325 S 40th St, Boulder, CO 80305 Property Records

Boulder County property record for 325 S 40th St, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.75 ba · 2,184 sqft · built 1956
Lot Size	0.159 acres (6,916 sqft)
Owner	Individual Name on Record
Last Sale	$340,000 (Sep 2005)
Tax Bill	$5,177 (2025)
Deeds & Mortgages	Dec 2022 Line of Credit Aug 2022 Line of Credit + 3 more
Flood Zone	Zone X (minimal risk)
APN	`1577-05-4-22-036`

Property Details

APN / Parcel Number

Primary APN	`1577-05-4-22-036`
Alternative APNs	`R0011237` `0011237`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,184 sqft Living Area
Gross Area	2,544 sqft
1st Floor Area	1,152 sqft
Basement Area	1,152 sqft
Finished Basement	1,032 sqft
Unfinished Basement	120 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1980
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	6,916 sqft (0.159 acres)
Garage Type	Attached
Garage Area	240 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0011237
Street Address	325 S 40TH ST
City	BOULDER
State	CO
Zip	80305-5417
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 36 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	36
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	Individual Name on Record
Mailing Address	325 S 40TH ST, BOULDER, CO 80305-5417
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Dec 15, 2022	Deed of Trust, Mortgage · Line of Credit ENT CU
Aug 18, 2022	Deed of Trust, Mortgage · Line of Credit ENT CU
Jan 18, 2022	Quit Claim Deed, Transfer · Conventional Mortgage CALIBER HOME LOANS INC
May 11, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage CALIBER HOME LOANS INC
Feb 6, 2020	Deed of Trust, Mortgage · Commercial Mortgage FIRST NATIONAL BANK OF OMAHA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 1, 2005 · Amount on Record
Deed Sale	Sep 1, 2005 · Amount on Record
Prior Sale	Apr 28, 1992 · Amount on Record
Deed Document Number	20052718598
Last Transfer Date	Jan 10, 2022
Transfer Doc	0003940407
Record Updated	Oct 29, 2026

December 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	325 S 40TH ST, BOULDER, CO 80305-5417
Transaction Type	Mortgage
Record Updated	Dec 21, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003992102
Date	Dec 15, 2022
Instrument	3992102

Lender

Name	ENT CU
Type	Credit Union

Agreement

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

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

August 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	325 S 40TH ST, BOULDER, CO 80305-5417
Transaction Type	Mortgage
Record Updated	Aug 31, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003977484
Date	Aug 18, 2022
Instrument	3977484

Lender

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

Agreement

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

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

January 2022: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Jan 18, 2022
Property Address	325 S 40TH ST, BOULDER, CO 80305-5417
Document Number	0003940407
Instrument Date	Jan 10, 2022
Instrument	3940407
Transaction Type	Transfer
Record Updated	Feb 3, 2022
Title Company	HOMESTEAD TITLE AND ESCROW, HOMESTEAD TITLE & ESCROW

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	325 S 40TH ST, BOULDER, CO 80305-5417

Mortgage

Document Number	0003940408
Date	Jan 18, 2022
Instrument	3940408

Lender

Name	CALIBER HOME LOANS INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2052

May 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	May 11, 2021
Property Address	325 S 40TH ST, BOULDER, CO 80305-5417
Document Number	0003884229
Instrument Date	May 6, 2021
Instrument	3884229
Transaction Type	Transfer
Record Updated	May 26, 2021
Title Company	HOMESTEAD TITLE AND ESCROW, HOMESTEAD TITLE & ESCROW

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	325 S 40TH ST, BOULDER, CO 80305-5417

Mortgage

Document Number	0003884230
Date	May 11, 2021
Instrument	3884230

Lender

Name	CALIBER HOME LOANS INC
Type	Mortgage Company

Agreement

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

February 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	325 S 40TH ST, BOULDER, CO 80305-5417
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003764707
Date	Feb 6, 2020
Instrument	3764707

Lender

Name	FIRST NATIONAL BANK OF OMAHA
Type	Bank
Address	OMAHA, NE 68197

Agreement

Type	Commercial 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		$54,318 (+0.03%) Land $32,551 Building $21,767	$868,800 (-) Land $548,700 Building $320,100
2025	$5,177.00 (+2.33%)	$54,300 (-12.81%) Land $34,294 Building $20,006	$868,800 (-6.53%) Land $548,700 Building $320,100
2023	$5,059.00 (+12.42%)	$62,277 (+28.5%) Land $40,187 Building $22,090	$929,500 (+33.3%) Land $599,800 Building $329,700
2022	$4,500.00	$48,463 Land $29,809 Building $18,654	$697,300 Land $428,900 Building $268,400

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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