4290 Darley Ave, Boulder, CO 80305 Property Records

Boulder County property record for 4290 Darley Ave, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,566 sqft · built 1961
Lot Size	0.201 acres (8,747 sqft)
Owner	Individual Name on File
Last Sale	$470,000 (Jun 2015)
Tax Bill	$4,780 (2025)
Deeds & Mortgages	May 2020 Mortgage Jul 2020 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1577-08-1-24-002`

Property Details

APN / Parcel Number

Primary APN	`1577-08-1-24-002`
Alternative APNs	`R0011124` `0011124`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,566 sqft Living Area
Gross Area	2,349 sqft
1st Floor Area	1,026 sqft
Basement Area	1,026 sqft
Finished Basement	540 sqft
Unfinished Basement	486 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1961
Effective Year Built	Effective 1961
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Lot Area	8,747 sqft (0.201 acres)
Garage Type	Attached
Garage Area	297 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0011124
Street Address	4290 DARLEY AVE
City	BOULDER
State	CO
Zip	80305-6026
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 2 BLK 2 MAJESTIC HEIGHTS
Legal Range	70
Legal Township	1S
Legal Section	08
Legal Subdivision	MAJESTIC HEIGHTS - BO
Legal Block	2
Legal Lot Number	2
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1006
Census Tract	12508

Owner

4290 Darley Ave is owned and occupied by an individual who bought it in June 2015.

Source: Boulder County records, as of September 18, 2026

Owner of Record	Individual Name on File
Mailing Address	4290 DARLEY AVE, BOULDER, CO 80305-6026
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
May 20, 2020	Deed of Trust, Mortgage · Conventional Mortgage DSW MORTGAGE INC
Jul 6, 2020	Deed of Trust, Mortgage · Line of Credit TCF NATIONAL BANK
Sep 14, 2017	Deed of Trust, Mortgage · Line of Credit ELEVATIONS CU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 17, 2015 · Amount on File
Deed Sale	Jun 17, 2015 · Amount on File
Prior Sale	Oct 28, 1994 · Amount on File
Deed Document Number	20153453411
Record Updated	Oct 29, 2026

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4290 DARLEY AVE, BOULDER, CO 80305-6026
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	ASCENDANT TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003785458
Date	May 20, 2020
Instrument	3785458

Lender

Name	DSW MORTGAGE INC
Type	Mortgage Company
Address	BOULDER, CO 80302

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2050

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4290 DARLEY AVE, BOULDER, CO 80305-6026
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003796071
Date	Jul 6, 2020
Instrument	3796071

Lender

Name	TCF NATIONAL BANK
Type	Bank
Address	SIOUX FALLS, SD 57106

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Jul 23, 2050

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

September 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4290 DARLEY AVE, BOULDER, CO 80305-6026
Document Number	0003615437
Instrument Date	Sep 14, 2017
Transaction Type	Mortgage
Record Updated	Sep 27, 2017

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4290 DARLEY AVE BOULDER CO 803056026, BOULDER, CO 80305-6026

Mortgage

Document Number	0003615437
Date	Sep 19, 2017
Instrument	3615437

Lender

Name	ELEVATIONS CU
Address	BOULDER, CO 80301

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	240 Months
Due	Sep 18, 2037

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 4290 Darley Ave was $4,780.

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		$49,790 (-0.69%) Land $31,015 Building $18,775	$802,200 (-) Land $526,100 Building $276,100
2025	$4,780.00	$50,137 Land $32,881 Building $17,256	$802,200 Land $526,100 Building $276,100
2023	$4,703.00 (+12.24%)	$57,285 (+29.25%) Land $38,853 Building $18,432	$855,000 (+34.08%) Land $579,900 Building $275,100
2022	$4,190.00	$44,320 Land $28,926 Building $15,394	$637,700 Land $416,200 Building $221,500

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

FEMA maps place 4290 Darley Ave in Zone X, an area of minimal flood risk.

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	1 in force

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

Wildfire risk around 4290 Darley Ave is moderate, ranking above 45% of the US, with a 0.09% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 45% of the US · lower than 72% of Colorado
Wildfire Likelihood	0.09% 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 604 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	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100

May also be available: AT&T, T-Mobile.

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