820 4th Ave, Berlin, NH 03570 Property Records

Coos County and Berlin City property record for 820 4th Ave, Berlin, NH 03570

Property Summary

Property Type	Duplex
Details	5 bd · 2.5 ba · 1,910 sqft · built 1910
Lot Size	0.11 acres (4,792 sqft)
Owner	2 Individual Names on Record
Last Sale	$205,000 (Mar 2026)
Tax Bill	$4,119 (2025)
Deeds & Mortgages	Mar 2026 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`11900046700000001`

Property Details

APN / Parcel Number

Primary APN	`11900046700000001`
Alternative APN	`BELN M:00119 B:000467 L:000000`

Interior

Bedrooms	5 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Units	2 Units
Stories	2 Stories
Building Area	1,910 sqft Living Area
Gross Area	3,789 sqft
Basement Area	1,382 sqft
Unfinished Basement	1,382 sqft

Exterior

Year Built	Built 1910
Effective Year Built	Effective 1910
Architectural Style	Duplex Single
Exterior Material	Aluminum/Vinyl
Roof Type	Hip
Roof Material	Asphalt
Lot Area	4,792 sqft (0.11 acres)

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	11900046700000001
Street Address	820 4TH AVE
City	BERLIN
State	NH
Zip	03570-1612
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	RT
Legal Block	467
Jurisdiction	BERLIN CITY NH
Township / Civil Division	BERLIN
Census Block Group	3
Census Block	3004
Census Tract	950800

Owner

Source: Coos County and Berlin City records, as of May 29, 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	17 KEARNS DR, MERRIMACK, NH 03054-3112
Owner Type	Individual
Vesting	Joint Tenants with Right of Survivorship

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 2, 2026 · Amount on Record
Deed Sale	Mar 2, 2026 · Amount on Record
Prior Sale	Jul 31, 2014 · Amount on Record
Deed Book / Page	1697 / 456
Record Updated	Sep 20, 2026

March 2026: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BERLIN CITY NH
Recording Date	Mar 2, 2026
Property Address	820 4TH AVE, BERLIN, NH 03570-1612
Document Number	001697-456
Book / Page	1697 / 456
Instrument Date	Feb 26, 2026
Instrument	2600802
Transaction Type	Transfer
Record Updated	Mar 25, 2026

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	17 KEARNS DR, MERRIMACK, NH 03054-3112

Mortgage

Document Number	0002600803
Date	Mar 2, 2026
Instrument	2600803

Lender

Name	NH HSNG FIN AUTH

Agreement

Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2056

Tax Assessment & Valuation

Source: Coos County and Berlin City assessment roll, as of May 29, 2026

Property Jurisdictions

Type	Name
State	New Hampshire
County	Coos County
Municipality	Berlin City
Unified School District	Berlin School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2025	$4,119.00 (+8.77%)	$122,600 (-) Land $8,500 Building $114,100
2024	$3,787.00 (+14.83%)	$122,600 (-) Land $8,500 Building $114,100
2023	$3,298.00 (-1.32%)	$122,600 (-) Land $8,500 Building $114,100
2022	$3,342.00	$122,600 Land $8,500 Building $114,100

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

Flood

Source: FEMA National Flood Hazard Layer, effective February 20, 2013 · 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 (1978)
Most Recent Claim	Feb 1978 · tidal / storm surge

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	Low lower than 80% of the US · above 52% of New Hampshire
Wildfire Likelihood	0.01% annual chance
Exposure	Indirect 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	BERLIN WATER WORKS serves 9,575 people · EPA ID NH0231010
Water Source	Surface water
Last State Inspection	Aug 2025
Lead	Under 1 ppb (2022–2024) 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 446 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Fidium Fiber Fiber · DSL in parts of the area	2,000 / 2,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Netafy Fixed Wireless	150 / 150
T-Mobile Fixed Wireless	100 / 20