Contra Costa County property record for 4691 S Larwin Ave, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,842 sqft · built 1975 |
| Lot Size | 0.128 acres (5,580 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $658,000 (May 2007) |
| Tax Bill | $10,663 (2025) |
| Deeds & Mortgages | Oct 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 133-331-005-8 |
| Primary APN | 133-331-005-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,842 sqft Living Area |
| 1st Floor Area | 950 sqft |
| 2nd Floor Area | 892 sqft |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1976 |
| Architectural Style | Cluster |
| Lot Area | 5,580 sqft (0.128 acres) |
| Garage Type | Attached |
| Garage Area | 454 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 4691 S LARWIN AVE |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-4526 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PD |
| Legal Description | T03936 L0114 B EX MR |
| Legal Subdivision | SUBDIVISION 3936 |
| Legal Tract | 03936 |
| Legal Lot Number | 114 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 334006 |
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 Individual Names on Record |
|---|---|
| Mailing Address | 4691 S LARWIN AVE, CONCORD, CA 94521-4526 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 25, 2007 · Amount on Record |
| Deed Sale | May 25, 2007 · Amount on Record |
| Deed Document Number | 2007153431 |
| Prior Transfer Date | Dec 15, 2003 |
| Prior Transfer Doc | 0000617295 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4691 S LARWIN AVE, CONCORD, CA 94521-4526 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 4691 S LARWIN AVE, CONCORD, CA 94521-4526 |
| Document Number | 0000298084 |
|---|---|
| Date | Oct 22, 2021 |
| Instrument | 2021-298084 |
| Name | INTELLILOAN INC |
|---|---|
| Type | Mortgage Company |
| Address | SANTA ANA, CA 92799 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Nov 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 | $899,191 (+2%) Land $462,442 Building $436,749 | |
| 2025 | $10,663.00 (+4.41%) Homeowner's exemption | $881,561 (+4.04%) Land $453,375 Building $428,186 |
| 2023 | $10,213.00 (+1.25%) Homeowner's exemption | $847,331 Land $435,771 Building $411,560 |
| 2022 | $10,087.00 |
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 · 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 7 (15% premium discount) |
| Nearby Flood Policies | 3 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 66% of the US · lower than 80% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 552 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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