Contra Costa County property record for 520 Butterfield Pl, Moraga, CA 94556
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,645 sqft · built 1966 |
| Lot Size | 1.89 acres (82,350 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $7,884 (2025) |
| Deeds & Mortgages | May 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 257-330-017-1 |
| Primary APN | 257-330-017-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,645 sqft Living Area |
| Gross Area | 2,128 sqft |
| 1st Floor Area | 1,645 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1966 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 82,350 sqft |
| Garage Type | Attached |
| Garage Area | 483 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | Deck Area |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 520 BUTTERFIELD PL |
|---|---|
| City | MORAGA |
| State | CA |
| Zip | 94556-2500 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20 |
| Legal Description | TRACT 3279 LOT 161 EX MR |
| Legal Subdivision | SUBDIVISION 3279 |
| Legal Tract | 3279 |
| Legal Lot Number | 161 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 352102 |
520 Butterfield Pl is owner-occupied and held in a trust since January 2018.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | PO BOX 282, MORAGA, CA 94556-0282 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jan 23, 2018 |
| Transfer Doc | 0000086430 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 31, 2018 |
| Property Address | 520 BUTTERFIELD PL, MORAGA, CA 94556-2500 |
| Document Number | 0000086430 |
| Instrument Date | Jan 23, 2018 |
| Instrument | 86430 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2018 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | PO BOX 282 MORAGA CA 945560282, MORAGA, CA 94556-0282 |
The 2025 property tax bill for 520 Butterfield Pl was $7,884 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Moraga Town |
| Secondary School District | Acalanes Union High School District (09 - 12) |
| Elementary School District | Moraga Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $564,630 (+2%) Land $306,246 Building $258,384 | |
| 2025 | $7,884.00 Homeowner's exemption | $553,560 Land $300,242 Building $253,318 |
| 2023 | $7,470.00 (+1.49%) Homeowner's exemption | $532,066 Land $288,584 Building $243,482 |
| 2022 | $7,360.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 520 Butterfield Pl in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1981.
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 | 1 in force |
| Nearby Flood Claims | 2 (1981–1995) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Dec 1995 · tidal / storm surge |
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.
Wildfire risk around 520 Butterfield Pl is high, ranking above 76% of the US, with a 0.5% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 76% of the US · above 53% of California |
|---|---|
| Wildfire Likelihood | 0.5% 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 199 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
May also be available: Etheric Networks, T-Mobile, Unwired.
5G (outdoors only) and 4G LTE
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