99 Knox Marsh Rd, Dover, NH 03820 Property Records

Strafford County and Dover City property record for 99 Knox Marsh Rd, Dover, NH 03820

Property Summary

Property Type	Commercial Building, Warehouse, Showroom
Details	6 bd · 2 ba · 1,872 sqft · built 1938
Lot Size	20.4 acres (891,238 sqft)
Owner	Company Name on Record
Last Sale	$1,885,100 (Nov 1992)
Tax Bill	$23,773 (2025)
Flood Zone	Zone X (minimal risk)
APN	`DOVR M:H0034 B:L`

Property Details

APN / Parcel Number

Primary APN	`DOVR M:H0034 B:L`

Interior

Bedrooms	6 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,872 sqft Total Area
1st Floor Area	936 sqft
Basement Area	1,118 sqft
Unfinished Basement	1,118 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1938
Effective Year Built	Effective 1938
Architectural Style	Colonial
Exterior Material	Aluminum/Vinyl
Lot Area	891,238 sqft (20.4 acres)
Garage Type	Basement
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	HVAC

Location & Zoning

Street Address	99 KNOX MARSH RD
City	DOVER
State	NH
Zip	03820-5403
Property Category	Commercial
Property Type	Commercial > Retail > Commercial Building, Warehouse, Showroom
Local Zoning Code	CM
Jurisdiction	DOVER CITY NH
Township / Civil Division	DOVER
Census Block Group	1
Census Block	1000
Census Tract	81101

Owner

Source: Strafford County and Dover City records, as of July 28, 2026

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

Owner of Record	Company Name on Record
Mailing Address	290 HERITAGE AVE, 1, PORTSMOUTH, NH 03801-6874
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 23, 1992 · Amount on Record
Deed Sale	Nov 23, 1992 · Amount on Record
Deed Book / Page	1645 / 573
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Strafford County and Dover City assessment roll, as of July 28, 2026

Property Jurisdictions

Type	Name
State	New Hampshire
County	Strafford County
Municipality	Dover City
Unified School District	Dover School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2025	$23,773.00 (+8.31%)	$1,208,000 (-) Land $1,189,300 Building $18,700
2024	$21,949.00 (-30.72%)	$1,208,000 (-28.7%) Land $1,189,300 Building $18,700
2023	$31,682.00 (+20.24%)	$1,694,200 (+27.58%) Land $1,677,800 Building $16,400
2022	$26,348.00	$1,328,000 Land $1,313,200 Building $14,800

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

Flood

Source: FEMA National Flood Hazard Layer, effective April 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 80% of the US · above 52% of New Hampshire
Wildfire Likelihood	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	DOVER WATER DEPT serves 29,000 people · EPA ID NH0651010
Water Source	Groundwater
Last State Inspection	Oct 2025
Lead	1 ppb (2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
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 108 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Breezeline Fiber · Cable in parts of the area	1,000 / 1,000
Verizon Fixed Wireless	300 / 20