91 Aleman Ct, Walnut Creek, CA 94597 Property Records

Contra Costa County property record for 91 Aleman Ct, Walnut Creek, CA 94597

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,538 sqft · built 1971
Lot Size	0.184 acres (8,000 sqft)
Owner	2 Individual Names on File
Last Sale	$753,000 (Jul 2007)
Tax Bill	$12,091 (2025)
Deeds & Mortgages	Nov 2025 Mortgage Jun 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`171-250-050-1`

Property Details

APN / Parcel Number

Primary APN	`171-250-050-1`
Alternative APN	`171-250-050`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,538 sqft Living Area
Gross Area	2,008 sqft
1st Floor Area	1,538 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1971
Effective Year Built	Effective 1989
Architectural Style	Ranch
Exterior Material	Stucco
Construction Type	Concrete
Roof Material	Wood Shingle
Lot Area	8,000 sqft (0.184 acres)
Lot Dimensions	120 ft deep x 79 ft wide
Garage Type	Attached
Garage Area	470 sqft
Parking Spaces	2 Parking Spaces
Deck Area	Deck Area

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	91 ALEMAN CT
City	WALNUT CREEK
State	CA
Zip	94597-2427
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R7
Legal Description	TRACT 3953 LOT 11
Legal Subdivision	ADAK HOMESITES
Legal Tract	3953
Legal Lot Number	11
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2003
Census Tract	340003

Owner

91 Aleman Ct is owned and occupied by two individuals who bought it in July 2007.

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

Owner of Record	2 Individual Names on File
Mailing Address	91 ALEMAN CT, WALNUT CREEK, CA 94597-2427
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

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
Nov 5, 2025	Deed of Trust, Mortgage · Commercial Mortgage STAR ONE CU
Jun 24, 2020	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 19, 2007 · Amount on File
Deed Sale	Jul 19, 2007 · Amount on File
Prior Sale	Jul 19, 2007 · Amount on File
Deed Document Number	2007208474
Prior Transfer Date	Jul 2, 1996
Prior Transfer Doc	0000133398
Record Updated	Oct 29, 2026

November 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	91 ALEMAN CT, WALNUT CREEK, CA 94597-2427
Transaction Type	Mortgage
Record Updated	Jun 8, 2026
Title Company	ATLANTIS TITLE COMPANY, ATLAS TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	91 ALEMAN CT, WALNUT CREEK, CA 94597-2427

Mortgage

Document Number	0000125230
Date	Nov 5, 2025
Instrument	2025- 125230

Lender

Name	STAR ONE CU
Type	Credit Union
Address	PO BOX 3643, SUNNYVALE, CA 94088

Agreement

Type	Commercial Mortgage
Amount	Amount on Record
Term	241 Months
Due	Dec 1, 2045

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	91 ALEMAN CT, WALNUT CREEK, CA 94597-2427
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000122392
Date	Jun 24, 2020
Instrument	2020-122392

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 91 Aleman Ct was $12,091.

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,036,698 (+2%) Land $736,877 Building $299,821
2025	$12,091.00	$1,016,372 Land $722,429 Building $293,943
2023	$11,623.00 (+0.88%)	$976,907 Land $694,377 Building $282,530
2022	$11,522.00

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

Flood

FEMA maps place 91 Aleman Ct 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 91 Aleman Ct is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 97% of the US · lower than 97.8% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond 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	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 490 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20

May also be available: T-Mobile.

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