30 Grant St, Waltham, MA 02453 Property Records

Middlesex County and Waltham City property record for 30 Grant St, Waltham, MA 02453

Property Summary

Property Type	Office Building
Details	2 ba · 2,236 sqft · built 1920
Lot Size	0.282 acres (12,271 sqft)
Owner	2 Company Names on File
Tax Bill	$10,991 (2025)
Flood Zone	Zone X (minimal risk)
APN	`45622`

Property Details

APN / Parcel Number

Primary APN	`45622`
Alternative APN	`WALT M:059 B:020 L:0008`

Interior

Full Baths	2 Baths
Half Baths	4 Half Baths
Stories	1 Story
Building Area	2,236 sqft Total Area
Gross Area	4,472 sqft
Basement Area	2,236 sqft
Unfinished Basement	2,236 sqft

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1920
Exterior Material	Brick
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	12,271 sqft (0.282 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Account Number	45622
Street Address	30 GRANT ST
City	WALTHAM
State	MA
Zip	02453-4202
Property Category	Commercial
Property Type	Commercial > Office > Office Building
Legal Block	20
Legal Lot Number	8
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	5
Census Block	5000
Census Tract	368300

Owner

Source: Middlesex County and Waltham City assessment roll, APN 45622, as of April 14, 2026 · Last verified April 2026

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

Owner of Record	2 Company Names on File
Mailing Address	21 OVERLOOK DR, WESTON, MA 02493-2128
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Record Updated	Jun 08, 2026

Tax Assessment & Valuation

Source: Middlesex County and Waltham City assessment roll as of April 14, 2026 · Last verified April 2026

Property Jurisdictions

Type	Name
State	Massachusetts
County	Middlesex County
Municipality	Waltham City
Unified School District	Waltham School District (PK - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2025	$10,991.00 (+13.54%)	$522,400 (+11.77%) Land $346,800 Building $175,600
2024	$9,680.00	$467,400 Land $315,500 Building $151,900

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Middlesex County (25017C), as of September 10, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

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

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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

Internet Providers

Source: FCC Broadband Data Collection, 504 locations within half a mile, as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
Xfinity Cable	2,000 / 2,000
Radiate Holdings Cable	1,500 / 50
AT&T Fixed Wireless	100 / 20

Drinking Water

Source: EPA Safe Drinking Water Information System, water system MA3308000, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	WALTHAM WATER DEPARTMENT serves 65,218 people
Water Source	Purchased surface water from MWRA
Last State Inspection	Jun 2024
Lead	2 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.