Real Estate Data API

80503 Longmont

461 active listings out of 14K total properties we track in ZIP 80503 (Longmont, CO) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
461
Median
$850K
+13.9%
Sold Sep
39
+77.3%
Tracked
14K
Zoomed out

While you're here, take in the bigger picture — maps below show Colorado (statewide), not just 80503. Same company, same dataset, different resolution.

Get this data →
Key Numbers
Tracked
14K
Active
461
Median list
$850K
Sales (12mo)
446
Get this data →
Key Numbers
Tracked
14K
Active
461
Median list
$850K
Sales (12mo)
446
Get this data →
Key Numbers
Tracked
14K
Active
461
Median list
$850K
Sales (12mo)
446
Get this data →
Key Numbers
Tracked
14K
Active
461
Median list
$850K
Sales (12mo)
446
Get this data →
Key Numbers
Tracked
14K
Active
461
Median list
$850K
Sales (12mo)
446

Inventory breakdown

Distribution of the 461 currently-active listings in ZIP 80503. Full dataset covers 14K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 7 (1.5%)
$300K–$500K 56 (12.3%)
$500K–$750K 124 (27.1%)
$750K–$1M 104 (22.8%)
$1M–$2M 88 (19.3%)
$2M+ 78 (17.1%)
Active by bedroom count
Studio/1 bd 9
2 bd 53
3 bd 141
4 bd 145
5+ bd 95
Active by property type
Single Family 352 (76.4%)
Townhouse 56 (12.1%)
Condo 29 (6.3%)
Lot 14 (3%)
Multi Family 5 (1.1%)
Other 4 (0.9%)
For Developers

Get Longmont 80503 data in your app

curl
request
GET https://api.straply.com/v1/markets/zip/80503
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "zip": "80503",
  "total_tracked": 13945,
  "active": 461,
  "median_list": 850000
}

ZIP 80503 · Longmont, CO real estate: market summary

As of November 2026, Straply tracks 13,945 homes in ZIP 80503 (Longmont, CO), with 461 active for sale at a median list price of $850,000 (~$345/sq ft). Notably, home prices are climbing — the median sale price is up 14% year over year.

Median list price
$850,000
Median $/sq ft
$345
Active listings
461
Median sale price
$745,000 (+14% YoY)
Properties tracked
13,945

Frequently asked: ZIP 80503 · Longmont, CO real estate

What is the median home price in ZIP 80503?

The median list price in ZIP 80503 (Longmont, CO) is $850,000 (about $345 per square foot), based on 461 active listings tracked by Straply as of November 2026.

What price range are homes in ZIP 80503?

Active listings in ZIP 80503 (Longmont, CO) concentrate in: 27% $500k–$750k and 23% $750k–$1m.

Are home prices in ZIP 80503 going up or down?

The median sale price is $745,000, up 14% year over year. Straply tracked 446 sales here over the past 12 months.

How many homes are for sale in ZIP 80503?

Straply is tracking 461 active listings in ZIP 80503 (Longmont, CO) out of 13,945 properties on record as of November 2026.

How old are the homes in ZIP 80503?

Most homes in ZIP 80503 (Longmont, CO) were built in the 1990s. About 72% were built after 1980. The newest tracked home dates to 2026.

What types of homes are in ZIP 80503?

ZIP 80503 (Longmont, CO) is mostly single-family homes (76% of listings). Also common: townhouses 12%, condos 6%.

How many bedrooms do homes in ZIP 80503 typically have?

The most common size in ZIP 80503 (Longmont, CO) is 4 bd.

What areas are near ZIP 80503?

Nearby markets Straply also tracks include Longmont 80501, Niwot 80544, Longmont 80504, Boulder 80301.

Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.