1100 Glenwillow Ln, Concord, CA 94521 Property Records

Contra Costa County property record for 1100 Glenwillow Ln, Concord, CA 94521

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 3,148 sqft · built 1989
Lot Size	0.255 acres (11,086 sqft)
Owner	2 Individual Names on File
Last Sale	$1,550,000 (Dec 2021)
Tax Bill	$18,837 (2025)
Deeds & Mortgages	Dec 2021 Sale & Mortgage Dec 2018 Transfer
Flood Zone	Zone X (minimal risk)
APN	`121-270-035-3`

Property Details

APN / Parcel Number

Primary APN	`121-270-035-3`
Alternative APN	`121-270-035`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	13 Rooms
Stories	2 Stories
Building Area	3,148 sqft Living Area
1st Floor Area	1,937 sqft
2nd Floor Area	1,211 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1989
Effective Year Built	Effective 1998
Architectural Style	Traditional
Lot Area	11,086 sqft (0.255 acres)
Garage Type	Attached
Garage Area	702 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Street Address	1100 GLENWILLOW LN
City	CONCORD
State	CA
Zip	94521-5016
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	PD
Legal Description	T6503 L83
Legal Subdivision	SUBDIVISION 6503
Legal Tract	6503
Legal Lot Number	83
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3006
Census Tract	355309

Owner

1100 Glenwillow Ln is owned and occupied by two individuals who bought it in December 2021.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record	2 Individual Names on File
Mailing Address	1100 GLENWILLOW LN, CONCORD, CA 94521-5016
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Dec 10, 2021	Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Dec 24, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 10, 2021 · Amount on File
Deed Sale	Dec 10, 2021 · Amount on File
Prior Sale	Sep 17, 2015 · Amount on File
Deed Document Number	2021335749
Prior Transfer Date	Dec 18, 2018
Prior Transfer Doc	0000205415
Record Updated	Oct 29, 2026

December 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 10, 2021
Property Address	1100 GLENWILLOW LN, CONCORD, CA 94521-5016
Document Number	0000335749
Map Reference	MB 294 PG 28
Instrument Date	Nov 30, 2021
Instrument	2021-335749
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount on Record
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	1100 GLENWILLOW LN, CONCORD, CA 94521-5016

Mortgage

Document Number	0000335750
Date	Dec 10, 2021
Instrument	2021-335750

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jan 1, 2052

December 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 24, 2018
Property Address	1100 GLENWILLOW LN, CONCORD, CA 94521-5016
Document Number	0000205415
Instrument Date	Dec 18, 2018
Instrument	205415
Transaction Type	Transfer
Record Updated	Jan 13, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	1100 GLENWILLOW LN CONCORD CA 945215016, CONCORD, CA 94521-5016

Tax Assessment & Valuation

The 2025 property tax bill for 1100 Glenwillow Ln was $18,837.

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		$1,600,000 (+0.13%) Land $722,581 Building $877,419
2025	$18,837.00	$1,598,000 Land $722,000 Building $876,000
2023	$17,445.00 (-5.2%)	$1,477,000 Land $667,000 Building $810,000
2022	$18,401.00

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

Flood

FEMA maps place 1100 Glenwillow Ln in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 1100 Glenwillow Ln is moderate, ranking above 60% of the US, with a 0.2% annual chance of wildfire.

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

Wildfire Risk	Moderate above 60% of the US · lower than 63% of California
Wildfire Likelihood	0.2% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 302 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
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless · DSL	100 / 20

May also be available: Unwired.

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