4005 Darley Ave, Boulder, CO 80305 Property Records

Boulder County property record for 4005 Darley Ave, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	5 bd · 1.75 ba · 1,746 sqft · built 1962
Lot Size	0.163 acres (7,086 sqft)
Owner	Individual Name on Record
Last Sale	$796,450 (Jun 2020)
Tax Bill	$6,763 (2025)
Deeds & Mortgages	Nov 2020 Mortgage Jun 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1577-08-1-15-021`

Property Details

APN / Parcel Number

Primary APN	`1577-08-1-15-021`
Alternative APNs	`R0013527` `0013527`

Interior

Bedrooms	5 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,746 sqft Living Area
Gross Area	2,450 sqft
1st Floor Area	1,075 sqft
Basement Area	1,075 sqft
Finished Basement	671 sqft
Unfinished Basement	404 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1962
Effective Year Built	Effective 1990
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	7,086 sqft (0.163 acres)
Garage Type	Attached
Garage Area	300 sqft
Parking Spaces	1 Parking Space
Porch	Porch
Porch Area	114 sqft
Patio Area	180 sqft

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0013527
Street Address	4005 DARLEY AVE
City	BOULDER
State	CO
Zip	80305-6520
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 21 BLK 5 MOUNTAIN TERRACE
Legal Range	70
Legal Township	1S
Legal Section	08
Legal Subdivision	MOUNTAIN TERRACE - BO
Legal Block	5
Legal Lot Number	21
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1011
Census Tract	12509

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	Individual Name on Record
Mailing Address	4005 DARLEY AVE, BOULDER, CO 80305-6520
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Nov 17, 2020	Deed of Trust, Mortgage · Conventional Mortgage BETTER MTG CORP ISAOA
Jun 1, 2020	Warranty Deed, Transfer · Conventional Mortgage ELEVATIONS CU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 1, 2020 · Amount on Record
Deed Sale	Jun 1, 2020 · Amount on Record
Prior Sale	Apr 13, 2011 · Amount on Record
Deed Document Number	20203787640
Prior Transfer Date	May 6, 1996
Prior Transfer Doc	0001608437
Record Updated	Oct 29, 2026

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4005 DARLEY AVE, BOULDER, CO 80305-6520
Document Number	0003835885
Instrument Date	Nov 17, 2020
Transaction Type	Mortgage
Record Updated	Dec 23, 2020
Title Company	LAND TITLE GUARANTEE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4005 DARLEY AVE BOULDER CO 803056520, BOULDER, CO 80305-6520

Mortgage

Document Number	0003835885
Date	Nov 23, 2020
Instrument	3835885

Lender

Name	BETTER MTG CORP ISAOA
Address	NEW YORK, NY 10271

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Nov 22, 2050

June 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jun 1, 2020
Property Address	4005 DARLEY AVE, BOULDER, CO 80305-6520
Document Number	0003787640
Instrument Date	May 29, 2020
Instrument	3787640
Transaction Type	Transfer
Record Updated	Jul 10, 2020
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$80.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Sole Owner
Address	4005 DARLEY AVE BOULDER CO 803056520, BOULDER, CO 80305-6520

Mortgage

Document Number	3787641
Date	Jun 1, 2020
Instrument	3787641

Lender

Name	ELEVATIONS CU
Address	BOULDER, CO 80301

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 31, 2050

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		$72,420 (+2.09%) Land $53,842 Building $18,578	$1,135,000 (-) Land $861,800 Building $273,200
2025	$6,763.00 (+23.82%)	$70,938 (+5.97%) Land $53,863 Building $17,075	$1,135,000 (+13.6%) Land $861,800 Building $273,200
2023	$5,462.00 (+5.87%)	$66,940 (+20.47%) Land $40,167 Building $26,773	$999,100 (+24.97%) Land $599,500 Building $399,600
2022	$5,159.00	$55,565 Land $45,467 Building $10,098	$799,500 Land $654,200 Building $145,300

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	7 in force
Nearby Flood Claims	1 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Feb 1998 · tidal / storm surge

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	0.03% 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 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.

Nearby Properties on Darley Ave

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures