Contra Costa County property record for 233 Oak Knoll Loop, Walnut Creek, CA 94596
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,574 sqft · built 1971 |
| Lot Size | 0.31 acres (13,500 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $2,115,000 (Nov 2023) |
| Tax Bill | $24,798 (2025) |
| Deeds & Mortgages | Nov 2023 Sale & Mortgage Sep 2023 Mortgage + 6 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 180-030-022-8 |
| Primary APN | 180-030-022-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,574 sqft Living Area |
| 1st Floor Area | 1,396 sqft |
| 2nd Floor Area | 1,178 sqft |
| Basement Area | 2,574 sqft |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1980 |
| Lot Area | 13,500 sqft (0.31 acres) |
| Garage Type | Attached |
| Garage Area | 478 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 233 OAK KNOLL LOOP |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94596-5420 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20 |
| Legal Description | PARCEL MAP 8 PG 1 PCL D |
| Legal Subdivision | PM 8 1 |
| Legal Tract | 8PM1 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 343001 |
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 | 233 OAK KNOLL LOOP, WALNUT CREEK, CA 94596-5420 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Nov 3, 2023 | Grant Deed, Transfer · Conventional Mortgage CITIBANK NA |
| Sep 14, 2023 | Deed of Trust, Mortgage · Commercial Mortgage PAUL W HISS 2001 TRUST |
| Sep 18, 2023 | Quit Claim Deed, Transfer Quitclaim |
| Nov 16, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage PROSPECT HOME FINANCE |
| Nov 16, 2021 | Intrafamily Transfer, Transfer ATLANTIS TITLE COMPANY, ATLAS TITLE COMPANY |
| Sep 11, 2019 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Sep 11, 2019 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Jul 19, 2018 | Deed of Trust, Mortgage |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 3, 2023 · Amount on Record |
| Deed Sale | Nov 3, 2023 · Amount on Record |
| Deed Document Number | 2023118987 |
| Prior Transfer Date | Sep 7, 2023 |
| Prior Transfer Doc | 0000090222 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 3, 2023 |
| Property Address | 233 OAK KNOLL LOOP, WALNUT CREEK, CA 94596-5420 |
| Document Number | 0000118987 |
| Map Reference | MB 8 PG 1 |
| Instrument Date | Nov 1, 2023 |
| Instrument | 2023-118987 |
| Transaction Type | Transfer |
| Record Updated | Nov 15, 2023 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 233 OAK KNOLL LOOP, WALNUT CREEK, CA 94596-5420 |
| Document Number | 0000118988 |
|---|---|
| Date | Nov 3, 2023 |
| Instrument | 2023-118988 |
| Name | CITIBANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 1, 2053 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 233 OAK KNOLL LOOP, WALNUT CREEK, CA 94596-5420 |
| Transaction Type | Mortgage |
| Record Updated | Sep 29, 2023 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 233 OAK KNOLL LOOP, WALNUT CREEK, CA 94596-5420 |
| Document Number | 0000088957 |
|---|---|
| Date | Sep 14, 2023 |
| Instrument | 2023-088957 |
| Name | PAUL W HISS 2001 TRUST |
|---|---|
| Type | Private Party |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 18, 2023 |
| Property Address | 233 OAK KNOLL LOOP, WALNUT CREEK, CA 94596-5420 |
| Document Number | 0000090222 |
| Map Reference | MB 8 PG 1 |
| Instrument Date | Sep 7, 2023 |
| Instrument | 2023-090222 |
| Transaction Type | Transfer |
| Record Updated | Sep 29, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 233 OAK KNOLL LOOP, WALNUT CREEK, CA 94596-5420 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 16, 2021 |
| Property Address | 233 OAK KNOLL LOOP, WALNUT CREEK, CA 94596-5420 |
| Document Number | 0000317549 |
| Map Reference | MB 8 PG 1 |
| Instrument Date | Sep 29, 2021 |
| Instrument | 2021-317549 |
| Transaction Type | Transfer |
| Record Updated | Sep 29, 2023 |
| Title Company | ATLANTIS TITLE COMPANY, ATLAS TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 233 OAK KNOLL LOOP, WALNUT CREEK, CA 94596-5420 |
| Document Number | 0000317550 |
|---|---|
| Date | Nov 16, 2021 |
| Instrument | 2021-317550 |
| Name | PROSPECT HOME FINANCE |
|---|---|
| Type | Non-Lending Institution |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 1, 2051 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 16, 2021 |
| Property Address | 233 OAK KNOLL LOOP, WALNUT CREEK, CA 94596-5420 |
| Document Number | 0000317551 |
| Map Reference | MB 8 PG 1 |
| Instrument Date | Sep 29, 2021 |
| Instrument | 2021-317551 |
| Transaction Type | Transfer |
| Record Updated | Sep 29, 2023 |
| Title Company | ATLANTIS TITLE COMPANY, ATLAS TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 233 OAK KNOLL LOOP, WALNUT CREEK, CA 94596-5420 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 11, 2019 |
| Property Address | 233 OAK KNOLL LOOP, WALNUT CREEK, CA 94596-5420 |
| Document Number | 0000149628 |
| Instrument Date | Aug 26, 2019 |
| Instrument | 149628 |
| Transaction Type | Transfer |
| Record Updated | Oct 4, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 233 OAK KNOLL LOOP WALNUT CREEK CA 945965420, WALNUT CREEK, CA 94596-5420 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 11, 2019 |
| Property Address | 233 OAK KNOLL LOOP, WALNUT CREEK, CA 94596-5420 |
| Document Number | 0000149629 |
| Instrument Date | Aug 26, 2019 |
| Instrument | 149629 |
| Transaction Type | Transfer |
| Record Updated | Oct 4, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 233 OAK KNOLL LOOP WALNUT CREEK CA 945965420, WALNUT CREEK, CA 94596-5420 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 233 OAK KNOLL LOOP, WALNUT CREEK, CA 94596-5420 |
| Document Number | 0000123201 |
| Instrument Date | Jul 19, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Aug 14, 2018 |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 233 KNOLL LOOP WALNUT CREEK CA 94596, WALNUT CREEK, CA 94596 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Walnut Creek City |
| Secondary School District | Acalanes Union High School District (09 - 12) |
| Elementary School District | Walnut Creek Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $2,200,446 (+2%) Land $1,264,086 Building $936,360 | |
| 2025 | $24,798.00 (+237.99%) | $2,157,300 (+277.59%) Land $1,239,300 Building $918,000 |
| 2023 | $7,337.00 (+2.14%) Homeowner's exemption | $571,341 Land $224,070 Building $347,271 |
| 2022 | $7,183.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 8 (10% 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 64% of the US · lower than 79% of California |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 340 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Etheric Networks, Verizon.
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