| Primary address | 421 Riverside Avenue, Newport Beach |
| Zip code | 92663 |
| County | Orange |
| Neighborhood | Newport Heights |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 06/12/1998 |
| Sale price | $495,000 |
| Arm's length | Register |
| Current property tax | $8,208 |
| Building sqft | 2,193 |
| Building class | Single Family Residential (1) |
| Acreage | 0.146
|
| Year built | 1945 |
| Year last altered | Register |
| Bedrooms | 3 |
| Bathrooms | 1 |
| Zoning district | Single-Unit Residential Detached (R-1) |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
421 Riverside Avenue, Newport Beach, CA 92663 was built in 1945 and has a total of 2,193 square feet.
What is the assessed value of 421 Riverside Avenue, Newport Beach, CA 92663 and the property tax paid?Assessed at $790,391, the tax amount paid for 421 Riverside Avenue, Newport Beach, CA 92663 is $8,280.
When was 421 Riverside Avenue, Newport Beach, CA 92663 last sold?421 Riverside Avenue, Newport Beach, CA 92663 was last sold in 05/01/2013.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Create a free account to view the complete sales history for 421 Riverside Avenue, Newport Beach, including title documents, transfer conditions, mortgages and liens.
To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.
R: Recorded date
D: Document date
Access detailed property tax data for 421 Riverside Avenue, Newport Beach, CA 92663. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Base tax | $8,281 |
| Current property tax | $8,208 |
| Market value | $790,391 |
Abatements, financial assistance programs and non-ad valorem taxes levied as special taxes/direct assessments are applicable for this property.
| Description | Special assessment | Phone number |
|---|---|---|
| Mosq,fire ant assmt | Register | (800) 273-5167 |
| MWD water stdby CHG | Register | (866) 807-6864 |
| Oc san regional sewer fee | Register | (714) 593-7281 |
| Vector control CHG | Register | (800) 273-5167 |
Here's the assessment & property tax history for 421 Riverside Avenue, Newport Beach, including the evolution of the total tax rate and corresponding property tax.
| Year | Assessment value | Total tax rate | Property tax | Year over year change |
|---|---|---|---|---|
| 2025-2026 | $790,391 | 1.0477 | $8,281 | +1.56% |
| 2024-2025 | $774,894 | 1.0522 | $8,153 | +2.38% |
| 2023-2024 | $759,700 | 1.0483 | $7,964 | +1.66% |
| 2022-2023 | $744,804 | 1.0518 | $7,834 | +1.98% |
| 2021-2022 | $730,200 | 1.0521 | $7,682 | +0.96% |
The complete history of permits filed for 421 Riverside Avenue, Newport Beach, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.
Access a detailed real estate market overview of Newport Beach so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Newport Beach and compare it to other neighborhoods in Orange County.
Check out recently sold homes in Newport-Beach and see how their prices compare.
Create a free account to unlock extended information for 421 Riverside Avenue, Newport Beach, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| FEMA flood zone(s) | X (See more on map) |
| Fire hazard zone | See more on map |
| Faults and tsunami inundation zone map | Register |
| Landslides and liquefaction map | Register |
Access the detailed traffic volume map for 421 Riverside Avenue, Newport Beach to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Newport Heights Elementary School | 7 | Public | K-6 | 461 | 0.23 |
| GERMAN SCHOOL campus | NR | Private | 3-12 | 0 | 0.48 |
| International School for Science and Culture | NR | Charter | K-8 | 130 | 0.86 |
| Carden Hall, Inc School | NR | Private | PK-8 | 443 | 1.09 |
| Carden Hall, Inc School | NR | Private | PK-8 | 443 | 1.09 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Horace Ensign Intermediate School | 8 | Public | 7-8 | 915 | 0.46 |
| GERMAN SCHOOL campus | NR | Private | 3-12 | 0 | 0.48 |
| Newport Academy Day School | NR | Private | 8-12 | 10 | 0.70 |
| International School for Science and Culture | NR | Charter | K-8 | 130 | 0.86 |
| Carden Hall, Inc School | NR | Private | PK-8 | 443 | 1.09 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Newport Harbor High School | 8 | Public | 9-12 | 2,268 | 0.45 |
| GERMAN SCHOOL campus | NR | Private | 3-12 | 0 | 0.48 |
| Newport Academy Day School | NR | Private | 8-12 | 10 | 0.70 |
| Newport-Mesa Adult | NR | Public | 0 | 1.78 | |
| Grace Education | NR | Private | 7-12 | 0 | 2.38 |
Data provided by GreatSchools.org © 2025. All rights reserved.
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