439 17th St, Boulder, CO 80302 Property Records

Boulder County property record for 439 17th St, Boulder, CO 80302

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 2,264 sqft · built 1950
Lot Size	0.212 acres (9,251 sqft)
Owner	2 Individual Names on File
Last Sale	$1,100,000 (Apr 2021)
Tax Bill	$8,571 (2025)
Deeds & Mortgages	Jun 2022 Line of Credit Apr 2021 Sale & Mortgage
Flood Zone	Zone X (moderate risk)
APN	`1577-06-2-11-001`

Property Details

APN / Parcel Number

Primary APN	`1577-06-2-11-001`
Alternative APNs	`R0004363` `0004363`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	2,264 sqft Living Area
Gross Area	2,304 sqft
1st Floor Area	1,648 sqft
Basement Area	616 sqft
Finished Basement	616 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1980
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	9,251 sqft (0.212 acres)
Porch	Enclosed Porch
Porch Area	160 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0004363
Street Address	439 17TH ST
City	BOULDER
State	CO
Zip	80302-7903
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 1 & E 22 1/2 FT LOT 2 BLK 16 FLORAL PARK
Legal Range	70
Legal Township	1S
Legal Section	06
Legal Subdivision	FLORAL PARK & WEIHOFEN RESUB - BO
Legal Block	16
Legal Lot Number	1
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1020
Census Tract	12505

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	439 17TH ST, BOULDER, CO 80302-7903
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jun 27, 2022	Deed of Trust, Mortgage · Line of Credit ENT CU
Apr 13, 2021	Special Warranty Deed, Transfer · Conventional Mortgage SWBC MORTGAGE CORP

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Apr 13, 2021 · Amount on Record
Deed Sale	Apr 13, 2021 · Amount on Record
Prior Sale	Mar 16, 1964
Deed Document Number	20213876523
Record Updated	Sep 20, 2026

June 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	439 17TH ST, BOULDER, CO 80302-7903
Transaction Type	Mortgage
Record Updated	Jul 18, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003968895
Date	Jun 27, 2022
Instrument	3968895

Lender

Name	ENT CU
Type	Credit Union
Address	COLORADO SPRINGS, CO 80921

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	240 Months
Due	Jun 28, 2042

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

April 2021: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 13, 2021
Property Address	439 17TH ST, BOULDER, CO 80302-7903
Document Number	0003876523
Instrument Date	Apr 12, 2021
Instrument	3876523
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	HERITAGE TITLE COMPANY, HERITAGE TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$110.00
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
Address	439 17TH ST, BOULDER, CO 80302-7903

Mortgage

Document Number	0003876524
Date	Apr 13, 2021
Instrument	3876524

Lender

Name	SWBC MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2051

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		$97,811 (+8.8%) Land $72,930 Building $24,881	$1,438,400 (-) Land $1,072,500 Building $365,900
2025	$8,571.00 (+13.19%)	$89,900 (-1.61%) Land $67,031 Building $22,869	$1,438,400 (+5.47%) Land $1,072,500 Building $365,900
2023	$7,572.00 (+3.66%)	$91,375 (+17.36%) Land $68,300 Building $23,075	$1,363,800 (+21.74%) Land $1,019,400 Building $344,400
2022	$7,305.00	$77,860 Land $55,961 Building $21,899	$1,120,300 Land $805,200 Building $315,100

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 15 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	15 in force
Nearby Flood Claims	12 (1994–2013)
Claims Outside the SFHA	4 of 12
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 10 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	Moderate above 67% of the US · above 60% of Colorado
Wildfire Likelihood	0.3% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 481 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 · DSL in parts of the area	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: Magnolia Road Internet Cooperative.

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