1230 Mountain Side Ct, Concord, CA 94521 Property Records

Contra Costa County property record for 1230 Mountain Side Ct, Concord, CA 94521 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	5 bd · 4.5 ba · 3,521 sqft · built 2003
Lot Size	0.17 acres (7,410 sqft)
Owner	2 Individual Names on File
Last Sale	$1,650,000 (Apr 2022)
Tax Bill	$18,312 (2025)
Deeds & Mortgages	Apr 2022 Sale May 2021 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`135-400-005-9`

Property Details

APN / Parcel Number

Primary APN	`135-400-005-9`
Alternative APN	`135-400-005`

Interior

Bedrooms	5 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	3,521 sqft Living Area
1st Floor Area	1,842 sqft
2nd Floor Area	1,679 sqft

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2010
Architectural Style	Cluster
Lot Area	7,410 sqft (0.17 acres)
Garage Type	Attached
Garage Area	600 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	1230 MOUNTAIN SIDE CT
City	CONCORD
State	CA
Zip	94521-5508
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T8437 L121
Legal Subdivision	SUBDIVISION 8437
Legal Tract	8437
Legal Lot Number	121
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2008
Census Tract	355309

Owner

Source: Contra Costa County records · APN 135-400-005-9

Assessment roll updated July 14, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	1230 MOUNTAIN SIDE CT, CONCORD, CA 94521-5508
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Apr 19, 2022	Grant Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY
May 10, 2021	Grant Deed, Transfer · Conventional Mortgage JPMORGAN CHASE BANK NA
Apr 26, 2018	Deed of Trust, Mortgage · Conventional Mortgage SUPREME LNDG

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Apr 19, 2022 · Amount on Record
Deed Sale	Apr 19, 2022 · Amount on Record
Prior Sale	May 10, 2021 · Amount on Record
Deed Document Number	202267276
Prior Transfer Date	Jan 22, 2007
Prior Transfer Doc	0000028249
Record Updated	Sep 20, 2026

April 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 19, 2022
Property Address	1230 MOUNTAIN SIDE CT, CONCORD, CA 94521-5508
Document Number	0000067276
Map Reference	MB 438 PG 15
Instrument Date	Apr 12, 2022
Instrument	2022-067276
Transaction Type	Transfer
Record Updated	Nov 03, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	38056 BALLARD DR, FREMONT, CA 94536-7133

May 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 10, 2021
Property Address	1230 MOUNTAIN SIDE CT, CONCORD, CA 94521-5508
Document Number	0000139293
Map Reference	MB 438 PG 15
Instrument Date	May 05, 2021
Instrument	2021-139293
Transaction Type	Transfer
Record Updated	Nov 03, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	1230 MOUNTAIN SIDE CT, CONCORD, CA 94521-5508

Mortgage

Document Number	0000139294
Date	May 10, 2021
Instrument	2021-139294

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 01, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.5%
Type Change Date	Jun 01, 2028
Change Frequency	6 Months
Min Rate At Change	2.75%
Max Rate At Change	7.5%
Index	Other
Max Rate	7.5%

April 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1230 MOUNTAIN SIDE CT, CONCORD, CA 94521-5508
Document Number	0000068290
Instrument Date	Apr 26, 2018
Transaction Type	Mortgage
Record Updated	May 08, 2018
Title Company	NORTH AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	1230 MOUNTAIN SIDE CT CONCORD CA 945215508, CONCORD, CA 94521-5508

Mortgage

Document Number	0000068290
Date	May 02, 2018
Instrument	68290

Lender

Name	SUPREME LNDG
Address	DALLAS, TX 75254

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 01, 2048

Interest

Rate Type	Adjustable Rate
Rate	3.75%

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Concord City
Unified School District	Mount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Tax Bill	Assessed Value
2026		$1,580,000 (+0.77%) Land $861,818 Building $718,182
2025	$18,312.00 (+8.37%)	$1,568,000 (+8.51%) Land $855,000 Building $713,000
2023	$16,897.00 (+8.18%)	$1,445,000 Land $788,000 Building $657,000
2022	$15,620.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133553092, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	1 in force

Wildfire

Wildfire Risk	Moderate above 63% of the US · above 38% of California
Wildfire Likelihood	About 1 in 481 per year
Exposure	Indirect within ember reach

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 376 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Xfinity	Cable	2,000 / 250
Radiate Holdings	Cable	1,500 / 50
Unwired	Fixed Wireless	300 / 25
Verizon	Fixed Wireless	300 / 20
T-Mobile USA	Fixed Wireless	100 / 20

May also be available at this address: AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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