Contra Costa County property record for 21 Miramonte Rd, Orinda, CA 94563
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 864 sqft · built 1982 |
| Lot Size | 0.861 acres (37,500 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $8,028 (2025) |
| Deeds & Mortgages | May 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 264-102-029-8 |
| Primary APN | 264-102-029-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 864 sqft Living Area |
| 1st Floor Area | 864 sqft |
| Year Built | Built 1982 |
|---|---|
| Effective Year Built | Effective 1984 |
| Lot Area | 37,500 sqft (0.861 acres) |
| Street Address | 21 MIRAMONTE RD |
|---|---|
| City | ORINDA |
| State | CA |
| Zip | 94563-2026 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ORINDA PARK TERR POR LOT 5 BLK I & TR ADJ |
| Legal Subdivision | LAKE ORINDA HLNDS 01 |
| Legal Block | I |
| Legal Lot Number | 5 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 354001 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 25 OAK SPRINGS DR, NAPA, CA 94558-8516 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | May 2, 2023 |
| Transfer Doc | 0000041100 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 2, 2023 |
| Property Address | 21 MIRAMONTE RD, ORINDA, CA 94563-2026 |
| Document Number | 0000041100 |
| Map Reference | MB 20 PG 528 |
| Instrument Date | May 2, 2023 |
| Instrument | 2023-041100 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 25 OAK SPRINGS DR, NAPA, CA 94558-8516 |
| Investor | Possibly a Property Investor |
Source: Contra Costa County assessment roll, as of July 14, 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $534,000 (+2%) Land $290,925 Building $243,075 | |
| 2025 | $8,028.00 (+3.21%) | $523,530 (+4.04%) Land $285,221 Building $238,309 |
| 2023 | $7,778.00 (+5.05%) | $503,203 Land $274,147 Building $229,056 |
| 2022 | $7,404.00 |
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 |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 5 (1982–2005) |
| Claims Outside the SFHA | 3 of 5 |
| Most Recent Claim | Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides |
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 | Moderate above 64% of the US · lower than 60% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Direct burnable vegetation |
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 | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| 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, 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.
Source: FCC Broadband Data Collection, based on 124 locations within half a mile, as of December 31, 2025
| 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
5G (outdoors only) and 4G LTE
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