470 S 39th St, Boulder, CO 80305 Property Records

Boulder County property record for 470 S 39th St, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	5 bd · 2.75 ba · 3,376 sqft · built 1956
Lot Size	0.157 acres (6,834 sqft)
Owner	2 Individual Names on Record
Last Sale	$642,000 (Aug 2017)
Tax Bill	$5,512 (2025)
Deeds & Mortgages	Apr 2021 Mortgage Oct 2020 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`1577-05-4-22-023`

Property Details

APN / Parcel Number

Primary APN	`1577-05-4-22-023`
Alternative APNs	`R0011429` `0011429`

Interior

Bedrooms	5 Beds
Full Baths	2.75 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	1 Story
Building Area	3,376 sqft Living Area
1st Floor Area	1,688 sqft
Basement Area	1,688 sqft
Finished Basement	1,688 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1985
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	6,834 sqft (0.157 acres)
Garage Type	Detached
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0011429
Street Address	470 S 39TH ST
City	BOULDER
State	CO
Zip	80305-5414
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 23 BLK 5 MARTIN ACRES 2
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	MARTIN ACRES 2 - BO
Legal Block	5
Legal Lot Number	23
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3006
Census Tract	12507

Owner

Source: Boulder County records, as of September 18, 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	470 S 39TH ST, BOULDER, CO 80305-5414
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Apr 19, 2021	Deed of Trust, Mortgage · Conventional Mortgage BETTER MORTGAGE CORPORATION
Oct 30, 2020	Quit Claim Deed, Transfer LAND TITLE GUARANTEE
Dec 20, 2019	Deed of Trust, Mortgage · Conventional Mortgage ELEVATIONS CU
Aug 18, 2017	Warranty Deed, Transfer · Conventional Mortgage ELEVATIONS CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 18, 2017 · Amount on Record
Deed Sale	Aug 18, 2017 · Amount on Record
Prior Sale	Jun 19, 2014 · Amount on Record
Deed Document Number	20173609959
Record Updated	Oct 29, 2026

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	470 S 39TH ST, BOULDER, CO 80305-5414
Transaction Type	Mortgage
Record Updated	Apr 28, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003877549
Date	Apr 19, 2021
Instrument	3877549

Lender

Name	BETTER MORTGAGE CORPORATION
Type	Mortgage Company
Address	NEW YORK, NY 10007

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	May 1, 2036

October 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 30, 2020
Property Address	470 S 39TH ST, BOULDER, CO 80305-5414
Document Number	0003829089
Instrument Date	Sep 18, 2020
Instrument	3829089
Transaction Type	Transfer
Record Updated	Nov 24, 2020
Title Company	LAND TITLE GUARANTEE

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	719 MISSISSIPPI AVE LAKELAND FL 338015518, LAKELAND, FL 33801-5518

December 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	470 S 39TH ST, BOULDER, CO 80305-5414
Document Number	0003757139
Instrument Date	Dec 20, 2019
Transaction Type	Mortgage
Record Updated	Jan 10, 2020
Title Company	WFG NATIONAL TITLE INSURANCE, WFG NAT'L TITLE INS

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	470 S 39TH ST BOULDER CO 803055414, BOULDER, CO 80305-5414

Mortgage

Document Number	0003757139
Date	Dec 26, 2019
Instrument	3757139

Lender

Name	ELEVATIONS CU
Address	BOULDER, CO 80301

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	240 Months
Due	Dec 25, 2039

August 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Aug 18, 2017
Property Address	470 S 39TH ST, BOULDER, CO 80305-5414
Document Number	0003609959
Instrument Date	Aug 18, 2017
Instrument	3609959
Transaction Type	Transfer
Record Updated	Aug 29, 2017
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$64.00
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	470 S 39TH ST BOULDER CO 803055414, BOULDER, CO 80305-5414

Mortgage

Document Number	3609960
Date	Aug 18, 2017
Instrument	3609960

Lender

Name	ELEVATIONS CU
Address	BOULDER, CO 80301

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Aug 17, 2047

Mortgage

Document Number	3609961,
Date	Aug 18, 2017
Instrument	3609961

Lender

Name	ELEVATIONS CU
Address	BOULDER, CO 80301

Agreement

Amount	Amount Recorded
Term	240 Months
Due	Aug 17, 2037

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 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		$57,222 (+0.44%) Land $27,853 Building $29,369	$911,500 (-) Land $479,600 Building $431,900
2025	$5,512.00 (+1.62%)	$56,969 (-13.19%) Land $29,975 Building $26,994	$911,500 (-6.94%) Land $479,600 Building $431,900
2023	$5,424.00 (+11.38%)	$65,626 (+27.09%) Land $35,329 Building $30,297	$979,500 (+31.83%) Land $527,300 Building $452,200
2022	$4,870.00	$51,639 Land $26,313 Building $25,326	$743,000 Land $378,600 Building $364,400

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
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	6 in force
Nearby Flood Claims	7 (1979–2022)
Claims Outside the SFHA	5 of 7
Most Recent Claim	Jul 2022 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 5 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

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 678 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
CenturyLink Fiber · DSL in parts of the area	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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