| Primary address | 805 South Shamrock Avenue, Monrovia |
| Alternate address(es) | 805 Shamrock Ave |
| Zip code | 91016 |
| County | Los Angeles |
| Municipality | Monrovia |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 11/19/2008 |
| Sale price | $1,250,000 |
| Arm's length | Register |
| Current property tax | $13,937 |
| Building sqft | 4,978 |
| Building class | Office Building - Mills Act Property (170G) |
| Acreage | 0.354
|
| Year built | 1929 |
| Year last altered | 1982 |
| Zoning district | Register |
| Weed hazard | No |
| School district | Monrovia Unified School District |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab. For more property insights, including its Energy Star score, its Existing Buildings Energy and Water Efficiency Program (EBEWE) status, and additional energy and water usage data, create an account.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
This Office Building - Mills Act Property (170G) located at 805 South Shamrock Avenue, Monrovia, CA 91016 has a total of 4,978 square feet.
What is the year built & the current market value of 805 South Shamrock Avenue, Monrovia, CA 91016?805 South Shamrock Avenue, Monrovia, CA 91016 was built in 1929 and has a current tax assessor's market value of $920,000.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
| Listing type | For Sale |
|---|---|
| Listing date | 06/09/2025 |
| Last updated | 05/18/2026 |
| Lot size | 0.354 Acre |
1 Block from the Huntington Technology Corridor A Few Minutes from the I-210 Freeway Corner LotOwnership will consider all offers. This is truly a rare opportunity to acquire one of the few Mills Act registered commercial buildings in the West San Gabriel Valley. Enacted in 1979, the Mills Act legislation allows for municipalities like Monrovia to enter into contracts with owners of historic or landmark properties that may result in a substantial property tax reduction. The owner of the Corvalan Building is a renown architect who completed the arduous task of qualifying the property for the Mills Act. His decision to sell this beloved building is motivated by an office relocation. Approximately $730,000 in infrastructure improvements including new HVAC, plumbing and earthquake retrofitting were invested in this one-of-a-kind gem. In addition, there are office resting quarters with access to a shower measuring +/-800 square feet ideal for the occasional late night work sessions. Feel free to contact broker for a confidential discussion regarding pricing guidance, Mills Act information, and touring instructions, and offer submittal instructions.
Create a free account to view the complete sales history for 805 South Shamrock Avenue, Monrovia, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 11/19/2008 | $1,250,000 | Register | Register |
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 805 South Shamrock Avenue, Monrovia, CA 91016. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Base tax | $11,822 |
| Current property tax | $13,937 |
| Market value | $920,000 |
Abatements, financial assistance programs and non-ad valorem taxes levied as special taxes/direct assessments are applicable for this property.
| Code | Description | Tax levied |
|---|---|---|
| 06215 | County Sanitation District #15 | 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 |
| 21297 | Monrovia Ldscp & Light Maintenance District | Register |
Here's the assessment & property tax history for 805 South Shamrock Avenue, Monrovia, 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 | $920,000 | 1.285 | $11,822 | +0.25% |
| 2024-2025 | $920,000 | 1.2818 | $11,793 | -46.62% |
| 2023-2024 | $1,730,602 | 1.2765 | $22,091 | +1.08% |
| 2022-2023 | $1,730,602 | 1.2629 | $21,856 | +22.65% |
| 2021-2022 | $1,410,000 | 1.2638 | $17,820 | +18.14% |
The complete history of permits filed for 805 South Shamrock Avenue, Monrovia, 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 Monrovia so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Monrovia and compare it to other neighborhoods in Los Angeles County.
Check out recently sold homes in Monrovia and see how their prices compare.
| Total population | 41,140 |
| Median age | 38.4 |
| Average household income | $126,522 |
| Family households | 66.2% |
| Occupied housing units | 15,285 |
| Owner occupied units | 48.0% |
| Average number of people per household | 2.68 |
| Median year structure built | 1961 |
| Median value for units with a mortgage | $910,300 |
| Median value for units without a mortgage | $862,700 |
Create a free account to unlock extended information for 805 South Shamrock Avenue, Monrovia, 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 805 South Shamrock Avenue, Monrovia 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 |
Here are the neighbors for 805 South Shamrock Avenue, Monrovia.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 415 Royal Oaks Dr, Monrovia | 1,463 | 05/14/2021 | |
| 511 Almond Ave, Monrovia | 1,632 | 01/06/2023 | |
| 517 Royal Oaks Dr, Monrovia | 808 | 04/15/2022 | |
| 832 S California Ave, Monrovia | 1,272 | 12/12/2022 | $910,000 |
| 431 Almond Ave, Monrovia | 1,560 | 12/06/2022 | |
| 503 Almond Ave, Monrovia | 1,182 | 06/29/2023 | |
| 512 Royal Oaks Dr, Monrovia | 988 | 08/30/2023 | |
| 417 Almond Ave, Monrovia | 1,836 | 01/11/2021 | |
| 435 Almond Ave, Monrovia | 1,560 | 12/06/2022 | |
| 420 E Walnut Ave, Monrovia | 1,394 | 05/14/2004 | |
| 608 E Walnut Ave, Monrovia | 2,057 | 09/10/2021 | |
| 424 E Walnut Ave, Monrovia | 672 | 11/30/2021 | $660,000 |
| 519 Almond Ave, Monrovia | 1,614 | 12/10/2020 | |
| 828 S California Ave, Monrovia | 1,547 | 09/12/2013 | $900,000 |
| 416 E Walnut Ave, Monrovia | 2,060 | 03/19/2007 | |
| 531 Royal Oaks Dr, Monrovia | 806 | 08/23/2012 | $282,500 |
| 530 E Walnut Ave, Monrovia | 840 | 06/29/2016 | |
| 417 Royal Oaks Dr, Monrovia | 884 | ||
| 602 E Walnut Ave, Monrovia | 962 | 03/12/2004 | |
| 419 Royal Oaks Dr, Monrovia | 976 | 08/29/2024 |