20877 Gaithersburg
148 active listings out of 8.6K total properties we track in ZIP 20877 (Gaithersburg, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
Download Gaithersburg 20877 property data
8,578 property records for ZIP 20877 — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.
Monthly snapshot · 892 KB Parquet · CSV (1.5 MB)
Records keep changing after a snapshot is compiled.
Rebuilt every day · same columns, same file layout
While you're here, take in the bigger picture — maps below show Washington, D.C. metro, not just 20877. Same company, same dataset, different resolution.
Over the past 12 months, ZIP 20877 has recorded 185 home sales. In September 2026 there were14 sales (-36.4% vs the prior month). Most recent median sale price: $464K.
- Tracked
- 8.6K
- Active
- 148
- Median list
- $499K
- Sales (12mo)
- 185
Right now, 148 homes are actively for sale in ZIP 20877. Median list price is $499K at $246/sqft. Hover each hex for micro-neighborhood stats (median price, $/sqft, top property type).
- Tracked
- 8.6K
- Active
- 148
- Median list
- $499K
- Sales (12mo)
- 185
- Tracked
- 8.6K
- Active
- 148
- Median list
- $499K
- Sales (12mo)
- 185
- Tracked
- 8.6K
- Active
- 148
- Median list
- $499K
- Sales (12mo)
- 185
- Tracked
- 8.6K
- Active
- 148
- Median list
- $499K
- Sales (12mo)
- 185
- Tracked
- 8.6K
- Active
- 148
- Median list
- $499K
- Sales (12mo)
- 185
Inventory breakdown
Distribution of the 148 currently-active listings in ZIP 20877. Full dataset covers 8.6K properties — listings, off-market homes, rentals, and full history.
Get Gaithersburg 20877 data in your app
GET https://api.straply.com/v1/markets/zip/20877
Authorization: Bearer $STRAPLY_KEY{
"zip": "20877",
"total_tracked": 8621,
"active": 148,
"median_list": 499000
}Nearby ZIP codes
Other Maryland ZIPs within a short drive of 20877.
ZIP 20877 · Gaithersburg, MD real estate: market summary
As of November 2026, Straply tracks 8,621 homes in ZIP 20877 (Gaithersburg, MD), with 148 active for sale at a median list price of $499,000 (~$246/sq ft). Notably, home prices are climbing — the median sale price is up 18% year over year.
- Median list price
- $499,000
- Median $/sq ft
- $246
- Active listings
- 148
- Median sale price
- $463,550 (+18% YoY)
- Properties tracked
- 8,621
Frequently asked: ZIP 20877 · Gaithersburg, MD real estate
What is the median home price in ZIP 20877?
The median list price in ZIP 20877 (Gaithersburg, MD) is $499,000 (about $246 per square foot), based on 148 active listings tracked by Straply as of November 2026.
What price range are homes in ZIP 20877?
Active listings in ZIP 20877 (Gaithersburg, MD) concentrate in: 47% $500k–$750k and 27% $300k–$500k.
Are home prices in ZIP 20877 going up or down?
The median sale price is $463,550, up 18% year over year. Straply tracked 185 sales here over the past 12 months.
How many homes are for sale in ZIP 20877?
Straply is tracking 148 active listings in ZIP 20877 (Gaithersburg, MD) out of 8,621 properties on record as of November 2026.
How old are the homes in ZIP 20877?
Most homes in ZIP 20877 (Gaithersburg, MD) were built in the 1970s. About 49% were built after 1980. The newest tracked home dates to 2026.
What types of homes are in ZIP 20877?
ZIP 20877 (Gaithersburg, MD) is mostly townhouses (35% of listings). Also common: single-family homes 34%, condos 29%.
How many bedrooms do homes in ZIP 20877 typically have?
The most common size in ZIP 20877 (Gaithersburg, MD) is 3 bd.
What areas are near ZIP 20877?
Nearby markets Straply also tracks include Washington Grove 20880, Gaithersburg 20879, Rockville 20855, Montgomery Village 20886.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.