1646 North St, Boulder, CO 80304 Property Records

Boulder County property record for 1646 North St, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.75 ba · 1,588 sqft · built 1950
Lot Size	0.173 acres (7,532 sqft)
Owner	2 Individual Names on File
Last Sale	$417,000 (Nov 2009)
Tax Bill	$6,762 (2025)
Deeds & Mortgages	Oct 2025 Mortgage Apr 2018 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1463-30-2-26-079`

Property Details

APN / Parcel Number

Primary APN	`1463-30-2-26-079`
Alternative APNs	`R0000531` `0000531`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,588 sqft Living Area
1st Floor Area	1,588 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1985
Architectural Style	Ranch
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	7,532 sqft (0.173 acres)
Porch	Porch
Porch Area	46 sqft
Deck Area	280 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0000531
Street Address	1646 NORTH ST
City	BOULDER
State	CO
Zip	80304-3516
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 20 LESS W 30 FT & SW 20 FT LOT 21 BLK 2 SUNSET HILL
Legal Range	70
Legal Township	1N
Legal Section	30
Legal Subdivision	SUNSET HILL - BO
Legal Block	2
Legal Lot Number	20
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1012
Census Tract	12106

Owner

Source: Boulder County assessment roll, as of June 15, 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 File
Mailing Address	1646 NORTH ST, BOULDER, CO 80304-3516
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Oct 27, 2025	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Apr 25, 2018	Deed of Trust, Mortgage · Commercial Mortgage FIRST NATIONAL BANK OF OMAHA

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Nov 4, 2009 · Amount on Record
Deed Sale	Nov 4, 2009 · Amount on Record
Prior Sale	Jan 6, 1987 · Amount on Record
Deed Document Number	20093039676
Last Transfer Date	Dec 7, 2012
Transfer Doc	0003274914
Record Updated	Sep 20, 2026

October 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	1646 NORTH ST, BOULDER, CO 80304-3516
Transaction Type	Mortgage
Record Updated	Nov 19, 2025
Title Company	FIRST AMERICAN TITLE INSURANCE COMPANY MT, FIRST AMER TITLE INS COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1646 NORTH ST, BOULDER, CO 80304-3516

Mortgage

Document Number	0004107047
Date	Oct 27, 2025
Instrument	4107047

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Nov 1, 2040

April 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	1646 NORTH ST, BOULDER, CO 80304-3516
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003652084
Date	Apr 25, 2018
Instrument	3652084

Lender

Name	FIRST NATIONAL BANK OF OMAHA
Type	Bank
Address	OMAHA, NE 68197

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 15, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$77,167 (+8.8%) Land $61,275 Building $15,892	$1,134,800 (-) Land $901,100 Building $233,700
2025	$6,762.00 (-5.74%)	$70,925 (-18.25%) Land $56,319 Building $14,606	$1,134,800 (-12.36%) Land $901,100 Building $233,700
2023	$7,174.00 (+18.66%)	$86,759 (+33.24%) Land $59,637 Building $27,122	$1,294,900 (+38.21%) Land $890,100 Building $404,800
2022	$6,046.00	$65,114 Land $45,015 Building $20,099	$936,900 Land $647,700 Building $289,200

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 27 individual policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	102 units insured incl. 75 condo units
Nearby Flood Claims	4 (2013–2023)
Most Recent Claim	Mar 2023 · other causes
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 3 claims

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 · lower than 91% of Colorado
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
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 544 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Fixed Wireless	2,500 / 2,500
Lumen Technologies Fiber	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Live Wire Networks Fixed Wireless	250 / 100
T-Mobile USA Fixed Wireless	100 / 20

May also be available: AT&T.

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