Contra Costa County property record for 470 Summit Rd, Walnut Creek, CA 94598
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,939 sqft · built 1961 |
| Lot Size | 0.289 acres (12,588 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,412,000 (Jun 2019) |
| Tax Bill | $18,354 (2025) |
| Deeds & Mortgages | Apr 2021 Mortgage Nov 2022 Transfer + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 179-202-031-3 |
| Primary APN | 179-202-031-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,939 sqft Living Area |
| 1st Floor Area | 1,587 sqft |
| Basement Area | 352 sqft |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1985 |
| Lot Area | 12,588 sqft (0.289 acres) |
| Garage Type | Attached |
| Garage Area | 504 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 470 SUMMIT RD |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94598-4734 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R115 |
| Legal Description | RO SAN MIGUEL .289 AC |
| Legal Subdivision | SAN MIGUEL RHO |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 343002 |
Source: Contra Costa County records · APN 179-202-031-3
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 | 470 SUMMIT RD, WALNUT CREEK, CA 94598-4734 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Apr 23, 2021 | Deed of Trust, Mortgage · Conventional Mortgage FIRST REPUBLIC BANK |
| Nov 15, 2022 | Intrafamily Transfer, Transfer |
| Jun 28, 2019 | Grant Deed, Transfer · Conventional Mortgage FIRST REPUBLIC BANK |
| Mar 21, 2017 | Grant Deed, Transfer BANK OF AMERICA |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 28, 2019 · Amount on Record |
| Deed Sale | Jun 28, 2019 · Amount on Record |
| Prior Sale | Mar 21, 2017 · Amount on Record |
| Deed Document Number | 201998968 |
| Last Transfer Date | Oct 27, 2022 |
| Transfer Doc | 0000173857 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 470 SUMMIT RD, WALNUT CREEK, CA 94598-4734 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 470 SUMMIT RD, WALNUT CREEK, CA 94598-4734 |
| Document Number | 0000122845 |
|---|---|
| Date | Apr 23, 2021 |
| Instrument | 2021-122845 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 01, 2051 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 15, 2022 |
| Property Address | 470 SUMMIT RD, WALNUT CREEK, CA 94598-4734 |
| Document Number | 0000173857 |
| Instrument Date | Oct 27, 2022 |
| Instrument | 2022-173857 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 470 SUMMIT RD, WALNUT CREEK, CA 94598-4734 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 28, 2019 |
| Property Address | 470 SUMMIT RD, WALNUT CREEK, CA 94598-4734 |
| Document Number | 0000098968 |
| Instrument Date | Jun 19, 2019 |
| Instrument | 2019-098968 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 470 SUMMIT RD, WALNUT CREEK, CA 94598-4734 |
| Document Number | 0000098969 |
|---|---|
| Date | Jun 28, 2019 |
| Instrument | 2019-098969 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2049 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 21, 2017 |
| Property Address | 470 SUMMIT RD, WALNUT CREEK, CA 94598-4734 |
| Document Number | 0000048354 |
| Instrument Date | Mar 10, 2017 |
| Instrument | 48354 |
| Transaction Type | Transfer |
| Record Updated | Mar 29, 2017 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,309.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 470 SUMMIT RD WALNUT CREEK CA 945984734, WALNUT CREEK, CA 94598-4734 |
| Document Number | 48355 |
|---|---|
| Date | Mar 21, 2017 |
| Instrument | 48355 |
| Name | BANK OF AMERICA |
|---|---|
| Type | Bank |
| Address | CHARLOTTE, NC 28255 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Mar 20, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.75% |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,606,608 (+2%) Land $1,137,827 Building $468,781 | |
| 2025 | $18,354.00 (+3.84%) Homeowner's exemption | $1,575,107 (+4.04%) Land $1,115,517 Building $459,590 |
| 2023 | $17,676.00 (+2.29%) Homeowner's exemption | $1,513,946 Land $1,072,201 Building $441,745 |
| 2022 | $17,280.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 45 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 45 in force |
| Nearby Flood Claims | 25 (1982–2023) |
| Claims Outside the SFHA | 1 of 25 |
| Most Recent Claim | Feb 2023 · Severe Winter Storms And Mudslides |
| Claims by Event |
|
| Wildfire Risk | Moderate above 40% of the US · lower than 76% of California |
|---|---|
| Wildfire Likelihood | 0.07% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Cable · Fiber in parts of the area | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Etheric Communications, LLC..
Based on FCC filings for 480 locations within half a mile of this property.
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 | EAST BAY MUD serves 1,468,000 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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