Alameda County property record for 1045 Mariposa Ave, Berkeley, CA 94707
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 3,375 sqft · built 1918 |
| Lot Size | 0.132 acres (5,750 sqft) |
| Owner | Company Name on File |
| Tax Bill | $11,008 (2025) |
| Deeds & Mortgages | Jan 2021 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 61-2559-14 |
| Primary APN | 61-2559-14 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,375 sqft Living Area |
| Year Built | Built 1918 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,750 sqft (0.132 acres) |
| Street Address | 1045 MARIPOSA AVE |
|---|---|
| City | BERKELEY |
| State | CA |
| Zip | 94707-2409 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00014 BLK: AR: 0061 PAGE: 2559 |
| Legal Subdivision | NORTHBRAE TERRACE |
| Legal Block | F |
| Legal Lot Number | 41 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | BERKELEY |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 421400 |
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1045 MARIPOSA AVE, BERKELEY, CA 94707-2409 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jul 22, 1994 |
| Transfer Doc | 0000295847 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jan 7, 2021 |
| Property Address | 1045 MARIPOSA AVE, BERKELEY, CA 94707-2409 |
| Document Number | 0000008176 |
| Instrument Date | Dec 7, 2020 |
| Instrument | 8176 |
| Transaction Type | Transfer |
| Record Updated | Mar 18, 2021 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 1045 MARIPOSA AVE BERKELEY CA 947072409, BERKELEY, CA 94707-2409 |
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Berkeley City |
| Unified School District | Berkeley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $253,186 (-0.74%) Land $95,911 Building $164,275 | ||
| 2025 | $11,008.00 (+23.78%) Homeowner's exemption | $255,086 (+4.04%) Land $94,031 Building $161,055 | |
| 2023 | $8,893.00 Homeowner's exemption | $245,181 Land $90,379 Building $154,802 | $2,253,510 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective May 25, 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 | 2 in force |
| Nearby Flood Claims | 2 (1982–1986) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Feb 1986 · Severe Storms & Flooding |
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 | Low lower than 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 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 | 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 972 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: AT&T, GeoLinks, T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
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