485 High St, Dedham, MA 02026 Property Records

Norfolk County and Dedham Town property record for 485 High St, Dedham, MA 02026

Property Summary

Property Type	Office Building
Details	2 ba · 2,750 sqft · built 1936
Lot Size	0.15 acres (6,515 sqft)
Owner	2 Individual Names on Record
Tax Bill	$19,163 (2026)
Flood Zone	Zone X (minimal risk)
APN	`DEDH M:0093 L:0079`

Property Details

APN / Parcel Number

Primary APN	`DEDH M:0093 L:0079`

Interior

Full Baths	2 Baths
Stories	2 Stories
Building Area	2,750 sqft Total Area
Gross Area	4,864 sqft
1st Floor Area	1,524 sqft
Attic	Attic
Attic Area	936 sqft
Basement Area	1,280 sqft
Unfinished Basement	1,280 sqft

Exterior

Year Built	Built 1936
Effective Year Built	Effective 1936
Architectural Style	High Rise
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	6,515 sqft (0.15 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Street Address	485 HIGH ST
City	DEDHAM
State	MA
Zip	02026-2838
Property Category	Commercial
Property Type	Commercial > Office > Office Building
Local Zoning Code	GB
Legal Lot Number	79
Jurisdiction	DEDHAM MA
Township / Civil Division	DEDHAM
Census Block Group	1
Census Block	1009
Census Tract	402400

Owner

Source: Norfolk County and Dedham Town records, as of October 20, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	485 HIGH ST, DEDHAM, MA 02026-2838
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Record Updated	Oct 29, 2026

Tax Assessment & Valuation

Source: Norfolk County and Dedham Town assessment roll, as of April 14, 2026

Property Jurisdictions

Type	Name
State	Massachusetts
County	Norfolk County
County Subdivision	Dedham Town
Unified School District	Dedham School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026	$19,163.00 (+6.96%)	$751,200 (+9.86%) Land $292,200 Building $459,000
2025	$17,916.00 (+6.87%)	$683,800 (+5.56%) Land $276,000 Building $407,800
2024	$16,765.00 (+4.65%)	$647,800 (+7.36%) Land $262,900 Building $384,900
2023	$16,020.00	$603,400 Land $236,600 Building $366,800

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective May 26, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 98% of the US · lower than 96% of Massachusetts
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	DEDHAM WESTWOOD WATER DIST. serves 41,630 people · EPA ID MA3073000
Water Source	Purchased surface water from MWRA
Last State Inspection	Apr 2025
Lead	2 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Total trihalomethanes resolved · Oct 2021
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 271 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Astound Broadband Cable	1,500 / 50
Verizon Fiber · Fixed Wireless in parts of the area	980 / 880
Netafy Fixed Wireless	150 / 150
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20