Chester County property record for 421 Monument Ave, Malvern, PA 19355
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3.5 ba · 2,945 sqft · built 1925 |
| Lot Size | 0.342 acres (14,875 sqft) |
| Owner | Individual Name on File |
| Last Sale | $256,500 (Jan 1999) |
| Tax Bill | $808 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 2-6-50 |
| Primary APN | 2-6-50 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,945 sqft Living Area |
| Basement Area | 480 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 2022 |
| Architectural Style | Colonial |
| Exterior Material | Brick |
| Construction Type | Brick |
| Lot Area | 14,875 sqft (0.342 acres) |
| View / Lot | Neighborhood |
| Garage Type | Detached |
| Garage Area | 480 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Area | 512 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 421 MONUMENT AVE |
|---|---|
| City | MALVERN |
| State | PA |
| Zip | 19355-2638 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1A |
| Legal Description | LOT DWG POOL & GAR |
| Legal Subdivision | RALPH H PHELPS |
| Jurisdiction | CHESTER PA |
| Township / Civil Division | MALVERN |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 300400 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Listed Area | Within Paoli Battlefield Site and Parade Grounds listed 1997 · 9 contributing resources · NRIS 97001248 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
421 Monument Ave is owned and occupied by an individual who acquired it in January 2013.
Source: Chester County records, as of May 28, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 421 MONUMENT AVE, MALVERN, PA 19355-2638 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Name on Deed |
|---|---|
| Last Sale | Jan 29, 1999 · Amount on File |
| Deed Sale | Jan 29, 1999 · Amount on File |
| Deed Document Number | 19997143 |
| Deed Book / Page | 4498 / 2134 |
| Last Transfer Date | Jan 24, 2013 |
| Transfer Doc | 0086290945 |
| Record Updated | Sep 20, 2026 |
The 2026 property tax bill for 421 Monument Ave was $808.
Source: Chester County assessment roll, as of May 28, 2026
| Type | Name |
|---|---|
| State | Pennsylvania |
| County | Chester County |
| Municipality | Malvern Borough |
| Unified School District | Great Valley School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $808.00 | $230,530 (+4.55%) Land $47,200 Building $183,330 | $254,700 (+4.1%) Land $47,200 Building $207,500 |
| 2025 | $220,500 (-) Land $47,200 Building $173,300 | $244,670 Land $47,200 Building $197,470 | |
| 2024 | $7,250.00 | $220,500 Land $47,200 Building $173,300 | |
| 1998 | $254,700 Land $47,200 Building $207,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 421 Monument Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 2, 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 | 7 in force |
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.
Wildfire risk around 421 Monument Ave is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · above 43% of Pennsylvania |
|---|---|
| Wildfire Likelihood | 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 | AQUA PA MAIN SYSTEM private · serves 822,600 people · EPA ID PA1460073 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Mar 2025 |
| Lead | Under 1 ppb (2025) action level 15 ppb |
| Water Quality | Treatment failure resolved · Nov 2024 E. coli resolved · Jul 2017 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 27 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 223 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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