912 Helix Dr, Concord, CA 94518 Property Records

Contra Costa County property record for 912 Helix Dr, Concord, CA 94518

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,290 sqft · built 1991
Lot Size	0.165 acres (7,200 sqft)
Owner	Company Name on File
Last Sale	$632,500 (Feb 2015)
Tax Bill	$9,400 (2025)
Deeds & Mortgages	May 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`147-320-084-6`

Property Details

APN / Parcel Number

Primary APN	`147-320-084-6`
Alternative APN	`147-320-084`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,290 sqft Living Area
1st Floor Area	1,206 sqft
2nd Floor Area	1,084 sqft

Exterior

Year Built	Built 1991
Effective Year Built	Effective 1991
Lot Area	7,200 sqft (0.165 acres)
Garage Type	Attached
Garage Area	695 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	912 HELIX DR
City	CONCORD
State	CA
Zip	94518-3447
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-7
Legal Description	T7305 L2
Legal Subdivision	SUBDIVISION #7305
Legal Tract	7305
Legal Lot Number	2
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2015
Census Tract	338102

Owner

Source: Contra Costa County records · APN 147-320-084-6

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

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

Owner of Record	Company Name on File
Mailing Address	912 HELIX DR, CONCORD, CA 94518-3447
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Feb 09, 2015 · Amount on Record
Deed Sale	Feb 09, 2015 · Amount on Record
Prior Sale	Nov 02, 1998 · Amount on Record
Deed Document Number	201521042
Last Transfer Date	May 16, 2023
Transfer Doc	0000048082
Record Updated	Sep 20, 2026

May 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	May 22, 2023
Property Address	912 HELIX DR, CONCORD, CA 94518-3447
Document Number	0000048082
Map Reference	MB 338 PG 39
Instrument Date	May 16, 2023
Instrument	2023-048082
Transaction Type	Transfer
Record Updated	Jun 01, 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	Revocable Trust
Address	912 HELIX DR, CONCORD, CA 94518-3447

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 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		$775,363 (+2%) Land $441,315 Building $334,048
2025	$9,400.00 (+4.47%)	$760,161 (+4.04%) Land $432,662 Building $327,499
2023	$8,998.00 (+1.26%)	$730,645 Land $415,862 Building $314,783
2022	$8,886.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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	4 in force

Wildfire

Wildfire Risk	Not rated no burnable land 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 as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Radiate Holdings Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20

May also be available: T-Mobile USA.

Based on FCC filings for 665 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CONTRA COSTA WATER DISTRICT serves 210,500 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.