99 Prospect St
Acton, MA 01720
3 bd 4 ba 2,670 sqft Built 2003 Lot 20,038 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $678,300 | $272,800 | $951,100 | $16,311 |
| 2024 | $635,100 | $272,800 | $907,900 | $15,135 |
| 2023 | $595,300 | $248,100 | $843,400 | $14,810 |
| 2022 | $502,300 | $215,700 | $718,000 | $13,965 |
| 2021 | $475,700 | $199,500 | $675,200 | $13,659 |
| 2020 | $469,100 | $199,500 | $668,600 | $12,864 |
| 2019 | $429,100 | $199,500 | $628,600 | $12,176 |
| 2018 | $415,600 | $199,500 | $615,100 | $11,921 |
| 2017 | $408,900 | $199,500 | $608,400 | $11,596 |
| 2016 | $388,600 | $199,500 | $588,100 | $11,309 |
| 2015 | $387,900 | $199,500 | $587,400 | $11,190 |
| 2013 | $350,100 | $199,500 | $549,600 | $10,497 |
| 2006 | $398,500 | $212,200 | $610,700 | $8,904 |
| 2005 | $418,100 | $184,700 | $602,800 | $8,325 |
| 2004 | $317,700 | $188,100 | $505,800 | $7,096 |
| 2003 | $78,200 | $171,300 | $249,500 | $3,381 |
Property facts
Year built
2003
Property type
single_family
Stories
—
Beds
3
Baths
4
Living area
2,670 sqft
Lot size
20,038 sqft
ZIP code
01720
City
Acton
Street
Prospect St
Coordinates
42.47028, -71.45803
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 99 Prospect St last sell?
No public-record sale is on file for 99 Prospect St.
What is the current tax assessment for 99 Prospect St?
The most recent total assessment for 99 Prospect St (year 2025) is $951,100 with $16,311 in property tax.
When was 99 Prospect St built?
99 Prospect St was built in 2003.
How does 99 Prospect St compare to others on Prospect St?
We track 8 other properties on Prospect St. Browse the list under "Other properties on Prospect St" to compare beds, baths, and sale history.
What are the property facts for 99 Prospect St?
99 Prospect St is a 3 bed, 4 bath, 2,670 sqft, 20,038 sqft lot single_family.
Is 99 Prospect St a flip candidate?
No — 99 Prospect St does not appear in our flips dataset.
Is 99 Prospect St a tax-appeal candidate?
No — 99 Prospect St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-4.0%
Implied 1-yr
-15.9%
2026 Q3
$547.2K
2026 Q4
$517.9K
ZIP 01720 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Prospect St