Real Estate Data API

02451 Waltham

48 active listings out of 6.6K total properties we track in ZIP 02451 (Waltham, MA) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

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Active
48
Median
$862K
±0%
Sales (12mo)
117
Tracked
6.6K
Zoomed out

While you're here, take in the bigger picture — maps below show Boston metro, not just 02451. Same company, same dataset, different resolution.

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Over the past 12 months, ZIP 02451 has recorded 117 home sales.

Key Numbers
Tracked
6.6K
Active
48
Median list
$862K
Sales (12mo)
117
Get this data →

Right now, 48 homes are actively for sale in ZIP 02451. Median list price is $862K at $478/sqft. Hover each hex for micro-neighborhood stats (median price, $/sqft, top property type).

Key Numbers
Tracked
6.6K
Active
48
Median list
$862K
Sales (12mo)
117
Get this data →
Key Numbers
Tracked
6.6K
Active
48
Median list
$862K
Sales (12mo)
117
Get this data →
Key Numbers
Tracked
6.6K
Active
48
Median list
$862K
Sales (12mo)
117
Get this data →
Key Numbers
Tracked
6.6K
Active
48
Median list
$862K
Sales (12mo)
117
Get this data →
Key Numbers
Tracked
6.6K
Active
48
Median list
$862K
Sales (12mo)
117

Inventory breakdown

Distribution of the 48 currently-active listings in ZIP 02451. Full dataset covers 6.6K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 0 (0%)
$300K–$500K 2 (4.2%)
$500K–$750K 15 (31.2%)
$750K–$1M 15 (31.2%)
$1M–$2M 14 (29.2%)
$2M+ 2 (4.2%)
Active by bedroom count
Studio/1 bd 0
2 bd 10
3 bd 17
4 bd 17
5+ bd 4
Active by property type
Single Family 31 (64.6%)
Condo 9 (18.8%)
Multi Family 5 (10.4%)
Townhouse 3 (6.2%)
For Developers

Get Waltham 02451 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/02451
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "02451",
  "total_tracked": 6604,
  "active": 48,
  "median_list": 862450
}
Get an API key Read the docs

ZIP 02451 · Waltham, MA real estate: market summary

As of June 2026, Straply tracks 6,604 homes in ZIP 02451 (Waltham, MA), with 48 active for sale at a median list price of $862,450 (~$478/sq ft). Notably, it has notably historic housing — 27% of homes predate 1940.

Median list price
$862,450
Median $/sq ft
$478
Active listings
48
Properties tracked
6,604

Frequently asked: ZIP 02451 · Waltham, MA real estate

What is the median home price in ZIP 02451?

The median list price in ZIP 02451 (Waltham, MA) is $862,450 (about $478 per square foot), based on 48 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 02451?

Active listings in ZIP 02451 (Waltham, MA) concentrate in: 31% $500k–$750k and 31% $750k–$1m.

How many homes are for sale in ZIP 02451?

Straply is tracking 48 active listings in ZIP 02451 (Waltham, MA) out of 6,604 properties on record as of June 2026.

How old are the homes in ZIP 02451?

Most homes in ZIP 02451 (Waltham, MA) were built in the 1950s. About 27% were built after 1980, while 27% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 02451?

ZIP 02451 (Waltham, MA) is mostly single-family homes (65% of listings). Also common: condos 19%, multi-family homes 10%.

How many bedrooms do homes in ZIP 02451 typically have?

The most common size in ZIP 02451 (Waltham, MA) is 3 bd.

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