Contra Costa County property record for 23 Peterson Pl, Walnut Creek, CA 94595
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,082 sqft · built 1952 |
| Lot Size | 0.148 acres (6,461 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,327,000 (Jul 2024) |
| Tax Bill | $15,712 (2025) |
| Deeds & Mortgages | Apr 2024 Sale & Mortgage Mar 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 184-110-010-8 |
| Primary APN | 184-110-010-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,082 sqft Living Area |
| Gross Area | 1,498 sqft |
| 1st Floor Area | 1,082 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Bungalow |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 6,461 sqft (0.148 acres) |
| Lot Dimensions | 71 ft deep x 91 ft wide |
| Garage Type | Attached |
| Garage Area | 416 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Wall Unit |
|---|---|
| Heating System | Floor/Wall Furnace |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 23 PETERSON PL |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94595-1421 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10 |
| Legal Description | GOODMAN TRACT POR LOT 33 BLK A |
| Legal Subdivision | GOODMAN |
| Legal Block | A |
| Legal Lot Number | 33 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 341000 |
23 Peterson Pl is held in a trust since July 2024.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 23 GREEN BAY CT, WALNUT CREEK, CA 94595-1402 |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Apr 23, 2024 | Grant Deed, Transfer · Commercial Mortgage IRON BRIDGE MORTGAGE FUND LLC |
| Mar 2, 2022 | Intrafamily Transfer, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 10, 2024 · Amount on File |
| Deed Sale | Jul 10, 2024 · Amount on File |
| Prior Sale | Apr 23, 2024 · Amount on File |
| Deed Document Number | 202465442 |
| Prior Transfer Date | Feb 17, 2022 |
| Prior Transfer Doc | 0000038315 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 23, 2024 |
| Property Address | 23 PETERSON PL, WALNUT CREEK, CA 94595-1421 |
| Document Number | 0000037480 |
| Map Reference | MB 16 PG 354 |
| Instrument Date | Apr 18, 2024 |
| Instrument | 2024-037480 |
| Transaction Type | Transfer |
| Record Updated | May 7, 2024 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount on Record |
|---|---|
| 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 |
|---|---|
| Address | 2434 TASSAJARA LN, DANVILLE, CA 94526-4410 |
| Document Number | 0000037481 |
|---|---|
| Date | Apr 23, 2024 |
| Instrument | 2024-037481 |
| Name | IRON BRIDGE MORTGAGE FUND LLC |
|---|---|
| Type | Mortgage Company |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 12 Months |
| Due | Apr 22, 2025 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 2, 2022 |
| Property Address | 23 PETERSON PL, WALNUT CREEK, CA 94595-1421 |
| Document Number | 0000038315 |
| Map Reference | MB 16 PG 354 |
| Instrument Date | Feb 17, 2022 |
| Instrument | 2022-038315 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1954 WHITECLIFF CT, WALNUT CREEK, CA 94596-6226 |
The 2025 property tax bill for 23 Peterson Pl was $15,712.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| 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 | $1,391,540 (+4.86%) Land $1,132,200 Building $259,340 | |
| 2025 | $15,712.00 | $1,327,000 Land $1,110,000 Building $217,000 |
| 2023 | $3,248.00 (+1.75%) | $192,052 Land $106,700 Building $85,352 |
| 2022 | $3,192.00 |
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.
FEMA maps place 23 Peterson Pl in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 3 (1993–1999) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Mar 1999 · river or lake flooding |
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 risk around 23 Peterson Pl is low, with less than 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 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 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.
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 430 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Etheric Networks, Verizon.
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