04421 Castine
25 active listings out of 487 total properties we track in ZIP 04421 (Castine, ME) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
Download Castine 04421 property data
483 property records for ZIP 04421 — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.
Monthly snapshot · 49 KB Parquet · CSV (75 KB)
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 Maine (statewide), not just 04421. Same company, same dataset, different resolution.
- Tracked
- 487
- Active
- 25
- Median list
- $650K
- Sales (12mo)
- 12
- Tracked
- 487
- Active
- 25
- Median list
- $650K
- Sales (12mo)
- 12
- Tracked
- 487
- Active
- 25
- Median list
- $650K
- Sales (12mo)
- 12
- Tracked
- 487
- Active
- 25
- Median list
- $650K
- Sales (12mo)
- 12
- Tracked
- 487
- Active
- 25
- Median list
- $650K
- Sales (12mo)
- 12
Inventory breakdown
Distribution of the 25 currently-active listings in ZIP 04421. Full dataset covers 487 properties — listings, off-market homes, rentals, and full history.
Get Castine 04421 data in your app
GET https://api.straply.com/v1/markets/zip/04421
Authorization: Bearer $STRAPLY_KEY{
"zip": "04421",
"total_tracked": 487,
"active": 25,
"median_list": 650000
}Nearby ZIP codes
Other Maine ZIPs within a short drive of 04421.
ZIP 04421 · Castine, ME real estate: market summary
As of November 2026, Straply tracks 487 homes in ZIP 04421 (Castine, ME), with 25 active for sale at a median list price of $650,000 (~$386/sq ft). Notably, it has notably historic housing — 41% of homes predate 1940.
- Median list price
- $650,000
- Median $/sq ft
- $386
- Active listings
- 25
- Median sale price
- $617,500 (-44% YoY)
- Properties tracked
- 487
Frequently asked: ZIP 04421 · Castine, ME real estate
What is the median home price in ZIP 04421?
The median list price in ZIP 04421 (Castine, ME) is $650,000 (about $386 per square foot), based on 25 active listings tracked by Straply as of November 2026.
What price range are homes in ZIP 04421?
Active listings in ZIP 04421 (Castine, ME) concentrate in: 36% $500k–$750k and 20% $750k–$1m.
Are home prices in ZIP 04421 going up or down?
The median sale price is $617,500, down 44% year over year. Straply tracked 12 sales here over the past 12 months.
How many homes are for sale in ZIP 04421?
Straply is tracking 25 active listings in ZIP 04421 (Castine, ME) out of 487 properties on record as of November 2026.
How old are the homes in ZIP 04421?
Most homes in ZIP 04421 (Castine, ME) were built in the 2000s. About 36% were built after 1980, while 41% predate 1940. The newest tracked home dates to 2022.
What types of homes are in ZIP 04421?
ZIP 04421 (Castine, ME) is mostly single-family homes (84% of listings). Also common: lots / land 16%.
How many bedrooms do homes in ZIP 04421 typically have?
The most common size in ZIP 04421 (Castine, ME) is 2 bd.
What areas are near ZIP 04421?
Nearby markets Straply also tracks include Brooksville 04617, Harborside 04642, Penobscot 04476, Stockton Springs 04981.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.