Canyon Ct, Clayton, CA 94517

$1,395,000

4 beds3 baths3,008 sq ft

308 Ahwanee Ln, Clayton, CA 94517

$749,000

4 beds2 baths1,578 sq ft

1013 Panadero Way, Clayton, CA 94517

COMING SOON

$1,675,000

4 beds3 baths3,011 sq ft

4 Pardi Ln, Clayton, CA 94517

$499,000

2 beds2 baths1,026 sq ft

3905 Coyote Crk, Clayton, CA 94517

Home values near 15 Seminary Ridge Pl

Data from public records.

Address	Redfin Estimate
26 Seminary Ridge Pl, Clayton, CA 4 Beds \| 3.5 Baths \| 3910 Sq. Ft.	$1,849,318
10 Seminary Ridge Pl, Clayton, CA 5 Beds \| 4 Baths \| 3691 Sq. Ft.	$1,616,961

Address	Redfin Estimate
18 Seminary Ridge Pl, Clayton, CA 4 Beds \| 3.5 Baths \| 4214 Sq. Ft.	$2,050,106
14 Seminary Ridge Pl, Clayton, CA 4 Beds \| 3.5 Baths \| 4214 Sq. Ft.	$2,005,806

Address	Redfin Estimate
22 Seminary Ridge Pl, Clayton, CA 4 Beds \| 4 Baths \| 3910 Sq. Ft.	$1,866,519
23 Seminary Ridge Pl, Clayton, CA 5 Beds \| 4.5 Baths \| 3910 Sq. Ft.	$1,903,374

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2014. This data may not match . Learn more.

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

94521 homes for sale
94598 homes for sale
94565 homes for sale
94517 homes for sale

Houses for rent in Clayton	Agents near me	Irvine, CA homes for sale	Clayton Housing Market
Houses for sale near me	San Diego, CA homes for sale	Fremont, CA homes for sale
Land for sale near me	San Francisco, CA homes for sale	Sacramento, CA homes for sale
Open Houses near me	Los Angeles, CA homes for sale	Clayton Property Records
Condos for sale near me	San Jose, CA homes for sale	CA New Listings

Oakland homes for sale
Berkeley homes for sale
Pleasanton homes for sale

About this home

Redfin Estimate

Earn from this home

Market trends in 94517, CA

Sale history for 15 Seminary Ridge Pl

Tax history for 15 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 15 Seminary Ridge Pl

More real estate resources