Contra Costa County property record for 439 Montecillo Dr, Walnut Creek, CA 94595
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 4,113 sqft · built 1979 |
| Lot Size | 1.03 acres (45,302 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $1,800,000 (Jul 2018) |
| Tax Bill | $23,189 (2025) |
| Deeds & Mortgages | Feb 2026 Transfer Apr 2023 Line of Credit + 4 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 184-470-003-7 |
| Primary APN | 184-470-003-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 12 Rooms |
| Stories | 1 Story |
| Building Area | 4,113 sqft Living Area |
| Gross Area | 4,876 sqft |
| 1st Floor Area | 3,476 sqft |
| Basement Area | 595 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Raised Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 45,302 sqft |
| Garage Type | Attached |
| Garage Area | 763 sqft |
| Parking Spaces | 3 Parking Spaces |
| Deck Area | Deck Area |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 439 MONTECILLO DR |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94595-2303 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20 |
| Legal Description | TR 4979 LOT 3 |
| Legal Subdivision | SAID SUBDIVISION FILED SEPTEMBER 2 1977 |
| Legal Tract | 4979 |
| Legal Lot Number | 3 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 334200 |
Source: Contra Costa County records · APN 184-470-003-7
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 | 2 Company Names on File |
|---|---|
| Mailing Address | 439 MONTECILLO DR, WALNUT CREEK, CA 94595-2303 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Revocable Trust |
| Date | Document |
|---|---|
| Feb 13, 2026 | Intrafamily Transfer, Transfer |
| Apr 14, 2023 | Deed of Trust, Mortgage · Line of Credit FIRST REPUBLIC BANK |
| Nov 10, 2022 | Intrafamily Transfer, Transfer |
| Jan 28, 2019 | Deed of Trust, Mortgage · ARM JPMORGAN CHASE BANK NA |
| Nov 03, 2020 | Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Jul 25, 2018 | Grant Deed, Transfer · ARM LUTHER BURBANK SAVINGS |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 25, 2018 · Amount on Record |
| Deed Sale | Jul 25, 2018 · Amount on Record |
| Deed Document Number | 2018118830 |
| Last Transfer Date | Nov 04, 2022 |
| Transfer Doc | 0000172319 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 13, 2026 |
| Property Address | 439 MONTECILLO DR, WALNUT CREEK, CA 94595-2303 |
| Document Number | 0000014912 |
| Instrument Date | Feb 13, 2026 |
| Instrument | 2026- 014912 |
| Transaction Type | Transfer |
| Record Updated | Feb 25, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 439 MONTECILLO DR, WALNUT CREEK, CA 94595-2303 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 439 MONTECILLO DR, WALNUT CREEK, CA 94595-2303 |
| Transaction Type | Mortgage |
| Record Updated | Apr 25, 2023 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 439 MONTECILLO DR, WALNUT CREEK, CA 94595-2303 |
| Document Number | 0000035016 |
|---|---|
| Date | Apr 14, 2023 |
| Instrument | 2023-035016 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 300 Months |
| Due | Apr 26, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 10, 2022 |
| Property Address | 439 MONTECILLO DR, WALNUT CREEK, CA 94595-2303 |
| Document Number | 0000172319 |
| Map Reference | MB 202 PG 20 |
| Instrument Date | Nov 04, 2022 |
| Instrument | 2022-172319 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Revocable Trust |
| Address | 439 MONTECILLO DR, WALNUT CREEK, CA 94595-2303 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 439 MONTECILLO DR, WALNUT CREEK, CA 94595-2303 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | AMEROCK TITLE CALIFORNIA INC |
| Name | Verified Name |
|---|
| Document Number | 0000011432 |
|---|---|
| Date | Jan 28, 2019 |
| Instrument | 2019-011432 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 01, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.87% |
| Type Change Date | Feb 01, 2029 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 8.87% |
| Index | 1-Year LIBOR |
| Max Rate | 8.87% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 439 MONTECILLO DR, WALNUT CREEK, CA 94595-2303 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | AMROCK TITLE CALIFORNIA INC |
| Name | Verified Name |
|---|---|
| Address | 439 MONTECILLO DR, WALNUT CREEK, CA 94595-2303 |
| Document Number | 0000261405 |
|---|---|
| Date | Nov 03, 2020 |
| Instrument | 2020-261405 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 358 Months |
| Due | Sep 01, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 25, 2018 |
| Property Address | 439 MONTECILLO DR, WALNUT CREEK, CA 94595-2303 |
| Document Number | 0000118830 |
| Map Reference | MB 202 PG 20 |
| Instrument Date | Jul 17, 2018 |
| Instrument | 2018-118830 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | NORTH AMERICAN 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 | Joint Tenants |
| Address | 439 MONTECILLO DR, WALNUT CREEK, CA 94595-2303 |
| Document Number | 0000118831 |
|---|---|
| Date | Jul 25, 2018 |
| Instrument | 2018-118831 |
| Name | LUTHER BURBANK SAVINGS |
|---|---|
| Type | Lending Institution |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 01, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.75% |
| Type Change Date | Aug 01, 2023 |
| Change Frequency | Annually |
| Min Rate At Change | 3.25% |
| Max Rate At Change | 6.75% |
| Index | 1-Year LIBOR |
| Max Rate | 10.7% |
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 | $2,048,088 (+2%) Land $1,137,827 Building $910,261 | |
| 2025 | $23,189.00 (+3.8%) | $2,007,930 (+4.04%) Land $1,115,517 Building $892,413 |
| 2023 | $22,341.00 (+2.31%) | $1,929,961 Land $1,072,201 Building $857,760 |
| 2022 | $21,837.00 |
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 |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 7 in force |
| Nearby Flood Claims | 57 (1982–2005) |
| Claims Outside the SFHA | 3 of 57 |
| Most Recent Claim | Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides |
| Claims by Event |
|
| Wildfire Risk | Low lower than 65% of the US · lower than 79% of California |
|---|---|
| Wildfire Likelihood | 0.03% 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) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Radiate Holdings Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Communications, LLC., Verizon.
Based on FCC filings for 224 locations within half a mile of this property.
5G (outdoors only) and 4G LTE
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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