Contra Costa County property record for 4603 Phyllis Ln, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,846 sqft · built 1964 |
| Lot Size | 0.241 acres (10,500 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $325,000 (Sep 2012) |
| Tax Bill | $5,429 (2025) |
| Deeds & Mortgages | Aug 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 115-437-004-1 |
| Primary APN | 115-437-004-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,846 sqft Living Area |
| Gross Area | 2,226 sqft |
| 1st Floor Area | 1,846 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 10,500 sqft (0.241 acres) |
| Garage Type | Attached |
| Garage Area | 380 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4603 PHYLLIS LN |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-1902 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R8 |
| Legal Description | TRACT 3227 LOT 161 EX POR MR & TR ADJ |
| Legal Subdivision | SUBDIVISION 3227 |
| Legal Tract | 3227 |
| Legal Lot Number | 161 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 333200 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 4603 PHYLLIS LN, CONCORD, CA 94521-1902 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 26, 2012 · Amount on Record |
| Deed Sale | Sep 26, 2012 · Amount on Record |
| Deed Document Number | 2012236211 |
| Prior Transfer Date | Apr 18, 2003 |
| Prior Transfer Doc | 0000202631 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4603 PHYLLIS LN, CONCORD, CA 94521-1902 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | ORANGE COAST TITLE |
| Name | Verified Name |
|---|---|
| Address | 4603 PHYLLIS LN, CONCORD, CA 94521-1902 |
| Document Number | 0000227777 |
|---|---|
| Date | Aug 16, 2021 |
| Instrument | 2021-227777 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Mortgage Company |
| Address | CHICAGO, IL 60613 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Sep 1, 2036 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Concord City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $408,206 (+2%) Land $267,284 Building $140,922 | |
| 2025 | $5,429.00 (+4.95%) | $400,203 (+4.04%) Land $262,044 Building $138,159 |
| 2023 | $5,173.00 (+1.57%) | $384,664 Land $251,869 Building $132,795 |
| 2022 | $5,093.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% 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.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) 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.
Source: FCC Broadband Data Collection, based on 637 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 |
| AT&T DSL | 100 / 20 |
May also be available: Verizon.
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