550 Central Ave, Dover, NH 03820 Property Records

Strafford County and Dover City property record for 550 Central Ave, Dover, NH 03820

Property Summary

Property Type	Office Building
Details	built 1960
Lot Size	0.25 acres (10,890 sqft)
Owner	Company Name on File
Last Sale	$395,000 (Aug 2007)
Tax Bill	$12,601 (2025)
Deeds & Mortgages	Jul 2020 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`DOVR M:05017 B:L`

Property Details

APN / Parcel Number

Primary APN	`DOVR M:05017 B:L`

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1960
Exterior Material	Combination
Construction Type	Frame
Lot Area	10,890 sqft (0.25 acres)
Parking Spaces	15 Parking Spaces

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C

Location & Zoning

Street Address	550 CENTRAL AVE
City	DOVER
State	NH
Zip	03820-3483
Property Category	Commercial
Property Type	Commercial > Office > Office Building
Local Zoning Code	CBD-G
Jurisdiction	DOVER CITY NH
Township / Civil Division	DOVER
Census Block Group	2
Census Block	2015
Census Tract	81500

Owner

550 Central Ave, a commercial property, is owned by a company that bought it in August 2007.

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

Owner of Record	Company Name on File
Mailing Address	550 CENTRAL AVE, DOVER, NH 03820-3483
Owner Type	Company

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 31, 2007 · Amount on File
Deed Sale	Aug 31, 2007 · Amount on File
Deed Book / Page	3569 / 985
Record Updated	Sep 20, 2026

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DOVER CITY NH
Property Address	550 CENTRAL AVE, DOVER, NH 03820-3483
Document Number	0047810296
Instrument Date	Jul 10, 2020
Transaction Type	Mortgage
Record Updated	Jul 27, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	550 CENTRAL AVE DOVER NH 038203483, DOVER, NH 03820-3483

Mortgage

Document Number	0047810296
Date	Jul 10, 2020
Book Page	004781/000296
Instrument	10754

Lender

Name	FIRST SEACOAST BK
Address	DOVER, NH 03820

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	180 Months
Due	Jul 9, 2035

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 550 Central Ave was $12,601, up 8.3% from the year before.

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	$12,601.00 (+8.31%)	$640,300 (-) Land $327,200 Building $313,100
2024	$11,634.00 (-2.69%)	$640,300 (+0.16%) Land $327,200 Building $313,100
2023	$11,955.00 (+22.58%)	$639,300 (+30.04%) Land $327,200 Building $312,100
2022	$9,753.00	$491,600 Land $261,800 Building $229,800

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

Flood

FEMA maps place 550 Central Ave in Zone X, an area of minimal flood risk.

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

Wildfire risk around 550 Central Ave is low, with a 0.01% annual chance of 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	None beyond 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	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 429 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
AT&T Fixed Wireless	100 / 20