4170 17th St, Boulder, CO 80304 Property Records

Boulder County property record for 4170 17th St, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	5 bd · 4 ba · 3,413 sqft · built 2001
Lot Size	0.169 acres (7,381 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,000,000 (Jul 2017)
Tax Bill	$10,504 (2025)
Deeds & Mortgages	Aug 2022 Line of Credit Aug 2021 Mortgage + 1 more
Flood Zone	Zone AE (high risk)
APN	`1463-18-3-60-001`

Property Details

APN / Parcel Number

Primary APN	`1463-18-3-60-001`
Alternative APNs	`R0146524` `0146524`

Interior

Bedrooms	5 Beds
Full Baths	4 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	3,413 sqft Living Area
1st Floor Area	2,078 sqft
Upper Floors Area	1,335 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2001
Effective Year Built	Effective 2001
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Lot Area	7,381 sqft (0.169 acres)
Garage Type	Detached
Garage Area	621 sqft

Exterior Amenities

Porch	Porch
Porch Area	186 sqft
Deck Area	63 sqft
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0146524
Street Address	4170 17TH ST
City	BOULDER
State	CO
Zip	80304-0843
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 1 IMPOSSIBLE
Legal Range	70
Legal Township	1N
Legal Section	18
Legal Subdivision	IMPOSSIBLE - BO
Legal Block	3
Legal Lot Number	1
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3000
Census Tract	12105

Owner

Source: Boulder County records, 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 Record
Mailing Address	4170 17TH ST, BOULDER, CO 80304-0843
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Aug 22, 2022	Deed of Trust, Mortgage · Line of Credit ZB NA
Aug 24, 2021	Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA
Jul 14, 2017	Warranty Deed, Transfer CITYWIDE HMS LNS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 14, 2017 · Amount on Record
Deed Sale	Jul 14, 2017 · Amount on Record
Prior Sale	Apr 30, 2004 · Amount on Record
Deed Document Number	20173603373
Record Updated	Sep 20, 2026

August 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4170 17TH ST, BOULDER, CO 80304-0843
Transaction Type	Mortgage
Record Updated	Aug 31, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4170 17TH ST, BOULDER, CO 80304-0843

Mortgage

Document Number	0003977676
Date	Aug 22, 2022
Instrument	3977676

Lender

Name	ZB NA
Type	Bank
Address	DENVER, CO 80222

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

August 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4170 17TH ST, BOULDER, CO 80304-0843
Transaction Type	Mortgage
Record Updated	Aug 31, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003909100
Date	Aug 24, 2021
Instrument	3909100

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank
Address	COLUMBUS, OH 43240

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Aug 1, 2051

July 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jul 14, 2017
Property Address	4170 17TH ST, BOULDER, CO 80304-0843
Document Number	0003603373
Instrument Date	Jul 7, 2017
Instrument	3603373
Transaction Type	Transfer
Record Updated	Jul 26, 2017
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$100.00
Amount Accuracy	Confirmed
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	4170 17TH ST BOULDER CO 803040843, BOULDER, CO 80304-0843

Mortgage

Document Number	3603374
Date	Jul 14, 2017
Instrument	3603374

Lender

Name	CITYWIDE HMS LNS
Type	Funding / Finance Company
Address	SANDY, UT 84070

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jul 13, 2047

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		$119,864 (+8.8%) Land $49,851 Building $70,013	$1,762,700 (-) Land $733,100 Building $1,029,600
2025	$10,504.00 (+3.91%)	$110,170 (-8.76%) Land $45,819 Building $64,351	$1,762,700 (-2.2%) Land $733,100 Building $1,029,600
2023	$10,109.00 (+19.6%)	$120,754 (+32.67%) Land $46,639 Building $74,115	$1,802,300 (+37.62%) Land $696,100 Building $1,106,200
2022	$8,452.00	$91,018 Land $37,815 Building $53,203	$1,309,610 Land $544,100 Building $765,510

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 AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 32 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	32 in force
Nearby Flood Claims	26 (2005–2015)
Claims Outside the SFHA	10 of 26
Most Recent Claim	May 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 23 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 62% of the US · lower than 79% of Colorado
Wildfire Likelihood	0.07% 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	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 384 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
Xfinity Cable	2,000 / 250
LiveWireNet Fixed Wireless	250 / 100
CenturyLink DSL · Fiber in parts of the area	140 / 20
AT&T Fixed Wireless	100 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

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