Montgomery County property record for 28 Treworthy Rd, Gaithersburg, MD 20878
| Property Type | Single Family Home |
|---|---|
| Details | 4.5 ba · 3,474 sqft · built 1978 |
| Lot Size | 0.286 acres (12,468 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $671,000 (Sep 2017) |
| Tax Bill | $10,116 (2025) |
| Deeds & Mortgages | Feb 2021 Mortgage Sep 2017 Sale + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-01523051 |
| Primary APN | 09-01523051 |
|---|---|
| Alternative APN |
|
| Full Baths | 4.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 3,474 sqft Living Area |
| Gross Area | 3,914 sqft |
| 1st Floor Area | 1,792 sqft |
| Basement Area | 550 sqft |
| Finished Basement | 550 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | Bi-Level |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 12,468 sqft (0.286 acres) |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 400 sqft |
| Patio Area | 346 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 01523051 |
|---|---|
| Street Address | 28 TREWORTHY RD |
| City | GAITHERSBURG |
| State | MD |
| Zip | 20878-2631 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R90 |
| Legal Description | WESTLEIGH |
| Legal Subdivision | WESTLEIGH |
| Legal Block | D |
| Legal Lot Number | 1 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 9 |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 700828 |
28 Treworthy Rd is owned and occupied by two individuals who bought it in September 2017.
Source: Montgomery County records, as of August 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 28 TREWORTHY RD, GAITHERSBURG, MD 20878-2631 |
| 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.
| Date | Document |
|---|---|
| Feb 26, 2021 | Deed of Trust, Mortgage · Conventional Mortgage CORNERSTONE MORTGAGE SERVICES INC |
| Sep 20, 2017 | Grant Deed, Transfer PINNACLE TITLE AND ESCROW, PINNACLE TITLE & ESCROW |
| Sep 20, 2017 | Deed, Transfer · Conventional Mortgage CORNERSTONE MORTGAGE SERVICES INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 20, 2017 · Amount on File |
| Deed Sale | Sep 20, 2017 · Amount on File |
| Prior Sale | Sep 20, 2017 · Amount on File |
| Deed Book / Page | 54909 / 120 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MONTGOMERY MD |
| Property Address | 28 TREWORTHY RD, GAITHERSBURG, MD 20878-2631 |
| Transaction Type | Mortgage |
| Record Updated | Aug 11, 2022 |
| Title Company | CLA TITLE AND ESCROW, CLA TITLE & ESCROW |
| Name | Verified Name |
|---|---|
| Address | 28 TREWORTHY RD, GAITHERSBURG, MD 20878-2631 |
| Document Number | 0620310017 |
|---|---|
| Date | Feb 26, 2021 |
| Book Page | 62031/17 |
| Name | CORNERSTONE MORTGAGE SERVICES INC |
|---|---|
| Type | Mortgage Company |
| Address | GAITHERSBURG, MD 20877 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Feb 1, 2051 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MONTGOMERY MD |
| Recording Date | Sep 20, 2017 |
| Property Address | 28 TREWORTHY RD, GAITHERSBURG, MD 20878-2631 |
| Document Number | 0549090113 |
| Book / Page | 054909 / 000113 |
| Instrument Date | Sep 13, 2017 |
| Transaction Type | Transfer |
| Record Updated | Oct 3, 2017 |
| Title Company | PINNACLE TITLE AND ESCROW, PINNACLE TITLE & ESCROW |
| Amount | Amount on Record |
|---|---|
| Tax | $671.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 28 TREWORTHY RD GAITHERSBURG MD 208782631, GAITHERSBURG, MD 20878-2631 |
| Investor | Possibly a Property Investor |
| Document Type | Deed |
|---|---|
| Jurisdiction | MONTGOMERY MD |
| Recording Date | Sep 20, 2017 |
| Property Address | 28 TREWORTHY RD, GAITHERSBURG, MD 20878-2631 |
| Document Number | 0549090120 |
| Book / Page | 54909 / 120 |
| Map Reference | MB93 PL10222 |
| Instrument Date | Sep 13, 2017 |
| Transaction Type | Transfer |
| Record Updated | Aug 11, 2022 |
| Title Company | PINNACLE TITLE AND ESCROW IN |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $10,065.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 28 TREWORTHY RD, GAITHERSBURG, MD 20878-2631 |
| Document Number | 0054909127 |
|---|---|
| Date | Sep 20, 2017 |
| Instrument | 54909/127 |
| Name | CORNERSTONE MORTGAGE SERVICES INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2047 |
The 2025 property tax bill for 28 Treworthy Rd was $10,116.
Source: Montgomery County assessment roll, as of August 17, 2026
| Type | Name |
|---|---|
| State | Maryland |
| County | Montgomery County |
| Municipality | Gaithersburg City |
| Unified School District | Montgomery County Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $843,000 (+5.6%) Land $299,400 Building $543,600 | $843,000 (-) Land $299,400 Building $543,600 | |
| 2025 | $10,116.00 | $798,300 | $843,000 Land $299,400 Building $543,600 |
| 2023 | $708,900 Land $299,400 Building $409,500 | $708,900 Land $299,400 Building $409,500 | |
| 2022 | $8,346.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 28 Treworthy Rd in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective April 12, 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 | 3 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 28 Treworthy Rd is low, with less than 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 99.1% of the US · lower than 98.5% of Maryland |
|---|---|
| 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 | WASHINGTON SUBURBAN SANITARY COMMISSION serves 1,900,000 people · EPA ID MD0150005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | May 2025 |
| Lead | Under 1 ppb (2018–2020) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 354 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
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