9 Spring St, #11, Waltham, MA 02451 Property Records

Middlesex County and Waltham City property record for 9 Spring St, #11, Waltham, MA 02451

Property Summary

Property Type	Office Building
Details	1.5 ba · 6,975 sqft · built 1959
Lot Size	0.065 acres (2,849 sqft)
Owner	2 Company Names on Record
Tax Bill	$17,863 (2025)
Flood Zone	Zone X (minimal risk)
APN	`107137`

Property Details

APN / Parcel Number

Primary APN	`107137`
Alternative APN	`WALT M:060 B:011 L:0016`

Interior

Full Baths	1.5 Baths
Half Baths	3 Half Baths
Units	4 Units
Stories	2 Stories
Building Area	6,975 sqft Total Area
Gross Area	7,065 sqft
Basement Area	2,295 sqft
Finished Basement	2,295 sqft
Unfinished Basement	2,295 sqft

Exterior

Year Built	Built 1959
Effective Year Built	Effective 1959
Exterior Material	Brick
Construction Type	Steel Frame
Roof Type	Flat
Roof Material	Tar & Gravel
Lot Area	2,849 sqft (0.065 acres)

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	107137
Street Address	9 SPRING ST, 11
City	WALTHAM
State	MA
Zip	02451-4412
Property Category	Commercial
Property Type	Commercial > Office > Office Building
Legal Block	11
Legal Lot Number	16
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	2
Census Block	2009
Census Tract	368902

Owner

Source: Middlesex County and Waltham City records, as of September 28, 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 Record
Mailing Address	11 SPRING ST, WALTHAM, MA 02451-4412
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

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

Tax Assessment & Valuation

Source: Middlesex County and Waltham City assessment roll, as of April 14, 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

Year	Tax Bill	Assessed Value
2025	$17,863.00 (+13.6%)	$849,000 (+11.81%) Land $166,000 Building $683,000
2024	$15,725.00	$759,300 Land $151,100 Building $608,200

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

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	1 (1979)
Most Recent Claim	Jan 1979 · rainfall accumulation

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Not rated no burnable land within ember reach

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	WALTHAM WATER DEPARTMENT serves 65,218 people · EPA ID MA3308000
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, 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 504 locations within half a mile, as of December 31, 2025

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