Contra Costa County property record for 601 Kelly Ave, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,096 sqft · built 1947 |
| Lot Size | 0.103 acres (4,500 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $200,000 (Feb 2011) |
| Tax Bill | $4,213 (2025) |
| Deeds & Mortgages | Dec 2021 Transfer Oct 2021 Transfer + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 376-051-025-9 |
| Primary APN | 376-051-025-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,096 sqft Living Area |
| 1st Floor Area | 1,096 sqft |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1965 |
| Lot Area | 4,500 sqft (0.103 acres) |
| Street Address | 601 KELLY AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3447 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LEWIS TRACT #1 POR LOT 11 |
| Legal Subdivision | LEWIS 01 |
| Legal Tract | 1 |
| Legal Lot Number | 11 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 319002 |
Source: Contra Costa County records, as of October 12, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | PO BOX 2031, MARTINEZ, CA 94553-0203 |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Dec 27, 2021 | Intrafamily Transfer, Transfer |
| Oct 22, 2021 | Intrafamily Transfer, Transfer |
| Oct 1, 2021 | Intrafamily Transfer, Transfer |
| Oct 1, 2021 | Intrafamily Transfer, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 15, 2011 · Amount on Record |
| Deed Sale | Feb 15, 2011 · Amount on Record |
| Prior Sale | Jun 22, 1995 · Amount on Record |
| Deed Document Number | 201134207 |
| Last Transfer Date | Nov 19, 2014 |
| Transfer Doc | 0000224270 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 27, 2021 |
| Property Address | 601 KELLY AVE, MARTINEZ, CA 94553-3447 |
| Document Number | 0000346999 |
| Map Reference | MB 23 PG 737&738 |
| Instrument Date | Dec 27, 2021 |
| Instrument | 2021-346999 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | PO BOX 2031, MARTINEZ, CA 94553-0203 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 22, 2021 |
| Property Address | 601 KELLY AVE, MARTINEZ, CA 94553-3447 |
| Document Number | 0000297653 |
| Map Reference | MB 23 PG 737&738 |
| Instrument Date | Aug 9, 2021 |
| Instrument | 2021-297653 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | PO BOX 2031, MARTINEZ, CA 94553-0203 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 1, 2021 |
| Property Address | 601 KELLY AVE, MARTINEZ, CA 94553-3447 |
| Document Number | 0000272319 |
| Map Reference | MB 23 PG 737&738 |
| Instrument Date | Jul 12, 2021 |
| Instrument | 2021-272319 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | PO BOX 2031, MARTINEZ, CA 94553-0203 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 1, 2021 |
| Property Address | 601 KELLY AVE, MARTINEZ, CA 94553-3447 |
| Document Number | 0000272318 |
| Map Reference | MB 23 PG 797&738 |
| Instrument Date | Jul 12, 2021 |
| Instrument | 2021-272318 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | PO BOX 2031, MARTINEZ, CA 94553-0203 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Martinez City |
| Unified School District | Martinez Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $261,348 (+2%) Land $143,740 Building $117,608 | |
| 2025 | $4,213.00 (+7.53%) | $256,224 (+4.04%) Land $140,922 Building $115,302 |
| 2023 | $3,918.00 (+3.24%) | $246,276 Land $135,450 Building $110,826 |
| 2022 | $3,795.00 |
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 | CITY OF MARTINEZ serves 31,015 people · EPA ID CA0710006 |
|---|---|
| Water Source | Purchased surface water from CONTRA COSTA WATER DISTRICT |
| Last State Inspection | Oct 2025 |
| Lead | Under 1 ppb (2023–2025) 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 589 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| 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 |
May also be available: Astound Broadband.
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