1235 Mountain Side Ct, Concord, CA 94521 Property Records

Contra Costa County property record for 1235 Mountain Side Ct, Concord, CA 94521

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.5 ba · 3,358 sqft · built 2003
Lot Size	0.15 acres (6,545 sqft)
Owner	2 Company Names on Record
Last Sale	$1,400,000 (May 2023)
Tax Bill	$17,003 (2025)
Deeds & Mortgages	Jul 2023 Transfer May 2023 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`135-400-008-3`

Property Details

APN / Parcel Number

Primary APN	`135-400-008-3`
Alternative APN	`135-400-008`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	3,358 sqft Living Area
1st Floor Area	1,693 sqft
2nd Floor Area	1,665 sqft

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2003
Architectural Style	Cluster
Lot Area	6,545 sqft (0.15 acres)
Garage Type	Attached
Garage Area	662 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	1235 MOUNTAIN SIDE CT
City	CONCORD
State	CA
Zip	94521-5508
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	A-2
Legal Description	T8437 L124
Legal Subdivision	SUBDIVISION 8437
Legal Tract	8437
Legal Lot Number	124
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, as of July 14, 2026

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

Owner of Record	2 Company Names on Record
Mailing Address	1235 MOUNTAIN SIDE CT, CONCORD, CA 94521-5508
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 6, 2023	Intrafamily Transfer, Transfer
May 18, 2023	Grant Deed, Transfer · Conventional Mortgage CROSSCOUNTRY MORTGAGE LLC
Jun 15, 2023	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 18, 2023 · Amount on Record
Deed Sale	May 18, 2023 · Amount on Record
Prior Sale	Apr 14, 2003 · Amount on Record
Deed Document Number	202347242
Last Transfer Date	Jun 23, 2023
Transfer Doc	0000064191
Record Updated	Sep 20, 2026

July 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 6, 2023
Property Address	1235 MOUNTAIN SIDE CT, CONCORD, CA 94521-5508
Document Number	0000064191
Map Reference	MB 438 PG 15
Instrument Date	Jun 23, 2023
Instrument	2023-064191
Transaction Type	Transfer
Record Updated	Jul 17, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	1235 MOUNTAIN SIDE CT, CONCORD, CA 94521-5508

May 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 18, 2023
Property Address	1235 MOUNTAIN SIDE CT, CONCORD, CA 94521-5508
Document Number	0000047242
Map Reference	MB 438 PG 15
Instrument Date	May 12, 2023
Instrument	2023-047242
Transaction Type	Transfer
Record Updated	May 29, 2023
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
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 with Right of Survivorship
Address	1235 MOUNTAIN SIDE CT, CONCORD, CA 94521-5508

Mortgage

Document Number	0000047243
Date	May 18, 2023
Instrument	2023-047243

Lender

Name	CROSSCOUNTRY MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2053

June 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 15, 2023
Property Address	1235 MOUNTAIN SIDE CT, CONCORD, CA 94521-5508
Document Number	0000057270
Map Reference	MB 208 PG 33
Instrument Date	May 12, 2023
Instrument	2023-057270
Transaction Type	Transfer
Record Updated	Jun 26, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	1235 MOUNTAIN SIDE CT, CONCORD, CA 94521-5508

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 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

Year	Tax Bill	Assessed Value
2026		$1,485,691 (+2%) Land $668,561 Building $817,130
2025	$17,003.00 (+32.77%) Homeowner's exemption	$1,456,560 (+35.45%) Land $655,452 Building $801,108
2023	$12,806.00 (+1.8%)	$1,075,376 (+2%) Land $375,855 Building $699,521
2022	$12,579.00 Homeowner's exemption	$1,054,291 Land $368,486 Building $685,805

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	1 in force

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.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 62% of the US · lower than 62% of California
Wildfire Likelihood	0.2% annual chance
Exposure	Indirect within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003
Water Source	Surface water
Last State Inspection	Jan 2022
Lead	Under 1 ppb (2026–2028) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 376 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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