San Diego County property record for 521 4th Ave, Chula Vista, CA 91910
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 4 bd · 4 ba · 2,572 sqft · built 1956 |
| Lot Size | 0.184 acres (8,022 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $300,000 (Apr 2011) |
| Tax Bill | $5,259 (2025) |
| Deeds & Mortgages | Feb 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 573-010-07-00 |
| Primary APN | 573-010-07-00 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Units | 4 Units |
| Stories | 1 Story |
| Building Area | 2,572 sqft Living Area |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | Multi-Family |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 8,022 sqft (0.184 acres) |
| Lot Dimensions | 170 ft deep x 50 ft wide |
| Street Address | 521 4TH AVE |
|---|---|
| City | CHULA VISTA |
| State | CA |
| Zip | 91910-5503 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Local Zoning Code | R3 |
| Legal Description | LOT 1 TR 001421 |
| Legal Subdivision | LC OAKLANDS SUB |
| Legal Tract | 001421 |
| Legal Block | 1 |
| Legal Lot Number | 1 |
| Jurisdiction | SAN DIEGO CA |
| Township / Civil Division | SAN DIEGO |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 13000 |
521 4th Ave, a residential property, is owned and occupied by two individuals who acquired it in February 2013.
Source: San Diego County records, as of July 28, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 521 4TH AVE, CHULA VISTA, CA 91910-5503 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Apr 29, 2011 · Amount on File |
| Deed Sale | Apr 29, 2011 · Amount on File |
| Prior Sale | May 17, 2010 · Amount on File |
| Deed Document Number | 2011224840 |
| Last Transfer Date | Feb 20, 2013 |
| Transfer Doc | 0000131380 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN DIEGO CA |
| Property Address | 521 4TH AVE, CHULA VISTA, CA 91910-5503 |
| Document Number | 0000088607 |
| Instrument Date | Feb 17, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Mar 1, 2017 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 3707 JILL LN LA MESA CA 919417501, LA MESA, CA 91941-7501 |
| Document Number | 0000088607 |
|---|---|
| Date | Feb 24, 2017 |
| Instrument | 88607 |
| Name | PENNYMAC |
|---|---|
| Address | WESTLAKE VILLAGE, CA 91361 |
| Type | Conventional with PMI |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Feb 23, 2047 |
The 2025 property tax bill for 521 4th Ave was $5,259.
Source: San Diego County assessment roll, as of July 28, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Diego County |
| Municipality | Chula Vista City |
| Elementary School District | Chula Vista Elementary School District (KG - 06) |
| Secondary School District | Sweetwater Union High School District (07 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $392,024 (+2%) Land $248,284 Building $143,740 | |
| 2025 | $5,259.00 | $384,338 Land $243,416 Building $140,922 |
| 2023 | $5,530.00 (+29.78%) | $369,415 Land $233,965 Building $135,450 |
| 2022 | $4,261.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 521 4th Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 3, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 521 4th Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | SWEETWATER AUTHORITY serves 184,915 people · EPA ID CA3710025 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2023 |
| Lead | Under 1 ppb (2021–2023) 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.
Source: FCC Broadband Data Collection, based on 456 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Cox Communications Cable · Fiber in parts of the area | 2,000 / 100 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Starlink Satellite | 280 / 30 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: GeoLinks, T-Mobile, Wyyerd Connect.
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