| Primary address | 577 William Street, Pomona |
| Zip code | 91768 |
| County | Los Angeles |
| Municipality | Pomona |
| Neighborhood | Downtown Pomona |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 11/20/2001 |
| Sale price | $172,000 |
| Arm's length | Register |
| Current property tax | $3,896 |
| Building sqft | 1,822 |
| Building class | Double, Duplex or Two Units - 4 Stories or Less (0200) |
| Acreage | 0.176
|
| Units | 2 |
| Year built | 1946 |
| Year last altered | Register |
| Stories | 4 |
| Bedrooms | 4 |
| Bathrooms | 2 |
| Zoning district | Neighborhood Edge District 1 (NED1) |
| Weed hazard | No |
| School district | Pomona Unified School District |
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:
577 William Street, Pomona, CA 91768 was built in 1946 and has a total of 1,822 square feet.
What is the assessed value of 577 William Street, Pomona, CA 91768 and the property tax paid?Assessed at $259,152, the tax amount paid for 577 William Street, Pomona, CA 91768 is $3,244.
When was 577 William Street, Pomona, CA 91768 last sold?577 William Street, Pomona, CA 91768 was last sold in 03/28/2008.
How many residential units does this building have?This building has 2 residential unit(s).
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 577 William Street, Pomona, 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 577 William Street, Pomona, CA 91768. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Base tax | $3,244 |
| Current property tax | $3,896 |
| Market value | $259,152 |
| Tax per sqft | $2 |
Abatements, financial assistance programs and non-ad valorem taxes levied as special taxes/direct assessments are applicable for this property.
| Code | Description | Tax levied |
|---|---|---|
| 06221 | County Sanitation District #21 | Register |
| 03694 | La County Regional Park And Open Space District | Register |
| 03071 | Los Angeles County Flood Control | Register |
| 00170 | Los Angeles County Trauma/Emerg Srvs | Register |
| 33011 | Mwd Water Standby Charge #2 | Register |
Here's the assessment & property tax history for 577 William Street, Pomona, 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 | $259,152 | 1.2519 | $3,244 | +7.58% |
| 2024-2025 | $254,072 | 1.187 | $3,016 | +2.08% |
| 2023-2024 | $249,091 | 1.1861 | $2,954 | +1.49% |
| 2022-2023 | $244,208 | 1.192 | $2,911 | +2.17% |
| 2021-2022 | $239,421 | 1.1901 | $2,849 | +0.28% |
The complete history of permits filed for 577 William Street, Pomona, including new construction or demolition permits, complaints, 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 Pomona so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Pomona and compare it to other neighborhoods in Los Angeles County.
Check out recently sold homes in Pomona and see how their prices compare.
Create a free account to unlock extended information for 577 William Street, Pomona, 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 577 William Street, Pomona 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) |
|---|---|---|---|---|---|
| Roosevelt Elementary School | 4 | Public | K-5 | 433 | 0.20 |
| Crystal Montessori Academy | NR | Private | PK, K-2 | 0 | 0.27 |
| Crystal Montessori Academy | NR | Private | PK, K-2 | 0 | 0.27 |
| Lincoln Elementary School | 4 | Public | K-6 | 299 | 0.55 |
| New Dimensions Academy | NR | Private | K-8 | 100 | 0.62 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Pomona Catholic Middle School | NR | Private | 6-8 | 72 | 0.08 |
| School Of Arts And Enterprise | 3 | Charter | 6-12 | 667 | 0.51 |
| New Dimensions Academy | NR | Private | K-8 | 100 | 0.62 |
| New Dimensions School | NR | Private | PK-8 | 73 | 0.62 |
| Sweeney Academy | NR | Private | K-12 | 6 | 0.78 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Pomona Catholic Girls High School | NR | Private | 9-12 | 312 | 0.08 |
| New Community Academy | NR | Private | 9-12 | 9 | 0.38 |
| School Of Arts And Enterprise | 3 | Charter | 6-12 | 667 | 0.51 |
| Sweeney Academy | NR | Private | K-12 | 6 | 0.78 |
| Adult And Career Education | NR | Public | 0 | 1.01 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 577 William Street, Pomona.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 523 William St, Pomona | 1,028 | 04/21/2021 | |
| 645 William St, Pomona | 3,015 | 05/19/2021 | |
| 510 Laurel Ave, Pomona | 944 | 04/06/2012 | $270,000 |
| 566 Laurel Ave, Pomona | 1,312 | 05/09/2023 | $490,000 |
| 621 William St, Pomona | 1,247 | 08/24/2017 | $315,000 |
| 600 N White Ave, Pomona | 868 | 03/14/2014 | $230,000 |
| 590 Laurel Ave, Pomona | 1,334 | 09/27/2013 | $230,000 |
| 534 Laurel Ave, Pomona | 1,580 | 02/28/2020 | |
| 522 Laurel Ave, Pomona | 940 | 07/14/2004 | $330,003 |
| 563 William St, Pomona | 848 | 12/17/2024 | |
| 505 William St, Pomona | 918 | 04/17/2012 | $175,000 |
| 645 Illinois St, Pomona | 624 | 12/12/2003 | $330,003 |
| 654 N White Ave, Pomona | 810 | 03/22/2004 | |
| 547 William St, Pomona | 2,554 | 07/06/2004 | |
| 605 William St, Pomona | 780 | 04/05/2002 | $132,001 |
| 664 N White Ave, Pomona | 672 | 12/23/2005 | |
| 645 N White Ave, Pomona | 692 | 03/30/1988 | $61,000 |
| 646 N White Ave, Pomona | 676 | 07/20/2010 | |
| 535 William St, Pomona | 962 | 04/11/2005 | $285,002 |
| 578 Laurel Ave, Pomona | 900 | 07/29/2011 | $125,000 |