Contra Costa County property record for 18 Nelson Ln, Orinda, CA 94563
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,398 sqft · built 1962 |
| Lot Size | 0.758 acres (33,000 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,210,000 (Feb 2023) |
| Tax Bill | $16,253 (2025) |
| Deeds & Mortgages | Nov 2025 Transfer Feb 2023 Sale + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 270-280-018-2 |
| Primary APN | 270-280-018-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,398 sqft Living Area |
| 1st Floor Area | 1,910 sqft |
| Basement Area | 488 sqft |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1963 |
| Lot Area | 33,000 sqft (0.758 acres) |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 18 NELSON LN |
|---|---|
| City | ORINDA |
| State | CA |
| Zip | 94563-4017 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MORAGA MIDLANDS POR LOT 27 |
| Legal Subdivision | MORAGA MIDLANDS |
| Legal Lot Number | 27 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 353001 |
Source: Contra Costa County records · APN 270-280-018-2
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 | Individual Name on File |
|---|---|
| Mailing Address | 9 MAYFIELD PL, MORAGA, CA 94556-2511 |
| Owner Type | Individual |
| Vesting | Sole Owner |
| Date | Document |
|---|---|
| Nov 20, 2025 | Intrafamily Transfer, Transfer |
| Feb 10, 2023 | Grant Deed, Transfer CHICAGO TITLE COMPANY |
| Feb 07, 2023 | Intrafamily Transfer, Transfer |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Feb 10, 2023 · Amount on Record |
| Deed Sale | Feb 10, 2023 · Amount on Record |
| Deed Document Number | 202312224 |
| Last Transfer Date | Oct 31, 2025 |
| Transfer Doc | 0000130779 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 20, 2025 |
| Property Address | 18 NELSON LN, ORINDA, CA 94563-4017 |
| Document Number | 0000130779 |
| Map Reference | MB 28 PG 1 & 2 |
| Instrument Date | Oct 31, 2025 |
| Instrument | 2025- 130779 |
| Transaction Type | Transfer |
| Record Updated | Dec 02, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 9 MAYFIELD PL, MORAGA, CA 94556-2511 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 10, 2023 |
| Property Address | 18 NELSON LN, ORINDA, CA 94563-4017 |
| Document Number | 0000012224 |
| Map Reference | MB 28 PG 1&2 |
| Instrument Date | Feb 08, 2023 |
| Instrument | 2023-012224 |
| Transaction Type | Transfer |
| Record Updated | Feb 20, 2023 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 125 SLEEPY HOLLOW LN, ORINDA, CA 94563-1340 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 07, 2023 |
| Property Address | 18 NELSON LN, ORINDA, CA 94563-4017 |
| Document Number | 0000010727 |
| Map Reference | MB 28 PG 1&2 |
| Instrument Date | Feb 04, 2023 |
| Instrument | 2023-010727 |
| 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 Trust |
| Address | 235 MONTGOMERY ST STE 630, 630, SAN FRANCISCO, CA 94104-2922 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Orinda City |
| Secondary School District | Acalanes Union High School District (09 - 12) |
| Elementary School District | Orinda Union 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 | $1,267,264 (+2%) Land $843,660 Building $423,604 | |
| 2025 | $16,253.00 (+6.71%) | $1,242,417 (+8.04%) Land $827,118 Building $415,299 |
| 2023 | $15,231.00 (+332.82%) | $1,150,000 Land $1,000,000 Building $150,000 |
| 2022 | $3,519.00 |
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 |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 6 (1982–1998) |
| Claims Outside the SFHA | 1 of 6 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
| Claims by Event |
|
| Wildfire Risk | Moderate above 57% of the US · lower than 65% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Communications, LLC..
Based on FCC filings for 171 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 | 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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