Chester County property record for 520 E Lancaster Ave, Downingtown, PA 19335
| Property Type | Commercial Office |
|---|---|
| Details | 19,376 sqft · built 1926 |
| Lot Size | 0.805 acres (35,044 sqft) |
| Owner | Company Name on Record |
| Last Sale | $670,000 (May 2021) |
| Tax Bill | $1,641 (2026) |
| Deeds & Mortgages | May 2021 Sale Aug 2018 Construction Loan + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 11-5-46 |
| Primary APN | 11-5-46 |
|---|---|
| Alternative APN |
|
| Building Area | 19,376 sqft Total Area |
|---|---|
| Gross Area | 31,531 sqft |
| Elevator | Elevator |
| Year Built | Built 1926 |
|---|---|
| Effective Year Built | Effective 1926 |
| Lot Area | 35,044 sqft (0.805 acres) |
| Cooling System | Wall Unit |
|---|---|
| Heating System | Hot Water |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 520 E LANCASTER AVE |
|---|---|
| City | DOWNINGTOWN |
| State | PA |
| Zip | 19335-2723 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | R4 |
| Legal Description | LOT & OFFICE |
| Jurisdiction | CHESTER PA |
| Township / Civil Division | DOWNINGTOWN |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 304101 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the East Lancaster Avenue Historic District listed 1979 · 122 contributing resources · NRIS 79002196 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Chester County records, as of May 28, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 1479 ALTON WAY, DOWNINGTOWN, PA 19335-3598 |
| Owner Type | Company |
| Vesting | Company |
| Date | Document |
|---|---|
| May 4, 2021 | Deed, Transfer |
| Aug 6, 2018 | Deed of Trust, Mortgage · Construction Mortgage SOUTH EASTERN ECONOMIC DEVELOPMENT COMPA |
| Jun 27, 2018 | Deed of Trust, Mortgage DNB FIRST NA |
| Mar 13, 2017 | Deed of Trust, Mortgage · Line of Credit DNB FIRST NA |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 4, 2021 · Amount on Record |
| Deed Sale | May 4, 2021 · Amount on Record |
| Prior Sale | Jun 17, 2019 · Amount on Record |
| Deed Document Number | 202111829889 |
| Deed Book / Page | 10530 / 546 |
| Prior Transfer Date | Jul 26, 2013 |
| Prior Transfer Doc | 0087781385 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | CHESTER PA |
| Recording Date | May 4, 2021 |
| Property Address | 520 E LANCASTER AVE, DOWNINGTOWN, PA 19335-2723 |
| Document Number | 0105300546 |
| Book / Page | 10530 / 546 |
| Instrument Date | Apr 19, 2021 |
| Instrument | 11829889 |
| Transaction Type | Transfer |
| Record Updated | May 13, 2021 |
| Amount | Amount Recorded |
|---|---|
| Tax | $6,700.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1479 ALTON WAY, DOWNINGTOWN, PA 19335-3598 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CHESTER PA |
| Property Address | 520 E LANCASTER AVE, DOWNINGTOWN, PA 19335-2723 |
| Transaction Type | Mortgage |
| Record Updated | Feb 7, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0097910077 |
|---|---|
| Date | Aug 6, 2018 |
| Book Page | 9791/0077 |
| Instrument | 11622243 |
| Name | SOUTH EASTERN ECONOMIC DEVELOPMENT COMPA |
|---|---|
| Type | Non-Lending Institution |
| Address | EXTON, PA 19341 |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CHESTER PA |
| Property Address | 520 E LANCASTER AVE, DOWNINGTOWN, PA 19335-2723 |
| Document Number | 0097692222 |
| Instrument Date | Jun 27, 2018 |
| Transaction Type | Mortgage |
| Record Updated | May 12, 2021 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 410 BOOT RD DOWNINGTOWN PA 193353405, DOWNINGTOWN, PA 19335-3405 |
| Document Number | 0097692222 |
|---|---|
| Date | Jul 2, 2018 |
| Book Page | 009769/002222 |
| Instrument | 11615608 |
| Name | DNB FIRST NA |
|---|---|
| Address | DOWNINGTOWN, PW 19335 |
| Amount | Amount Recorded |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CHESTER PA |
| Property Address | 520 E LANCASTER AVE, DOWNINGTOWN, PA 19335-2723 |
| Document Number | 0095140046 |
| Instrument Date | Mar 13, 2017 |
| Transaction Type | Mortgage |
| Record Updated | May 12, 2021 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 410 BOOT RD DOWNINGTOWN PA 193353405, DOWNINGTOWN, PA 19335-3405 |
| Document Number | 0095140046 |
|---|---|
| Date | Mar 28, 2017 |
| Book Page | 009514/000046 |
| Instrument | 11534679 |
| Name | DNB FIRST NA |
|---|---|
| Address | DOWNINGTOWN, PA 19335 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
Source: Chester County assessment roll, as of May 28, 2026
| Type | Name |
|---|---|
| State | Pennsylvania |
| County | Chester County |
| Municipality | Downingtown Borough |
| Unified School District | Downingtown Area School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,641.00 (-87.52%) | $358,940 (-) Land $99,100 Building $259,840 | $405,820 (-) Land $99,100 Building $306,720 |
| 2025 | $358,940 (+14.03%) Land $99,100 Building $259,840 | $405,820 (-) Land $99,100 Building $306,720 | |
| 2024 | $13,144.00 | $314,780 Land $99,100 Building $215,680 | |
| 1998 | $405,820 Land $99,100 Building $306,720 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 |
| Nearby Flood Claims | 9 (1983–2021) |
| Claims Outside the SFHA | 4 of 9 |
| Most Recent Claim | Sep 2021 · Remnants Of Hurricane Ida |
| Claims by Event |
|
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.4% of Pennsylvania |
|---|---|
| Wildfire Likelihood | Under 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 | DOWNINGTOWN WATER AUTHORITY serves 9,900 people · EPA ID PA1150026 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2024 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 22 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 320 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 |
| AT&T Fixed Wireless | 100 / 20 |
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