21 Tomac Ave
Old Greenwich, CT 06870
4 bd 5 ba 3,416 sqft Built 1990 Lot 15,682 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 | $786,730 | $942,480 | $1,729,210 | $21,371 |
| 2023 | $786,730 | $942,480 | $1,729,210 | $20,121 |
| 2022 | $773,080 | $942,480 | $1,715,560 | $19,780 |
| 2021 | $693,280 | $820,190 | $1,513,470 | $18,222 |
| 2020 | $693,280 | $820,190 | $1,513,470 | $18,192 |
| 2019 | $693,280 | $820,190 | $1,513,470 | $18,374 |
| 2018 | $693,280 | $820,190 | $1,513,470 | $17,965 |
| 2017 | $693,280 | $820,190 | $1,513,470 | $18,190 |
| 2016 | $693,280 | $820,190 | $1,513,470 | $17,903 |
| 2015 | $720,090 | $1,035,020 | $1,755,110 | $20,821 |
| 2013 | $720,090 | $1,035,020 | $1,755,110 | $19,850 |
| 2006 | $858,340 | $1,274,070 | $2,132,410 | $16,739 |
| 2004 | $715,400 | $513,100 | $1,228,500 | $14,337 |
| 2003 | $715,400 | $513,100 | $1,228,500 | $13,870 |
Property facts
Year built
1990
Property type
single_family
Stories
2
Beds
4
Baths
5
Living area
3,416 sqft
Lot size
15,682 sqft
ZIP code
06870
City
Old Greenwich
Street
Tomac Ave
Coordinates
41.02734, -73.55864
Comparable properties nearby
Frequently asked questions
When did 21 Tomac Ave last sell?
No public-record sale is on file for 21 Tomac Ave.
What is the current tax assessment for 21 Tomac Ave?
The most recent total assessment for 21 Tomac Ave (year 2025) is $1,729,210 with $21,371 in property tax.
When was 21 Tomac Ave built?
21 Tomac Ave was built in 1990.
How does 21 Tomac Ave compare to others on Tomac Ave?
We track 6 other properties on Tomac Ave. Browse the list under "Other properties on Tomac Ave" to compare beds, baths, and sale history.
What are the property facts for 21 Tomac Ave?
21 Tomac Ave is a 4 bed, 5 bath, 3,416 sqft, 15,682 sqft lot single_family.
Is 21 Tomac Ave a flip candidate?
No — 21 Tomac Ave does not appear in our flips dataset.
Is 21 Tomac Ave a tax-appeal candidate?
No — 21 Tomac Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-0.9%
Implied 1-yr
-3.4%
2026 Q3
$2.67M
2026 Q4
$2.65M
ZIP 06870 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Tomac Ave