Contra Costa County property record for 515 Isabel Dr, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,308 sqft · built 1986 |
| Lot Size | 0.161 acres (7,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $510,000 (Dec 2011) |
| Tax Bill | $8,136 (2025) |
| Deeds & Mortgages | Apr 2026 Line of Credit Apr 2026 Line of Credit + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 155-450-027 |
| Primary APN | 155-450-027 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,308 sqft Living Area |
| 1st Floor Area | 1,132 sqft |
| 2nd Floor Area | 1,176 sqft |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1987 |
| Lot Area | 7,000 sqft (0.161 acres) |
| Garage Type | Attached |
| Garage Area | 483 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 515 ISABEL DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-6617 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | T05127 L0076 B |
| Legal Subdivision | SUBDIVISION 5127 |
| Legal Tract | 05127 |
| Legal Lot Number | 76 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 321102 |
Source: Contra Costa County records · APN 155-450-027
Assessment roll updated July 14, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 515 ISABEL DR, MARTINEZ, CA 94553-6617 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Apr 17, 2026 | Deed of Trust, Mortgage · Line of Credit CMG MORTGAGE INC |
| Apr 17, 2026 | Deed of Trust, Mortgage · Line of Credit CMG MORTGAGE INC |
| Mar 10, 2021 | Deed of Trust, Mortgage · Conventional Mortgage AMERICAN PACIFIC MORTGAGE CORP |
| Oct 21, 2019 | Deed of Trust, Mortgage · Conventional Mortgage PARKSIDE LNDG |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 30, 2011 · Amount on Record |
| Deed Sale | Dec 30, 2011 · Amount on Record |
| Prior Sale | Mar 21, 2002 · Amount on Record |
| Deed Document Number | 2011286273 |
| Last Transfer Date | May 17, 2013 |
| Transfer Doc | 0000131019 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 17, 2026 |
| Property Address | 515 ISABEL DR, MARTINEZ, CA 94553-6617 |
| Document Number | 0000039045 |
| Instrument Date | Apr 10, 2026 |
| Instrument | 202639045 |
| Transaction Type | Mortgage |
| Record Updated | Jul 12, 2026 |
| Title Company | TITLE SERVICE AND LIAISON COMPANIES, INDECOMM GLOBAL SERVICES (RE |
| Name | Verified Name |
|---|---|
| Address | 515 ISABEL DR, MARTINEZ, CA 94553-6617 |
| Document Number | 0000039045, |
|---|---|
| Date | Apr 17, 2026 |
| Instrument | 202639045 |
| Name | CMG MORTGAGE INC |
|---|
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate | 6.11% |
|---|---|
| Max Rate | -1% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 17, 2026 |
| Property Address | 515 ISABEL DR, MARTINEZ, CA 94553-6617 |
| Document Number | 0000039045 |
| Instrument Date | Apr 10, 2026 |
| Instrument | 202639045 |
| Transaction Type | Mortgage |
| Record Updated | Jul 12, 2026 |
| Title Company | TITLE SERVICE AND LIAISON COMPANIES, INDECOMM GLOBAL SERVICES |
| Name | Verified Name |
|---|---|
| Address | 515 ISABEL DR, MARTINEZ, CA 94553-6617 |
| Document Number | 0000039045, |
|---|---|
| Date | Apr 17, 2026 |
| Instrument | 202639045 |
| Name | CMG MORTGAGE INC |
|---|
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate | 6.11% |
|---|---|
| Max Rate | -1% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 515 ISABEL DR, MARTINEZ, CA 94553-6617 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | FIRST AMERICAN TTL SANTA ANA |
| Name | Verified Name |
|---|---|
| Address | 515 ISABEL DR, MARTINEZ, CA 94553-6617 |
| Document Number | 0000072458 |
|---|---|
| Date | Mar 10, 2021 |
| Instrument | 2021-072458 |
| Name | AMERICAN PACIFIC MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Address | ROSEVILLE, CA 95661 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Feb 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 515 ISABEL DR, MARTINEZ, CA 94553-6617 |
| Document Number | 0000189833 |
| Instrument Date | Oct 21, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Nov 06, 2019 |
| Title Company | WESTMINSTER TITLE COMPANY INC, WESTMINSTER TITLE CO INC |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 515 ISABEL DR MARTINEZ CA 945536617, MARTINEZ, CA 94553-6617 |
| Document Number | 0000189833 |
|---|---|
| Date | Oct 28, 2019 |
| Instrument | 189833 |
| Name | PARKSIDE LNDG |
|---|---|
| Address | SAN FRANCISCO, CA 94102 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 27, 2049 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Martinez City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $653,387 (+2%) Land $307,474 Building $345,913 | |
| 2025 | $8,136.00 (+4.11%) | $640,577 (+4.04%) Land $301,446 Building $339,131 |
| 2023 | $7,815.00 (+0.84%) | $615,705 Land $289,742 Building $325,963 |
| 2022 | $7,750.00 |
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 9 (5% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 3 (1983–2018) |
| Claims Outside the SFHA | 2 of 3 |
| Most Recent Claim | Nov 2018 · rainfall accumulation |
| Wildfire Risk | Low lower than 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
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 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: Verizon.
Based on FCC filings for 368 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 | CONTRA COSTA WATER DISTRICT serves 210,500 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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