440 Arapahoe Ave, Boulder, CO 80302 Property Records

Boulder County property record for 440 Arapahoe Ave, Boulder, CO 80302

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 1,916 sqft · built 1896
Lot Size	0.249 acres (10,864 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,450,000 (Nov 2021)
Tax Bill	$15,095 (2025)
Deeds & Mortgages	Nov 2021 Sale & Mortgage Nov 2019 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1461-36-1-03-015`

Property Details

APN / Parcel Number

Primary APN	`1461-36-1-03-015`
Alternative APNs	`R0005724` `0005724`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	2 Half Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,916 sqft Living Area
1st Floor Area	1,132 sqft
Upper Floors Area	177 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1896
Effective Year Built	Effective 2010
Architectural Style	Multi-Level
Exterior Material	Combination
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	10,864 sqft (0.249 acres)
Garage Type	Detached
Garage Area	506 sqft
Porch	Porch
Porch Area	144 sqft
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0005724
Street Address	440 ARAPAHOE AVE
City	BOULDER
State	CO
Zip	80302-5825
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	E 55 FT OF N 1/2 LOT 4 BLK C HIGHLAND LAWN
Legal Range	71
Legal Township	1N
Legal Section	36
Legal Subdivision	HIGHLAND LAWN - BO
Legal Block	C
Legal Lot Number	4
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2004
Census Tract	12201

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	440 ARAPAHOE AVE, BOULDER, CO 80302-5825
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Nov 1, 2021	Warranty Deed, Transfer · Conventional Mortgage GUARANTEED RATE AFFINITY LLC
Nov 25, 2019	Grant Deed, Transfer LAND TITLE GUARANTEE
Sep 25, 2019	Quit Claim Deed, Transfer · Conventional Mortgage DSW MORTGAGE INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 1, 2021 · Amount on Record
Deed Sale	Nov 1, 2021 · Amount on Record
Prior Sale	Nov 25, 2019 · Amount on Record
Deed Document Number	20213925061
Prior Transfer Date	Sep 19, 2019
Prior Transfer Doc	0003738412
Record Updated	Oct 29, 2026

November 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Nov 1, 2021
Property Address	440 ARAPAHOE AVE, BOULDER, CO 80302-5825
Document Number	0003925061
Instrument Date	Nov 1, 2021
Instrument	3925061
Transaction Type	Transfer
Record Updated	Nov 19, 2021
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$245.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	440 ARAPAHOE AVE, 440, BOULDER, CO 80302-5825

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	440 ARAPAHOE AVE, BOULDER, CO 80302-5825

Mortgage

Document Number	0003925062
Date	Nov 1, 2021
Instrument	3925062

Lender

Name	GUARANTEED RATE AFFINITY LLC
Type	Mortgage Company

Agreement

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

November 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Nov 25, 2019
Property Address	440 ARAPAHOE AVE, BOULDER, CO 80302-5825
Document Number	0003750988
Instrument Date	Nov 22, 2019
Instrument	3750988
Transaction Type	Transfer
Record Updated	Dec 6, 2019
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount Recorded
Tax	$191.50
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	440 ARAPAHOE AVE BOULDER CO 803025825, BOULDER, CO 80302-5825

September 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Sep 25, 2019
Property Address	440 ARAPAHOE AVE, BOULDER, CO 80302-5825
Document Number	0003738412
Instrument Date	Sep 19, 2019
Instrument	3738412
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	LAND TITLE GUARANTEE

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	440 ARAPAHOE AVE, BOULDER, CO 80302-5825

Mortgage

Document Number	0003738414
Date	Sep 25, 2019
Instrument	3738414

Lender

Name	DSW MORTGAGE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded

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		$167,484 (+5.79%) Land $89,332 Building $78,152	$2,533,000 (-) Land $1,383,700 Building $1,149,300
2025	$15,095.00 (+6.99%)	$158,312 (-5.24%) Land $86,481 Building $71,831	$2,533,000 (+1.58%) Land $1,383,700 Building $1,149,300
2023	$14,109.00 (+9.3%)	$167,065 (+20.19%) Land $91,837 Building $75,228	$2,493,500 (+24.68%) Land $1,370,700 Building $1,122,800
2022	$12,908.00	$139,000 Land $74,546 Building $64,454	$2,000,000 Land $1,072,600 Building $927,400

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
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 26 individual policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	41 units insured incl. 15 condo units
Nearby Flood Claims	19 (1983–2014)
Claims Outside the SFHA	7 of 19
Most Recent Claim	Jul 2014 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 14 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	High above 77% of the US · above 77% of Colorado
Wildfire Likelihood	0.4% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 331 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
T-Mobile Fixed Wireless	100 / 20

May also be available: CenturyLink, Verizon.

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